Computer Awareness 4000 MCQ (PDF)

HARDWARE 14. A daisy wheel is a type of...? (1) None of these (2) Storage device 1. Where would you find the letters QUERTY?...

HARDWARE 14. A daisy wheel is a type of...? (1) None of these (2) Storage device 1. Where would you find the letters QUERTY? (3) Pointing device (1) Mouse (2) Screen (4) All of the above (3) Numeric Keypad (4) Keyboard (5) Printer (5) None of these 15. Factory production lines can be automated using...? (1) Machine tools U pal Ranga 2. How did the computer mouse get its name? (1) It's cable looks like a tail (2) VDUs (2) Because it squeaks when moved (3) Plotters (3) It has ears (4) All of the above (4) Teeth outside mouth (5) None of these (5) None of these 16. An impact printer creates characters by using...? 3. What are you most likely to use when playing (1) An inked ribbon and print head (1) Touch screen a computer game? (2) Electrically charged ink (2) Light pen (3) notepad (3) An ink pen (4) Joystick (5) None of these (4) All of the above 4. A digitising tablet can be used for? (5) None of these (1) Tracing diagrams 17. What would you NOT use with a flatbed plotter? (2) Printing letters (1) A pen (2) Eraser (3) Reading barcodes (3) Paper (4) All of the above (4) Playing (5) None of these (5) None of these 18. What would be the best way to move around a 3D 5. Which of the following is a pointing device environment? (1) Hard disk. (1) Electrostatic plotters (2) None of these (2) CD-ROM drive (3) Thermal printers (4) All of the above (3) Touch screen used for computer input. (5) Robots (4) RAM 19. What do you need for an ink jet printer? (5) None of these (1) A drum (2) A cartridge 6. What does a light pen contain? (3) A ribbon (4) All of the above (1) Refillableink (2) Light sensitive elements (5) None of these (3) Pencil lead (4) Blue Ink 20. A laser printer does NOT use? (5) None of these (1) A photoconductive drum 7. What would be the best way to move around a 3D (2) A print head environment? (3) A laser beam (1) Use a tracker ball (2) Use a keyboard. (4) All of the above (3) Use a space mouse (4) Use Joystick (5) None of these (5) None of these 21. The amount of data that a disk may containis known as 8. What input device can be used for marking the disk's...? (1) Optical mark reader (1) Volume (2) Size (2) Bar code reader (3) All of the above (3) Mouse a multiple choice test? (4) Storage capacity (5) None of these (4) All of the above 22. You can protect a floppy disk. (5) None of these (1) Read (2) Read and Write 9. What input device could tell you the price of (3) Write (4) All of the above (1) Mouse a bar of chocolate? (5) None of these (2) All of the above 23. Information on a hard disk is usually backed-up using (3) Optical mark reader a..? (4) Bar code reader (1) CD-ROM (2) Magnetic tape (5) None of these (3) Floppy disk (4) All of the above 10. Where would you find a magnetic strip? (5) None of these (1) Speakers (2) Credit card 24. Magnetic storage devices can represent binary 0 by the (3) Smart card (4) All of the above absence of...? (5) None of these (1) A magnetic field 11. Hard copy is a term used to describe...? (2) Magnetic tape (1) Printed output (3) Static electricity (2) Writing on a hard board (4) All of the above (3) Storing information on the hard disk (5) None of these (4) All of the above 25. Magnetic tape is a..? (5) None of these (1) Random access medium 12. What do the abbreviations VAB stand for? (2) A parallel access medium (1) Voice activated broadcasting (3) Serial access medium (2) Visual audio board (4) All of the above (3) Voice answer back (5) None of these (4) All of the above 26. Hard disks can have a storage capacity in the region (5) None of these of...? 13. What are the individual dots which make up a picture on (1) 1Gb (2) 1.44Mb (3) 720K the monitor screen called? (4) All of the above (5) None of these (1) Coloured spots 27. Formatting a disk results in all the data being...? (2) All of the above (1) Saved to the disk (3) Pixies (2) Copied from the disk (4) Pixels (3) Deleted from the disk (5) None of these (4) All of the above (5) None of these https://sscstudy.com 28. Which storage device has the largest capacity in Mb's? 40. What type of computer chips are said to be volatile? (1) A floppy disk (1) ROM chips (2) RAM chips (2) A CD-ROM (3) DRAM (4) All of the above (3) Magnetic tape storage (5) None of these - (4) All of the above 41. An example of an embedded system is...? (5) None of these (1) A CD-ROM (2) A machine tool 29. Which storage device cannot be erased? (3) A calculator (4) All of the above (1) A CD-ROM (5) None of these U pal Ranga (2) None of these 42. Which computers use single chip processors? (3) Magnetic tape storage (1) All of the above (4) All of the above- (2) Parallel computers (5) A floppy disk (3) Cray computers 30. Where should floppy disks be stored? (4) Personal computers (1) By a sunny window (5) /tone of these (2) In a drawer 43. Travel agents use this computer system when reserving (3) All of the above flights. (4) By magnet objects (1) Supercomputer (5) None of these (2) Mainframe computer 31. Who is accredited with developing the architecture of the (3) Personal computer modern computer? (4) All of the above (1) Sir Clive Sinclair (5) None of these (2) Bill Gates 44. Which computers are used in the weather forecasting (3) All of the above industry? (4) None of these (1) Super computers (5) John Von Neumann (2) Notebook computers 32. Which bus carries information between processors (3) Jon Von Neumann computers and peripherals? (4) All of the above (1) Autobus (2) Data bus (5) None of these (3) Address bus (4) All of the above 45. Which computers are connected to many terminals and (5) None of these can multitask? 33. Which bus controls the sequencing of read/write (1) Minicomputers operations? (2) LEO 1 computers (1) Control bus (2) Address bus (3) All of the above (3) Data bus (4) All of the above (4) None of these (5) None of these (5) Personal computers running MS-DOS 34. The contents of these chips are lost when the computer 46. Vacuum tube based electronic computers are...? is switched off? (1) Second generation (1) RAM chips (2) Hoover generation (2) ROM chips (3) First generation (3) DRAM chips (4) All of the above (4) All of the above (5) None of these (5) None of these 47. Which generation of computer was developed from 35. What are responsible for storing permanent data and microchips? instructions? (1) Third generation (1) RAM chips (2) Second generation (2) All of the above (3) Fourth generation (3) DRAM chips (4) All of the above (4) ROM chips (5) None of these (5) None of these 48. Which generation of computer uses more than one 36. Which parts of the computer perform arithmetic microprocessor? calculations? (1) Second generation (1) Registers (2) ALU (2) Third generation (3) Logic bus (3) None of these (4) All of the above (4) All of the above (5) None of these (5) Fifth generation 37. What are small high speed memory units used for 49. Which generation of computer developed using storing temporary results? integrated circuits? (1) All of the above (1) Second generation (2) Registers (2) Fifth generation (3) Control unit (3) Thirtl generation (4) CPUs (4) All of the above (5) None of these (5) None of these 38. What maintains the status of the last operation carried 50. Which of these is actually a very basic computer? out by the ALU? (1) a toaster (2) a stove (1) Instruction pointer. (3) a light bulb (4) a calculator (2) Status register (5) None of these (3) Accumulator 51. Imagine that a user has a WORD document open at a (4) All of the above workstation and that workstation is unexpectedly (5) None of these disconnected from the school network and from the Internet. 