Sheets Answers PDF
Document Details
Uploaded by ConvenientMagenta
Tags
Summary
This document contains questions and answers about computer science concepts. Topics include hardware, software, networking, and data representation.
Full Transcript
Sheet1,2,3,4,5 answers 1- Process in the computer is directed by software ……but performed by the … hardware…………. 2- WAN wide area Network………………………….. connects computers over great distances. 3- The Central Processing Unit (CPU) consists of both the control unit and...
Sheet1,2,3,4,5 answers 1- Process in the computer is directed by software ……but performed by the … hardware…………. 2- WAN wide area Network………………………….. connects computers over great distances. 3- The Central Processing Unit (CPU) consists of both the control unit and the arithmetic/logic unit. 4- Processing instructions one at a time is called serial processing. 5- When the control unit decodes an instruction, the machine cycle is in I-time (Instruction Time). 6- Compilers.............convert the programming instructions written by programmers into the computer language. 7- Data …….. is a representation of a fact, figure, or idea. It can be a number, a word, a picture, or even a recording of sound. 8- The operating system program that remains resident in memory is the kernel. 9- A utility that reorganizes disk files into adjacent storage locations is the disk defragmenter. 10- MHz is the abbreviation of Megahertz. 11- …….Web browser is a program that allows the user to move around and explore the Internet. 12- A group of 8 bits is a…Byte…………. 13-.......Apple MAC is the first O.S that use graphical user interface in 1984 14- The combination of I-time and E-time is called the machine cycle. 15- A 0 or 1 in the binary system is called a(n) bit. 16- Cache memory is a high-speed temporary storage location for data moving between memory and the CPU. 17-....... dot matrix printer is a printer that has a print head that contacts the paper to produce a character. 18- The motherboard is the main circuit board found inside the system unit. 19- Computers can be used in the retails field in medical…………and industry……………. 20- Multiprocessing uses multiple processors in the same computer at the same time. 21- The four steps in a machine cycle are fetch, decode, execute, and store. 22- RAM stands for …Random Access Memory 23- Computer memory in which user cannot write new information or instruction is Read-Only Memory (ROM) 24- A utility that reduces the amount of space required to store a file is a(n) file compression utility. 25- Command-line operating systems (e.g., MS-DOS) use a command-line interface. 26- A program that overlays the operating system to provide a more user- friendly environment is the shell. 27- 28- File Explorer ………………… is the main file management utility 29- The type of software that you can try it before you buy it, is called shareware 30- The ability of a computer to overlap the steps in a machine cycle is known as pipelining. 31- The system bus transfers data between the CPU and memory. 32-....... Dot pitch is the distance between each pixel on the screen measured in millimeters. 33- GUI stands for Graphical User Interface. 34- The extension of the Microsoft Access is.accdb……………………………. 35- Remove a program in the proper way, by choosing Uninstall a program……in the Control Panel. 36- ………. Vertical Applications/Enterprise applications are used across the divisions of a company 37- TCP/IP stands for Transmission Control Protocol/Internet Protocol. 38- The kind of signal that most telephone lines require is analog. 39- Computers can be used in the finance field in Banking……………. and stock…………… 40- A(n) modem converts a digital signal to an analog signal and vice versa. 41- Bluetooth is a wireless technology used to connect devices over distances less than 30 feet. 42- A(n) wireless access point (WAP) allows laptops with wireless NICs to connect to a network. 43- ISP stands for Internet Service Provider.…… ………..…. 44- A(n) network interface card (NIC) is the device used to connect a PC to the network. 45- …… Output. devices, convert from electronic form to some other form.