1) Poor response times are usually caused by
A. Process busy
B. High I/O rates
C. High paging rates
D. Any of the above
2) ........... runs on computer hardware and serve as platform for other software to run on ...
A. Operating system
B. Application Software
C. System Software
D. All
3) Which of the following about addresses is true?
A. they have a unique identifier
B. their contents will not change
C. their identifier will not be same
D. none of the above
4) Which of the following program is not a utility?
A. Debugger
B. Editor
C. Spooler
D. All of the above
5) The number of digits a number system uses to represent the numbers in the system is called ...
A. base
B. basic
C. radix
D. base or radix
6) Each time you turn the power switch on which control files the computer will check
A. command.com, IO.sys
B. command.com, dat.com, dir.com
C. command.com, IO.sys, MSDOS.sys
D. chkdsk.exe
7) ............ interface consists of things like program counter, registers, interrupts and terminals.
A. Hardware
B. Software
C. Data
D. None
8) The number of bits that a computer can process at a time in parallel is called the ...
A. Word length
B. Speed
C. Accuracy
D. Diligence
9) The binary equivalent of 20 is ......
A. 11111
B. 10100
C. 10101
D. 10011
10) .............. is the first program run on a computer when the computer boots up
A. System software
B. Operating system
C. System operations
D. None
11) The decimal equivalent of 111111 is ...
A. 25
B. 40
C. 65
D. none of the above
12) A system that synchronizes hardware and software to produce electronic tones is a ....
A. Synthesizer
B. Plain talk
C. Voice type
D. MIDI
13) ............ shares characteristics with both hardware and software.
A. Operating system
B. Software
C. Data
D. None
14) How many characters can be coded in ASCII-7?
A. 7
B. 128
C. 256
D. none of the above
15) Which of the following is a portable computer?
A. Laptop
B. Sub-note books
C. PDAS
D. All of the above
16) Multiprogramming systems ..
A. Are easier to develop than single programming systems
B. Execute each job faster
C. Execute more jobs in the same time period
D. Are used only large mainframe computers
17) Microsecond is ....
A. thousand of a second
B. millionth of a second
C. billionth of a second
D. trillionth of a second
18) How many characters can be coded in ASCII-8 and EBCDIC?
A. 7
B. 128
C. 256
D. none of the above
19) The primary purpose of an operating system is .....
A. To make the most efficient use of the computer hardware
B. To allow people to use the computer
C. To keep systems programmers employed
D. To make computers easier to use
20) The main function of computer is/are ....
A. receive input and produce output
B. information processing
C. information storage
D. all of the above
Answers:
1) D. Any of the above2) A. Operating system
3) A. they have a unique identifier
4) C. Spooler
5) D. base or radix
6) C. command.com, IO.sys, MS-DOS.sys
7) A. Hardware
8) A. Word length
9) B. 10100
10) B. Operating system
11) D. none of the above
12) D. MIDI
13) A. Operating system
14) B. 128
15) D. All of the above
16) C. Execute more jobs in the same time period
17) B. millionth of a second
18) C. 256
19) A. To make the most efficient use of the computer hardware
20) D. all of the above
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