39. How many bits of information can each memory cell in a Where should the user BEST save her work? computer chip hold? (1) USB key (2) P drive (1) 8 bits (2) 1 bit (3) None of these (3) Obits (4) All of the above (4) S drive (5) H drive (5) None of these https://sscstudy.com 52. Computer memory that temporarily stores information is 67. If a computer is constantly rebooting itself, what is most called the ____. commonly the problem? (1) RAM (2) CPU (1) Insufficient Power-Supply Unit (3) ROM (4) IBM (2) Bad Sectors on Hard Drive (5) None of these (3) Processor Overheating 53. The brain of the computer is called the _____. (4) Defective/Bad Memory (1) IBM (2) ROM (5) None of these (3) RAM (4) CPU 68. What does the company name 'AMD' stand for? U pal Ranga (5) None of these (1) Always Making Dough 54. The operating system is also called the ______ between (2) Advanced Micro Devices the user and the computer. (3) Alternating Micron Deficiencies (1) interrelate (4) A Mad Device (2) interface (5) None of these (3) interference 69. How many pins does Ethernet use in the RJ-45 (4) intermediate Connection? (5) None of these (1) 3 (2) 2 55. When installing a peripheral you also usually need to (3) 6 (4) 4 install a _____. (5) None of these (1) port (2) server 70. What does SSE stand for in Intel's SSE Technology? (3) driver (4) password (1) Sophisticated Software Enhancer (5) None of these (2) Streaming Simmd Extensions 56. Computers use which of the following number systems (3) Some Stupid Enhancer to store information? (4) Simplistic Software Extensions (1) base 4 (2) base 2 (5) None of these (3) base8 (4) base 10 73. Which does NOT belong to a Intel Pentium 4 Platform? (5) None of these (1) DDRSDRAM 57. A single binary digit is known as (2) EDO/Fast-Page Ram (1) MB (2) byte (3) SDRAM (3) KB (4) bit (4) Rambuss (5) None of these (5) None of these 58. Internet Safety relates to__________. 75. What Video Card is Best Suited for 3D Games? (1) only those who buy products online (1) ATI 3D Charger (2) only those who sign up for chat rooms (2) nVidia GeForce 256 DDR (3) only those who do their banking online (3) ATI Radeon 9700 Pro (4) everyone who uses a computer that can conned to the (4) 3DFX VooDoo 5 Internet (5) None of these (5) None of these 76. What platform does the AMD K6 3+ Processor Belong to? 59. A file name extension for Word 2007 files is ___. (1) Sockets (2) Socket7 (1).gif (2).txt (3) Slot A (4) Slotl (3).docx (4).exe (5) None of these (5) None of these 77. What platform can the VIA/Cyri III Processor Be used in 60. A KB represents____bytes jut c the following? (1) 8 (1) Slot 1 (2) Socket A (2) 1,000,000,000 (3) Slot A (4) Socket 7 (3) 1,000,000 (5) None of these (4) 1,000 (5) None of these 78. What motherboard manufacturer is the most popular 61. How many Bytes in a Megabyte (MB)? out of the following? (1) 1,000,000 (1) Abit (2) AOpen (2) 1,024,000 (3) IWill (4) Asus (3) 1,048,576 (5) None of these (4) 1,000,024 (5) None of these 79. What is the BEST ram solution for the Intel Pentium 62. Which QBasic statement is W'-'rnost evil? 4 Processor? (1) PRINT (1) SDRAM (2) LOCATE (2) DDR SDRAM (3) GOTO (3) EDO/Fast Page Ram (4) RANDOMIZE (4) Rambuss (5) None of these (5) None of these 63. What does ALU stand for? 80. How did the SHIFT key get it's name? (1) Arithmetic Logic Unit (1) From the Latin word for large, Shiftius, which v as the (2) Asymmetrical Localizing Unit first language ever used on acomouter. (3) Because his legs are in the way (2) Because it shifts the ASC11 table by a value of 32. (4) Awfully Long-winded Unionist (3) It was a carry-over from typewriters which had both (5) None of these upper and lower case letters on each print head and used a 64. How many pins on a standard DDR RAM Dimm? mechanical shifting of the print head to differentiate. (1) 64 (2) 256 (4) (Bad pun alert!) (3) 168 (4) 184 ' Because the Capitol is full of shifty characters. (5) None of these (5) None of these 65. Which Platform(s) can a Pentium III Processor beused in? 81. If an 8-bit integer has a maximum of 256 possible (1) Socket 370 / Socket mPGA 370 / Slot 1 values, what is the highest possible value of a 16 bit integer? (2) Socket 462 / Slot A /Socket 8 (1) 512 (2) 257 (3) Socket 5 / Socket 7 /Socket 3 (3) 65536 (4) 65535 (4) Slotl/Slot A/Socket A (5) None of these (5) None of these https://sscstudy.com 32. What does BASIC stand for? 94. Information retrieval is faster from (1) Basically, it's just your basic computer language, so (1) Floppy disk (2) Hard disk they named it BASIC. (3) Magnetic tape (2) Beginner's All-purpose Symbolic Instruction Code (4) All of the above (3) Binary Analysis System Interpretation Commandset (5) None of these (4) Byte Arranging Software for Improved Coding 95. Operating system is (5) None of these (1) A collection of software routines 83. What does ASCII stand for? ' (2) A collection of input-output devices U pal Ranga (1) Array of Simple Character Iteration Indices (3) A collection of hardware components (2) Another Stupid Character Identification Idea (4) All of the above (3) Alternate Source Code Image Improvement (5) None of these (4) None of these 96. Operating system (5) American Standard Code for Information Interchange (1) Provides a layered, user-friendly interface. 