Correct Question File Errors (IT) PDF

Correct question file errors ( IT ) Chapter (1) :- (11) Which of the following is NOT a function of the central processing unit (CPU)? A) Performing arithmetic and logical operations B) Storing data and instructions C) Converting data into a human-readable form D) b &...

Correct question file errors ( IT ) Chapter (1) :- (11) Which of the following is NOT a function of the central processing unit (CPU)? A) Performing arithmetic and logical operations B) Storing data and instructions C) Converting data into a human-readable form D) b & c (16) Which of the following is a function of the storage unit in a computer system? A) Storing data and instructions before and after processing B) Performing arithmetic and logical operations C) Converting data into a human-readable form D) Controlling input and output operations Chapter (2) :- (4) Which of the following is NOT an example of a type of nonvolatile memory? A. ROM B. Flash memory C. CMOS D. DDR3 RAM (5) What is the purpose of an expansion card on the motherboard? A. To store data B. To enhance the functions of the system unit C. To convert computer output into a video signal D. To interpret and execute instructions A.HOSSAM & Y.MOSTAFA & A.RHMAN & M.AHMED (25) What is a type of memory that does not lose its contents when power is removed from the computer? A. ROM B. Flash memory C. CMOS D. all of the above (34) Which of the following is NOT a type of nonimpact printer? A. Inkjet printer B. Laser printer C. Thermal printer D. Dot-matrix printer (35) What does the multifunctional printer contain from the following ? A. All answers mentioned B. Printer C. Scanner D. Fax machine Chapter (3):- (15) What are some examples of operating systems? a) Windows, Mac OS, UNIX, Linux, Windows Embedded CE, iPhone OS, Google Android. b) Windows, Mac OS, UNIX, Linux, Windows Phone, BlackBerry OS, chrome c) Windows, Mac OS, UNIX, Linux, iOS, Android, Word d) Windows, Mac OS, UNIX, Linux, iOS, Android, power point. (17) What are the types of application software? a) Productivity software, multimedia software, communication software, UNIX b) Productivity software, multimedia software, communication software, google android c) Productivity software, multimedia software, communication software, security software. Linux d) Productivity software, multimedia software, communication software, business software. A.HOSSAM & Y.MOSTAFA & A.RHMAN & M.AHMED Chapter (4) (3) What are the different symbols used in flowcharts? A) Start and end, process, decision, input and output, connector. B) Rectangle , Diamond , Arrow , Parallelogram C) Dash, dot, arrow, square, diamond. D) Red, green, blue, yellow, black. (8) What are the general rules for flowcharting? A) Use only one start and end symbol, use only one symbol for each type of process or decision, use connectors to show the flow of control, use only one flow of control. B) Use only one start and end symbol, use multiple symbols for each type of process or decision, use connectors to show the flow of control, use multiple flows of control. C) Use multiple start and end symbols, use only one symbol for each type of process or decision, use connectors to show the flow of control, use only one flow of control. D) Use multiple start and end symbols, use multiple symbols for each type of process or decision, use connectors to show the flow of control, use multiple flows of control. chapter (5) (8) How do you convert a binary number to decimal? a) Multiply each digit by the base of the binary system and sum the results b) Divide the binary number by the base of the decimal system and keep the remainder c) Subtract the binary number from the base of the decimal system d) Add the binary number to the base of the decimal system A.HOSSAM & Y.MOSTAFA & A.RHMAN & M.AHMED (11) How do you convert an octal number to binary? a) Multiply each digit by the base of the binary system and sum the results b) convert octal to decimal then from decimal to binary c) Subtract the octal number from the base of the binary system d) Add the octal number to the base of the binary system (21) How many digits are used in the decimal number system? a) 2 b) 8 c) 10 d) 16 (22) How many digits are used in the hexadecimal number system? a) 2 b) 8 c) 10 d) 16 )23( What is the decimal equivalent of the binary number 1010101? a) 85 b) 170 c) 255 d) 343 (25) What is the binary equivalent of the hexadecimal number F9? a) 11111001 b) 11101001 c) 11110001 d) 10011111 (27) What is the binary equivalent of the octal number 723? a) 111010011 b) 11101110 c) 11100110 d) 11110011 (29) What is the octal equivalent of the decimal number 121? a) 43 b) 47 c) 153 d) 171 (31) What is the binary equivalent of the hexadecimal number F9? a) 11111001 b) 11101001 c) 11110001 d) 10011111 ‫بالتوفيق‬ A.HOSSAM & Y.MOSTAFA & A.RHMAN & M.AHMED