1) The ALU and control unit of most of the microcomputer and combined and manufactured on a single silicon chip what it is called ...
A. Mono chip
B. Micro Processor
C. ALU
D. Control Unit
2) Mini computers are ....
A. larger than micro computer
B. larger than micro but smaller than mainframe
C. smaller than mainframe
D. all of the above
3) The decreased cost and increased performance of computer hardware were the distinguishing features of which generation of computer?
A. first and second
B. second and third
C. third and fourth
D. all generations
4) The CPU chip used in a computer practically made out of ...
A. silica
B. carbon
C. copper
D. gold
5) The word 'computer' usually refers to the central processing unit plus
A. External memory
B. Internal memory
C. Input device
D. Output device
6) Super computers are ....
A. used to process complex scientific jobs
B. used in star wars and space research
C. the largest and fastest systems
D. all of the above
7) A computer will function in its memory ..
A. has control unit
B. is given input data
C. has a program in its memory
D. has software package
8) Which statement is valid for the digital computer?
A. its less accurate than the analog computer
B. it represents the decimal numbers through a string of binary digits
C. it is used primarily in scientific application
D. both A and C
9) A hybrid computer in an aeroplane can also measure ...
A. altitude of the plane
B. speed of the plane
C. convert the analog data into digital data
D. weight of the plane
E. All of the above
10) The central computer in a distributed processing system is called the
A. Mainframe
B. CPO
C. Multiplexer
D. Host
11) ROM is a non-volatile memory because ...
A. it can be programmed when required
B. the programs are permanently stored
C. the programs are erased as the power is switched off
D. the programs are changeable as required
12) Memories in which any location can be reached in a fixed land short amount of the time after specifying its address is called ...
A. Sequential-access
B. Random access memory
C. Secondary memory
D. Mass storage
13) Which of the following is not a part of the CPU?
A. Storage unit
B. Arithmetic an logic unit
C. Program
D. Control unit
14) The register which contains the data to be return into or read out of the addressed location is known as ...
A. Index register
B. Instruction register
C. Memory register
D. Memory data register
15) An UPS is attached to the computer so that ....
A. it prevents from loss of data
B. it supplies electricity all the time
C. all of the above
D. none of the above
16) The Qwerty keyboard ..
A. is the most popular keyboard
B. is the fastest keyboard
C. is a keyboard that is really used
D. all of the above
17) Microcomputers are ...
A. Highly efficient in data processing
B. Very much reliable
C. Small and elegant
D. Super computers
18) Which of the computer memory is essentially empty?
A. RAM
B. ROM
C. EPROM
D. FROM
19) Which is the most powerful type of computer?
A. micro computer
B. mini computer
C. mainframe computer
D. super computer
20) Which of the following is not a sequence storage device?
A. Magnetic disk
B. Magnetic tape
C. Paper tape
D. All of the above
Answers:
1) B. Micro Processor2) B. larger than micro but smaller than mainframe
3) D. all generations
4) A. silica
5) B. Internal memory
6) D. all of the above
7) C. has a program in its memory
8) B. it represents the decimal numbers through a string of binary digits
9) E. All of the above
10) D. Host
11) B. the programs are permanently stored
12) B. Random access memory
13) C. Program
14) C. Memory register
15) D. none of the above
16) A. is the most popular keyboard
17) C. Small and elegant
18) D. FROM
19) D. super computer
20) A. Magnetic disk
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