84. The access method used for magnetic tape is_____ (2) Link a program with the subroutines it references (1) Direct (3) Enables a programmer to draw a flowchart (2) Random (4) All of the above (3) All of the above (5) None of these (4)Sequential 97. Execution of two or more programs by a single CPU is (5) None of these known as: 85. By.Processing we understand ____ (1) Multiprocessing (1) String manipulation only (2) Time sharing (2) None of the above (3) Multiprogramming (3) Processing string of only words (4) None of these (4) Processing string of numbers and special symbols (5) All of these (5) None of these 98. Modem stands for 86. The difference between memory and storage is that the (1) A type of secondary memory memory is ___ and storage is ____ (2) Mainframe operating device memory (1) Slow, fast (3) Modulator demodulator (2) Temporary, permanent (4) All of the above (3) Permanent, temporary (5) None of these (4) All of the above 99. Typical data transfer rate in LAN are of the order of (5) None of these (1) Kilo bits per sec 87. Which of the Following holds the ROM, CPU, RAM and (2) Bits per sec expansion cards " (3) Mega bits per sec (1) Hard disk (2) Floppy disk (4) All of the above (3) All of the above (5) None of these (4) Mother board 100. Ethernet uses (5) None of these (1) Ring topology (88) The language that the computer can understand and (2) Bus topology execute is called ____ (3) Mesh topology (1) System program (2) Application software (4) All of the above (3) Machine language (4) All of the above (5) None of these (5) None of these 101. Wide area networks (WANs) always require 89. Which of the following devices can be used to directly (1) None of these input printed text (2) High speed processors (1) MICR (2) OMR (3) Same type (3) OCR (4) All of the above (4) All of the above (5) High bandwidth communication source link (5) None of these 102. Typical bandwidth of optical fibers is 90. A floppy disk contains (1) Order of GHz (1) Circular tracks only (2) Order of KHz (2) Both circular tracks and sectors (3) Order of Hz (3) Sectors only (4) None of these (4) All of the above (5) All of the above (5) None of these 103. A large number of computers in a wide geographical 91. CD-ROM is a area can be efficiently connected by (1) Semiconductor memory (1) Twisted pair lines (2) None of these (2) Coaxial cables (3) Magnetic memory (3) All of the above (4) All of the above (4) None of these (5) Memory register (5) Communications satellites 92. Actual execution of instructions in a computer takes 104. Which of the following topologies is not of broadcast type? place in , (1) Star (1) Control Unit (2) None of these (2) ALU (3) Ring (3) Storage unit (4) All of the above (4) All of the above (5) Bus (5) None of these 105. Bug means 93. Which of the following is used as a primary storage (1) A difficult syntax error in a program device (2) Documenting programs using an efficient Docu- (1) Magnetic tape (2) PROM mentation too (3) Floppy disk (3) A logical error in a program (4) None of these (4) All of the above (5) All of the above (5) None of these https://sscstudy.com 106.The part of machine level instruction, which tells the 117. Example of non-numerical data is central processor what was to be Done is (1) All of the above (1) Operation code (2) Examination score (2) Address (3) Bank balance (3) All of the above (4) Employee address (4) Operand (5) None of these (5) None of these 118. One thousand byte; opresenta 107. Indicate which , of the following is not true about 4GL. (1) Megabyte U pal Ranga (1) Many database management system packages support (2) Gigabyte 4GLs (3) None of these (2) 4GL does not support a high -level of screen interaction (4) All of the above (3) A 4GL is a software tool which is written, possibly, in (5) Kilobyte some third generation language 119. The language that the computer. can understand and (4) All of the above execute is called (5) None of these (1) Application software 108. Indicate which of the following, best describes the term (2) Machine language "software" (3) System program (1) Systems programs only (4) All of the above (2) Application programs only (5) None of these (3) All of the above 120. A step by step procedure used to solve a problem is (4) Both (1) and (2) called (5) None of these (1) Operating system 109. A translator is best described as (2) None of these (1) A hardware component (3) Application Program (2) A system software (4) All of the above (3) An Application software (5) Algorithm (4) All of the above 121. Which of the following holds the ROM, CPU, RAM and (5) None of these expansion cards 110. Indicate which of the following is not true about an (1 ) Mother board interpreter (2) Cache memory (1) Interpreter analyses each source statement every (3) Hard disk time it is to be executed (4) All of the above (2) Interpreter is a kind of translator (5) None of these (3) Interpreter generates an object program from the 122. The errors that can be pointed out by the compiler are source program (1) Logical errors (4) All of the above (2) Semantic errors (5) None of these (3) Syntax errors 111. The errors that can be pointed out by the compiler are (4) All of the above 5) None of these (1) All of the above 123. A computer cannot "boot" if it does not have the (2) Semantic errors (1) Compiler (2) Loader (3) Logical errors (3) None of these (4) Syntax errors (4) Assembler (5) None of these (5) Operating system 112. C is 124. WAN hardware includes (1) An assembly language (1) EOF (2) A machine language (2) Bridger and modems (3) A third generation high level language (3) Multiplexors and routers (4) All of the above (4) All of above (5) None of these (5) None of these 113. A graph preapared by a computer 125.Third generation computers (1) is its output (1) Were the first to use built-in error detecting device (2) None of these (2) Used transistors instead of vaccum tubes (3) is a hard copy (3) Were the first to use neural network (4) all of the above (4) None of these (5) All of the above (5) is the piece of information to use 126. A Winchester disk is a 114. Which of the following does not represent on I/O device (1) None of these (1) speaker which beeps (2) Removable disk (2) ALU (3) Flexible disk (3) plotter (4) All of the above (4) joystick (5) Disk stack (5) None of these 127. A computer can be defined as an electronic device that 115. The communication line between the CPU, memory can be(choose the most precise definition): and peripherals is called a (1) carry out arithmetical operation (1) all of these (2) line (2) accept and process data using a set of stored instructions (3) media (4) Bus (3) carry out logical function (5) None of these (4) present information on.a VDU 116. Memories which can be read only are called.............. (5) None of these memories 128. The Central Processing Unit: (1) ROM (2) RAM (1) is operated from the control panel. (3) PROM (4) EPROM (2) is controlled by the input data entering the system (5) None of these (3) controls all input, output and processing. (4) controls the auxiliary storage unit (5) None of these https://sscstudy.com 129.Computer follows a simple principle called GIGO which 141.Which of the following is a computercode means: (1) EPROM (2) JAVA (1) garbage in garbage out (3) All of the above (2) garbage input good output (4) EBCDIC (3) great instructions great output (5) None of these (4) good input good output. 142. Data is generally coded in 8-bit units, such a unit is also (5) None of these called 130. The term 'baud' is a measure of the: (1) k (2) byte U pal Ranga (1) memory capacity (3) field (4) Word (2) speed at which data travels over the communication line (5) None of these (3) instruction execution time 143. Half adder is logic CKT that adds..........Digit at a time (4) all of the above (1) three (2) one (5) None of these (3) Two (4) zero 131. A bootstrap is: (5) None of these (1) a memory device 147. In 1st Complement a number which is Subtracted from (2) a device to support the computer other number is known as.......... (3) an error correction technique (1) Carry (4) a small initialisation program to start up a computer (2) subtrahend (5) None of these (3) All of this 132.Which of the following is not hardware: (4) minuend (1) Magnetic tape (5) None of these (2) Printer 148. In a 2nd Complement a number which is subtracted (3) Assembler from other number is known as........... (4) VDU terminal (1) Carry (2) Minuend (5) None of these (3) Subtrahend (4) All of this 133. Pick out the wrong definition : (5) None of these (1) EDP- acronym for Electronic Data Processing 149. In 2nd Complement a number which is subtracted from (2) COBOL-a language used for business data processing other number is known as............. (3) Control unit - heart of a computer. (1) Minuend (2) Subtrahend (4) None of these (3) Carry (4) All of this (5) Access time-time needed to access the output (5) None of these 134. Terminal is a: 156...........Are used for converting one type of number (1) point at which data enters or leaves the computer system in to other form. (2) device to give power supply to computer (1) half adder (3) the last instruction in a program (2) logic gate (4) any input /output device. (3) Encoder (4) FA (5) None of these (5) None of these 135. Multiple choice examination answer sheets can be 157.......... Are used for converting one type of number evaluated automically by system in to the other form (1) Optical Character Reader (1) logic gate (2) Decoder (2) Optical Mark Reader (3) half adder (4) Full adder (3) Magnetic tape reader (5) None of these (4) Magnetic ink character reader. 158. Multiplexer means................. (5) None of these (1) One in to many 136. An operating system (2) All of these (1) is not required on large computers (3) many in to many (2) is always supplied with the copmuter (4) many in to one (3) consists of programs that help in the operation of (5) None of these computer. 159. Multiplexers is also known as. (4) is always supplied with the BASIC (1) adder (2) demux (5) None of these (3) mux (4) subtracter 137. Which of the following would cause quickest acess (5) None of these (1) direct access from a magnetic tape 160. ASCII code isa......... bit code. (2) direct access from a cassette tape (1) 1 (2) 2 (3) direct access from a floppy disk (3) 9 (4) 8 (4) direct access from a hard disk (5) 7 (5) None of these 162.The decimal number is converted in to excess 3 138. The process of retaining data for future use is called codes by adding, to each decimal digit. (1) reading (2) storing (1) 4 (2) 8 (3) writing (4) coding (3) 3 (4) 2 (5) None of these (5) 7 139. A file is corrected immediately after the input of a trans- 163. 110+110=............ action.This is an example of (1) 3 (2) 0 (1) on-line updating (3) 1 (4) 2 (2) batching (5) None of these (3) sorting 164. 12+12=........... (4) off-line updating (1) 1 (2) 0 (5) None of these (3) 2 (4) 3 140. Magnetic tapes are good storage media for (5) None of these (1) backup and low volume data 165.The digital system usually operated on.........system. (2) None of these (1) decimal (2) binary (3) storing original but low volume data (3) octal (4) storing original but high volume data (4) hexadecimal (5) backup and high volume data (5) None of these https://sscstudy.com 166. The binary system use powers of..........for positional 193. 8085 was introduced in ___ values. (1) 1971 (2) 1972 (1) 16 (2) 10 (3) 1976 (4) 1978 (3) 8 (4) 2 (5) None of these 167. After counting 0, 1, 10, 11, 'the next binary number is 194. In 1978 Intel introduced the 16 bit Microprocessor 8086 (1) 100 (2) 12 now called as_____ (3) 101 (4) 110 (1) APX80 (2) M6800 (5) None of these (3) ZylogzSOOO U pal Ranga 170. In logic algebra, variables can assume only two (4) Intel 8086 values:either..........or 1. (5) None of these (1) 2 (2) 4 (3) 3 195.Which is a 8 bit Microprocessor ______ (4) 0 (5) None of these (1) Intel 4040 171. A logic gate is an electronic circuit which (2) Motorala MC-6801 (1) None of these (3) Pentium-I (2) allows electron flow only in one direction (4) 8088 (3) works on binary algebra (5) None of these (4) alternates between 0&1 values 196. Pentium-l, Pentium-ll, Pentium III and Pentium-IV are (5) makes logic decisions recently introduced microprocessor by______ 172. In positive logic, logic gate 1 corresponds to (1) Motorala (2) None (1) positive voltage (3) Stephen Mors (2) zero voltage level (4) Intel (3) higher voltage level (5) None of these (4) lower voltage level 197. The address bus flow in ____ (5) None of these (1) unidirection k (2) bidirection 173. In negative logic, the logic state 1 corresponds to (3). Mulidirection (4) Circular (1) lower voltage level (5) None of these (2) negative logic 198. Status register is also called as _______ (3) zero voltage (1) Accumulator (4) more negative voltage (2) None of these (5) None of these (3) Counter 175. An X-OR gate produces an output only when it's two (4) Stack inputs are (5) flags (1) high (2) low (1) 8 bit data (3) None of these 203. The First electronic computer was completed in ___. (4) same (5) different (1) 1941 (2) 1938 (3) 1946 176. An AND gate (4) 1950 (5) None of these (1) is equivalent to a series switching circuit 204. The First Generation of computer appeared during the (2) implements logic addition period __. (3) is an any-or-all gate (1) 1937 to 1949 (4) is equivalent to a parallel switching circuit (2) 1964 to 1974 (5) None of these (3) 1934 to 1944 178. The only function of a NOT gate is to (4) 1945 to 1954 (1) stop a signal (5) None of these (2) recomplement a signal 205.The Second Generation of computers used ___ (3) act as a universal set (1) Transistors (4) invert an input signal (2) IC-Chip (5) None of these (3) Vaccum tubes 179. A NOR gate is ON only when all it's inputs are (4) Microprocessor chip (1) OFF (2) positive (5) None of these (3) higb (4) ON 206. The fourth Generation began in________ (5) None of these (1) 1974 181.Karnaugh map (K-map) technique provides a systematic (2) 1965 method for simplifying ——— (3) 1935 (1) multiplexers (4) 1975 (2) logic gates (5) None of these (3) All of these 207. ____is used.to create Large program on internet (4) None of these (1) C++ (5) Boolean expressions (2) HTML 184. A octal is group of —— 1's (3) Java script (1) 2 (2) 6 (3) 8 (4) C language (4) 4 (5) None of these (5) None of these 187. A Register is a group of — — 208.The Device which converts instructions into the binary (1) Flip-flops form that is understood by the computer and supply to the (2) OR & AND gate computer is known as___. (3) OR gates (1) Memory (4) All of these (2) Output (5) None of these (3) Automatic 192.The First Microprocessor was ______ (4) Input (1) 8080 (5) None of these (2) Intel 4004 209. Laptop PCs are also known as ___Computers (3) 8085 (1) Mainframe (2) Super (4) 4008 (3) Notebook (5) None of these (4) personal (5) None of these https://sscstudy.com 210. The symbol is used to indicate a point at which decision 239.Which of the following will happen when data is entered has to be made __. into a memory location? (1) decision (1) It will add to the content of the location (2) Connector (2) It will erase the previous content (3) processing (3) It will change the address of the memory location (4) Terminal (4) It will not be fruitful if there is already some data at the (5) None of these location 211. Windows 98 is ____________ (5) None of these U pal Ranga (1) Graphics System 240. A storage area used to store data to a compensate (2) None of these for the difference in speed at which the different units can (3) Drawing system handle data is (4) Processing system (1) Buffer (2) Memory (5) Operating System (3) Accumulator 212. A common topology to any network is _ __ topology (4) Address (1) Star (2) Bus (5) None of these (3) Tree (4) Ring 241. To locate a data item for storage is (5) None of these (1) Field (2) Feed 213. A flip flop has ____ stable status (3) Fetch (4) Database (1) Two (2) five (5) None of these (3) four (4) Three 242.Time during which a job is processed by the computer is (5) None of these (1) Delay times (2) Execution time 214. Flip flop is also called as _____ (3) Real time (1) Stable (2) Tri stable (4) Down time (3) bistable (5) None of these (4) not stable 243. A directly accessible appointment calendar is feature of (5) None of these a... resident package 215. The number system that we use in our day to day life is (1) CPU (2) ALU called the Number System __. (3) Buffer (4) Memory (1) Octal (2) Decimal (5) None of these (3) hexadecimal 244. The term gigabyte refers to (4) Binary (1) 1 024 megabytes (5) None of these (2) 1 024 kilobytes 216.The Binary system has base ___. (3) 1024 bytes (1) 2 (2) 8 (4) 1 024 gigabyte (3) 10 (4) 16 (5) None of these (5) None of these 245. Which of the following processors use RISC 217. The Octal Number system has base ______ technology? (1) 2 (2) 10 (1) 486dx (2) 486SX (3) 10 (4) 8 (3) PowerPC (4) 6340 (5) None of these (5) None of these 218. The Decimal Number system has base ___. 247. The two major types of computer chips are (1) 8 (2) 10 (1) External memory chip (3) 16 (4) 2 (2) Primary memory chip (5) None of these (3) Microprocessor chip 219.The Hexadecimal Number system has base_. (4) None of these (1) 2 (2) 10 (5) Both 2 and 3 (3) None of these 248. As compared to the secondary memory, the primary (4) 8 (5) 16 memory of a computer is 225. Hexadecimal number system has..... symbols. (1) Large (2) Cheap (1) 16 (2) 12 (3) Slow (4) Fast (3) 15 (4) 10 (5) None of these (5) None of these 249. Which of the following is a way to access secondary 226.Octal number system has..... symbols. memory? (1) 15 (2) 16 (1) Action method (3) 10 (4) 8 (2) Transfer method (5) None of these (3) Density method 227. Binary number system has..... symbols. (4) None of these (1) 15 (2) 2 (5) Random access memory. (3) 16 (4) 10 250. Which of the following memories allows simultaneous (5) None qtthese read and write operations? 228. Decimal n/mber system has..... symljfls. (1) ROM (2) EPROM (1) 15 (2) 16 (3) RAM (3) 10 (4) 2 (4) None of above (5) None of these (5) None of these. 237. The binary equivalent of (64)10 , is : 251. Which of the following memories has the shortest (1) 11000000 (2) 1100000 access times? (3) 1100010 I (4) 1000000 (1) Magnetic bubble memory (5) None of these (2) Cache memory 238. The two kinds of main memory are: (3) Magnetic core memory (1) ROM and RAM (4) RAM (2) Random and sequential (5) None of these (3) Primary and secondary (4) All of above (5) None of these https://sscstudy.com 253. A set.of information that defines the status of resources 265. Which is the type of memory for information that does allocated to a process is not change on your computer? (1) Process control (1) ROM (2) ALU (2) RAM (3) Register Unit (3) ERAM (4) None of these (4) RW/RAM (5) Process description (5) None of these 254.Any method for controlling access to or use of memory 266. A typical personal computer used for business purposes U pal Ranga is known would have... of RAM. (1) Memory map (1) 4KB (2) 256 K (2) None of these (3) 64 K (4) 16 K (3) Memory management (5) None of these (4) Memory instruction 267.Which computer memory is used for storing programs (5) Memory protection and data currently being processed by the CPU? 255. A type of core store that has a lower access time than (1) Mass memory the de-vices used for working store in the same (2) None of these processor is known as (3) Non-volatile memory (1) Core memory (4) PROM (2) Address register (5) Internal memory (3) Fast core 268.Which of the following is a sec-ondary memory device? (4) Buffer (1) Disk (5) None of these (2) Keyboard 257. A disk storage medium in the form of an assembly (3) ALU contain-ing a single rigid magnetic disk permanently is (4) All of the above (1) Fixed disk (5) None of these (2) Card reader 269. The difference between memory and storage is that (3) Card punch memory is......and storage is... (4) Disk cartridge (1) Permanent, temporary.. (5) None of these (2) Temporary, permanent 258. A memory that is capable of determining whether a (3) Slow, fast given da-tum is contained in one of its address is (4) All of above (1) ROM (5) None of these (2) CAM 270. Which of the following regis-ters is used to keep track of (3) PROM address of the memory location where the next instruc-tion is (4) RAM located? (5) None of these (1) Memory address register 259. A method of implementing a memory management (2) Memory data register system is (3) Instruction register (1) All of the above (4) None of these (2) Bridgeware (5) Program counter (3) Broadband coaxial system 271. How many'address lines are needed to address each (4) Buddy system memory location in a 2048 x 4 memory chip? (5) None of these (1) 10 (2) 12 260. A plastic card similar to a credit card but having some (3) 8 (4) 11 memory and a microprocessor embedded within it is (5) None of these (1) Chip card 272.The memory which is pro-grammed at the time it (2) Card punch is manufactured (3) Magnetic tape (1) PROM (2) RAM (4) None of these (3) POM (4) EPROM (5) Punched paper tape (5) None of these 261. The use of spooler programs and/or.........Hardware 273. Registers, which are partially visible to users and used allows personal computer operators to do the processing to hold conditional, are known as work at the same time a printing operation is in progress (1) PC (1) Registered mails. (2) General purpose register (2) Buffer (3) Memory address registers (3) CPU (4) Flags (4) Memory (5) None of these (5) None of these 274. The two basic types of record access methods are: 262.Which chips using special ex-ternal equipment can (1) Online and real time reprogram (2) Sequential and indexed (1) PROM (2) ROM (3) Direct and immediate (3) SAM (4) RAM (4) Sequential and random (5) None of these (5) None of these 263. Interface electronic circuit is used to interconnect I/O 275.Which of the following memo-ries needs refresh? de-vices to a computer's CPU or (1) DRAM (2) SRAM (1) ALU (2) Register (3) ROM (4) All of above (3) Buffer (4) Memory (5) None of these (5) None of these 276. Access time is 264. Which term is used to describe RAM? (1) seek time (1) Dynamic RAM (DRAM) (2) seek time + latency time (2) Static RAM (SRAM) (3) seek time - latency time (3) Videc RAM (VRAM) (4) latency time (4) None of these (5) None of these (5) All of the above https://sscstudy.com 277. Seek time is (1) time to position the head over proper cylinder (2) time to position the head over proper sector (3) time to position the head over proper track (4) none of above (5) None of these 278.A name or number used to identify a storage location devices? U pal Ranga (1) A byte (2) A record (3) All of above (4) An address (5) None of these 279. Which of the following regis-ters is loaded with the con- tents of the memory location pointed by the PC? (1) Memory address registers (2) Instruction register (3) Memory data registers (4) Program counter (5) None of these 280. Codes consisting of bars or lines of varying widths or lengths that are computer-readable are known as— (1) an ASCII code (2) a magnetic tape (3) a bar code (4) an OCR scanner (5) None of these 281. A __ represents approximately one billion memory location. (1) kilobyte (2) gigabyte (3) megabyte (4) terabyte (5) None of these 282. In a database ___ fields store numbers used to perform calculation. (1) Next (2) Key (3) Alphanumeric (4) None of these (5) Numeric 283. A (n)_ is a program that makes the computer easier to use. (1) Operating system (2) Application (3) Network (4) Utility (5) None of these 284. Storage that retains its data after the power is turned off is referred to as (1) non-volatile storage (2) volatile storage (3) sequential storage (4) direct storage (5) None of these 285. Which of the following is the largest unit of storage ? (1) KB (2) GB (3) MB (4) TB (5) None of these 286. 286. The person contributing the idea of the stored program was (1) Daniel Thomas (2) Charles Babbage (3) Howard Aiken (4) John Neumann (5) Dennis Ritenie. 287. Which of the following refers to the memory in your computer? (1) USB (2) DSL (3) RAM (4) LAN (5) CPU https://sscstudy.com  169.(3) 170.(4) 171.(5) 172.(3) ANSWER 173.(1) 174.{2) 175.(5) 176.(1) 177.(3) 178.(4) 179.(1) 180.(4) 1.(4) 2.(1) 3-(4) 4.(1) 182.(2) 183.(1) 184.(3) 181.(5) 5-(3) 6-(2) 7-(3) 8.(1) 185.(2) 186.(4) 187.(1) 188.(3) U pal Ranga 9-(4) 10.(2) 11. (1) 12.(3) 189.(3) 190.(1) 191 ,(4) 192.{2) 13.(4) 14.(5) 15.(2) 16.(1) 193.(3) 194.(1) 195.(2) 196.(4) 17-(3) 18.(5) 19.(2) 20.(1) 197.(1) 198.(5) 199.(4) 200.(2) 21. (4) 22.(3) 23.(1) 24.(2) 201.(3) 202.(4) 203.(3) 204.(4) 25.(3) 26.(1) 27.(3) 28.(2) 205.{1) 206.(2) 207.(3) 208.(4) 29.(5) 30-(2) 31.(5) 32.(2) 209.(3) 210.(1) 211. (5) 212.(1) 33.(1) 34.(1) 35-(4) 36.(2). 213.(4) 214.(3) 215.(2) 216.{1) 37.(4) 38.(3) 39.(1) 40.(2) 217.(4) 218.(2) 219.(5) 220.(3) 41. (3) 42.(4) 43.(3) 44.(1) 221.(1) 222.(2) 223.(3) 224.(4) 45.(5) 46.(3) 47.(1) 48.(5) 225.(1) 226.(4) 227.(2) 228.(3) 49.(3) 50.(4) 51.(5) 52.{1) 229.(5) 230.(1) 231.(2) 232.(4) 53.(4) 54,(2) 55.(3) 56.(2) 57.(4) 58. (2) 59.(3) 60.(4) 233.(5) 234.(1) 235.(3) 236.(2) 61. (2) 62. (3) 63.(1) 64.(4) 237.(4) 238.(1) 239.(2) 240.(1) 65.(1) 66.(5) 67.(1) 68.(2) 241.(3) 242.(2) 243.(4) 244.(1) 69.(4) 70.{2) 71.(3) 72.(1) 245.(3) 246.(4) 247.(5) 248.(4) 73-(2) 74.(4) 75.(3) 76.(2) 249.(5) 250.(3) 251.(2) 252.(1) 77.J1) 78.(4) 79.(1) 80.(3) 253.(5) 254.(5) 255.(2) 256.(1) 81.(4) 82.(2) 83.(5) 84.(4) 257.(4) 258.(2) 259.(4) 260-(5) 85,(3) 86.(2) 87.(4) 88.(3) 261.(2) 262.(1) 263;(4) 264.(5) 89.(1) 90.(2) 91.(5) 93.(1) 265.(1 266.(2) 267.(5) 268.(1) 93.(4) 94.(2) 95.(1) 96.(2) 269.(2) 270.(5) 271.(4) 272.(3) 97.(4) 98.(3) 99.(1) 100.(2) 273.(2) 274.(4) 275.(1) 276. (2) 101.(5) 102.(4) 103.(5) 104.(2) 105.(3) 10G.(4) 107.(2) 108.(4) 277.(3) 278.(4) 279.(2) 280. (3) 109.(3) 110.(1) 111- (4) 112.(3) 281. (2) 282.(5) 283.(4) 284.(1) 113.(5) 114,{2) 115.(4) 116.(1) 285. (2) 286. (4) 287. (3) 117.(4) 118.(5) 119.(2) 120.(5) 121.(1) 122.(3) 123.(5) 124.(3) 125.(4) 12G.(5) 127.(2) 128.(3) 129.(1) 130.(2) 131.(4) 132.(3) 133.(5) 134.(1) 135.(2) 136.(3) 137.(4) 138.(2) 139.(1) 140.(5) 141.(4) 142.(2) 143.(3) 144.(5) 145.(1) 146.(3) 147.(4) 148.(3) 149.(1) 150~(3) 151.(2) 152.(2) 153.(1) 154.(4) 155.(2) 156.(3) 157.(2) 158.(4) 159.(3) 160.(5 161.(2) 162.(3) 163.(4) 164.(1) 165.(2) 166.(4) 167-(1) 168,(2) https://sscstudy.com  12. Which one amongst them is not an inter network ? Computer Networks (1) LAN (2) WAN 1. _____terminals (formerly known as cash registers) are (3) MAN often connected to complex inventory and sales computer (4) All are internet works systems. (5) None of these (1) Point-of-sale (POS) 13. A proxy server is used for which of the following ? (2) Data (3) Sales (1) To provide security against unauthorized users (4) Query (2) To provide TCP/IP U pal Ranga (5) None of these (3) To process client requests for datab'ase access 2. Smaller and less expensive PC-based servers are (4) To process client requests for Web pages replacing ____ in many busi-nesses. (5) None of these (1) supercomputers 14. The ability to easily add addi-tional users means that a (2) mainframes net work is (3) laptops (4) clients (1) secure (5) None of these (2) dedicated 3. DSL is an example of a(n) _____ connection. (3) decentralized (1) network (2) wireless (4) scalable (3) slow (5) None of these (4) None of these 15. If you wish to extend the length of the network without (5) broadband having the signal degrade, you would use a 4. A term used to describe interconnected computer (1) repeater configuration is (2) switch (1) Micro program sequence (3) gateway (2) Modulation (4) router (3) Multiprocessing (5) None of these (4) Multiprogramming 16. A(n) __ is a private corporate network, used exclusively (5) None of these by company employees. 5. What is required when more than one person uses a (1) intranet central computer at the same time? (2) local area network (1) Light pen (2) Mouse (3) peer-to-peer (3) Terminal (4) Digitizer (4) Internet (5) None of these (5) None of these 6. Multi user systems provided cost savings for small 17. A characteristic of a file server is which of the following ? business because they use a single pro-cessing unit to link (1) Acts as a fat client and is limited to one PC several (2) Manages file operations and is limited to one PC (1) Personal computers (3) Acts as a fat client and is shared on a network (2) Dumb terminals (4) Manages file operations and is shared on a network (3) Workstations (5) None of these (4) Mainframes 18. Which of the following terms is just the connection of net- (5) None of these works that can be joined together? 7. A dumb terminal has (1) Virtual private network (1) An embedded micro-proces- (2) Internet (2) Extensive memory (3) None of these (3) A keyboard and screen (4) Extranct (5) Intranet (4) Independeh I processing 19. Servers are computers that provide resources to the (5) None of these other computers connected to a _ 8. What is the full form of USB as used in computer related (1) Mainframe (2) Network activities ? (3) Super computer (1) Universal Serial Bus (4) Client (2) Ultra Serial Block (5) None of these (3) United Service Block 20. The most important or power-ful computer in a typical (4) Universal Security Block network is (5) None of these (1) desktop 9. A device that connects to a network without the use pf (2) network cliejit cables is said to be— (3) network station (1) distributed (4) network server (2) open source (5) None of these SBI Clerk Exam, O6.07.200S (3) centralized 21. To make a notebook act as a desktop model, the (4) wireless notebook can, be connected to a__ which is connected to a (5) None of these monitor and other devices. 10. A ___ is a collection of com-puters and device connected (1) bay (2) network together. (3) port (1) network (4) docking station (2) memory card (5) None of these (3) protocol 22. A set of rules that computer on a network use to commu- (4) central processing unit nicate with each other are called (5) None of these Allahabad Bank Clerk Exam, 31.08.2008 (1) Protocol 11. Multiplexing involves_ path and _ channel. (2) Regulations (1) one, one (3) Rules (2) multiple, one (4) Netiquettes (3) one, multiple (5) None of these (4) multiple, multiple (5) None of these https://sscstudy.com 23. Which of the following refers to a small, single site 36. In OSI network architecture, the dialogue control and network? token management are responsibility of (1) CPJ (2) DSL (1) transport layer (3) RAM (4) USB (2) network layer (5) LAN (3) session layer 24. Computer connected to a LAN {Local Area Network) can (4) data link layer (1) share information and/or share peripheral equipment (5) none of above (2) go on line 37. In OSI network architecture, the routing is performed by U pal Ranga (3) run faster (4) E-mail (1) data link layer (5) None of these (2) network layer 25. The __ is a device that connects n inputstom outputs, (3).transport layer (1) Crosspoint (4) session layer (2) Crossbar (5) none of above (3) None of these 38. Which of the following performs modulation and (4) RAM demodulation? (5) Modem (1) modem (2) satellite 26. The sharing of a medium and its path by 2 or more (3) coaxial cable devices is called _. (4) fiber optics (1) Multiplexing (5) none of the above (2) Encoxing 39. The process of converting analog signals into digital (3) Line discipline signals so they can be processed by a receiving computer is (4) Modulation referred to as: (5) None of these (1) modulation 27. Which multiplexing technique transmits ariatog signals ? (2) digitising (1) Asynchronous TDM (3) synchronizing (2) Synchronous TDM (4) demodulation (3) FDM 40. How many OSI layers are covered in the X.25 standard? (4) Both (2) and (3) (1) Two (2) Seven (5) None of these (3) Three (4) Six 28. Network components are connected to the same (5) None of above cable in the— topology, 41. Layer one of the OSI model is (1) mesh (2) ring (1) transport layer (3) bus (4) star (2) link layer (5) mixed (3) physical layer 29. Two or more computers connected to each other (4) network layer for shar-ing information form a —— (5) none of above. (1) pipeline (2) router 42. The x.25 standard specifies a (3) server (4) tunnel (1) technique for start-stop data (5) network (2) technique for dial access 30. Office LANs that are spread geographically apart on a (3) data bit rate large scale can be connected using a corporate —— (4) DTE/DCE interface (1) CAN (2) WAN (5) none of above (3) DAN (4) LAN 43. Which of the following communication modes (5) TAN support -two-way traffic but in only one direction at a time? 31. For separating channels in FDM, it is necessary to use (1) half duplex (1) Differentiation (2) simplex (2) Bandpass filters (3) three-quarters duplex (3) Time slots (4) all of the above (4) All of the above (5) none of the above (5) None of these 44. Wh ch of the following might be used by a company to 32. Encryption and decryption are functions of satisfy following communications needs? (1) Transport layer (1) front end processor (2) None of these (2) all of the above (3) Presentation layer (3) controller (4) Allot the above (4) concentrator ,, (5) Session layer (5) multiplexer 33. Which type of switching uses the entire capacity of a 45. The interactive transmission of data within a time sharing dedicated link? system may be best suited to (1) Datagram Packet Switch-ing (1) simplex lines (2) Virtual Circuit Packet Switching (2) biflex-lines (3) Circuit switching (3) full duplex lines (4) Message Switching (4) half-duplex lines (5) None of these 46. Which of the following statement is incorrect? 34. A peimanent virtual circuit involves (1) Batch processing is the prefered processing mode for (1) All of the above (2) Data transfer telecommunication operation. (3) Connection release (2) Half duplex line is a communication line in which data (4) Connection establishment can move in two directions, but not at the same time. (5) None of these (3} Teleprocessing combines telecommunications and DP 35. X.21 protocol consists of techniques in online activities (1) Only physical level (4) The difference between synchronous and asy- (2) Frame and packet levels nchronous trans mission is the clocking derived from the (3) Physical, frame and pack-et levels data in synchronous transmission. (4) Physical and frame levels (5) None of these https://sscstudy.com 47. Which of hte fallowing is considered a broad band 60. How much power (roughly) a light emitting diode can communication channel? couple into an optical fiber? (1) coaxial cable (1) 100 picowatts (2) fiber optics cable (2) 440 microwatts (3) all of above (3) 100 microwatts (4) microwave circuits (4) 10 miliwatts 48. Which of the following is not a transmission medium? 61. The synchronous modems are more costly than the (1) telephone lines asynchronous modems because U pal Ranga (2). modem (1) they contain clock recovery circuits (3) coaxial cables (2) they produce large volume of data (4) microwave systems (3) they transmit the data with stop and start bits 49. Which of the following does not allow multiple uses or (4) they operate with a larger bandwidth devices to share one communication line? (5) none of above (1) concentrator 62. Which of the following statement is correct? (2) multiplexer (1) terminal section of a synchronous modem contains the (3) doubleplexer scrambler (4) controller (2) transmission section of a synchronous modern contains 50. Which of the following signal is not standard RS 232-C the scrambler signal? (3) receiver section of a synchronous modem contains the (1) CIS (2) RTS scrambler (3) VDR (4) DSR (4) control section of a synchronous modem contains the 51. Which of the following statement is incorrect? scrambler (1) Multiplexers are designed to accept data from several (5) none of the above I/O devices and transmit a unified stream of. data on one 63. In a synchronous modem, the digital-to-analog communication tine converter transmits signal to the (2) RTS/CTS is the way the terminal indicates ringing (1) demodulator (3) RTS/CTS is the way the DTE indicates that it is ready (2) modulator to transmit data and the way the DCW indicates that it is (3) equilizer ready to accept data (4) terminal (4) HDLC is a standard synchronous communication (5) none of aobve protocol. 64. Which of the following communications lines is best 52. Which of the following is an advantage to using fiber suited to interactive processing appJIcatjons? optics data transmission? (1) narrow band channel (1) resistance to data theft (2) simplex lines (2) fast data transmission rate (3) mixed band channels (3) all of above (4) full duplex lines (4) low noise level (5) none of the above 53. Which of the following is required to communicate 65. A remote batch-processing I operation in which data is between two computers? solely input to a central computer would require (1) all of above including access to transmission medium (1) telegraphp line (2) protocol (2) none of the above (3) communication hardware (3) mixed bad channel (4) communications software (4) all of above 54. The transmission signal coding method of Tl carrier is (5) simplex lines called 66. A band is always equivalent to (1) NRZ (2) Bipolar (1) a byte (3) Manchester (4) Binary (2) a bit 55. Which data communication method is used to transmit (3) 100 bits the data over a serial communication link? (4) none of the above. (1) simplex (2) half-duplex (5) all of above (3) None of above 67. The loss in signal power as light travels down the fiber is (4) band c called (5) full-duplex (1) interruption 56. What is the minimum number of wires needed to send (2) progragation data over a serial communication link layer? (3) scattering (1) 2 (2) 1 (4) attenuation (3) 4 (4) 6 (5) none of the above (5) none of above 68. Avalanche photodiode receivers can detect bits of 57. Which of the following types of channels moves data transmitted data by receiving relatively slowly? (1) 200 photons (1) narrow band channel (2) 100 photons (2) voice band challen (3) 2000 photons (3)- wide band channel (4) 300 photons' 58. Most data communications involving telegraph lines use: (5) none of the above (1) simplex lines 69. Communiction circuits that transmit data in both (2) wideband channel directions but not at the same time are operating in (3) dialed service (1) a simplex mode (4) narrowband channel (2) all the options 59. A communications device that combines transmissions (3) a full duplex mode from several I/O devices into one line is a (4) a half duplex mode (1) concentrator (5) an asynchronous mode (2) modifier (3) full-duplex line (4) multiplexer https://sscstudy.com 70. An example of a medium speed, switched 82. A data terminal serves as an communications service is (1) Effector (1) series 1000 (2) sensor (2) data phone 50 (3) neither a nor b (3) All of the above (4) both a and b (4) ODD (5) none of the above (5) none of the above 83. Which of the following transmission systems provide the 71. In communication satellite,multiple repeaters are known as highest data rate to in individual device? U pal Ranga (1) detector (1) telephone lines (2) modulator (2) computer bus (3) transponders (3) voice and mode (4) stations (4) lease lines (5) none of the above (5) none of the above. 72. While transmitting-odd-parity coded symbols, the number 84. A protocol is a set of rules governing a time sequence of of zeros in each symbol is events that must take place (1) odd (1) between modems (2) unknown (2) between an interface (3) a and b both (3) between peers (4) even (4) across an interface (5) none of the above (5) none of the above 73. Data communications monitors available on the software 85. __ is used in operating system to separate mechanism marked include from policy (1) TOTAL (1) Two level implementation (2) ENVIRON/1 (2) Single level implementation (3) BPL (3) Multi level implementation (4) Tel net (4) All of the above (5) none of the above (5) none of the above 74. An exajnple of an analog communication method is 86. The operating system creates. (1) laser beam (1) Virtual computers (2) microwave (2) All the above (3) voice grade telephone line (3) Virtual device (4) none of the above (4) Virtual space (5) all of the above (5) none of the above 75. Number of bits per symbol used in Baudot code is. 87. from the physical computer__shares characteristics with (1) 7 (2) 9 both hardware and software (3) 8 (4) 5 (1) All the above (5) none of the above (2) Software (3) Data 76. What is the main difference between DDCMP and (4) Operating system SDLC?. (5) none of the above (1) DDCMP has a message header 88. Multiprogramming systems: (2) DDCMP does not need special hardware to final the (1) Are easier to develop than single programming systems beginning of a message (2) Execute more jobs in the same time period (3) SDLC has a IP address (3) Execute each job faster (4) SDLC does not use CRC (4) Are used only one large mainframe computers. (5) none of the above (5) none of the above 77. An example of digital, ratherthan analog, communication 89. Which is the first program run on a computer when the is computer boots up? (1) DOS (2) DDD (1) Operating system (3) WATS (4) DOT (2) System software (5) none of the above (3) System operations 78. Terminals are required for (4) All the above. (1) real-time, batch processing & time-sharing (5) none of the above (2) real time, timesharing & distributed message 90. Which is built directly on the hardware? processing (1) Computer Environment (3) real-time, time sharing & message switching (2) Application Software (4) real time, distributed processing & manager inquiry (3) Data base System (5) none of the above (4) Opera ti ng System 79. The receive equilizer reduces delay distortions using a (5) none of the above (1) gearshift 91. Which of the following-Operating System does not (2) descrambler implement multitasking truly? ^ (3) tapped delay lines (1) Windows 98 (4) difference engine (2) Windows NT (5) none of the above (3) Windows XP 80. Ina synchronous modem, the receive equilizer is known as (4) none of the above (1) impariment equilizer (5) MS DOS (2) adaptive equilizer 92. Which runs on computer hardware and serve as platform (3) statistical equilizer for other software to run on? (4) compromise equilizer (1) Application Software (5) none of the above (2) Opera ti ng System 81. The channel in the data-communication model can be (3) System Software (1) postal mail services (4) All the above (2) telephone lines