Important Questions on Computers for PUNSUP Exams
1. Which was the most popular first generation computer?
(1) IBM
1650
(2) IBM
360
(3) IBM
1130
(4) IBM
2700
(5) IBM
650
2. One millisecond is
(1) 10
seconds
(2) 100
seconds
(3) 1000
second
(4) 10000
seconds
(5) 1/1000
seconds
3. Offline device is
(1) A
device which is not connected to CPU
(2) A
device which is connected to CPU
(3) A
direct access storage device
(4) An
I/O device
(5) None
of these
4. Which part of the computer is used for calculating and
comparing?
(1) Disk unit
(2) Control unit
(3) ALU
(4) Modem
(5) None of these
5. Which of the following are the two main components of the CPU?
(1) Control Unit and Registers
(2) Registers and Main Memory
(3) Control unit and ALU
(4) ALU and bus
(5) None of these
6. Binary circuit elements have
(1) One stable state
(2) Two stable state
(3) Three stable state
(4) All of the above
(5) None of these
7. Which of the following is NOT a hardware of a computer?
(1) Monitor
(2) Key board
(3) Windows
(4) Central Processing Unit
(5) None of these
8. _____ processes data which is also called brain of the computer
(1) Motherboard
(2) Memory
(3) RAM
(4) Central Processing Unit (CPU)
(5) None of these
9. The ______ performs simple mathematics for the CPU
(1) ALU
(2) DIMM
(3) BUS
(4) Register
(5) None of these
10. Memory that cannot be processed directly by CPU is
(1) Internal
memory
(2) External
Memory
(3) Cache
Memory
(4) System
memory
(5) None
of these
11. A 32 bit microprocessor has the word length equal to
(1) 2
byte
(2) 32
byte
(3) 4
byte
(4) 8
byte
(5) None
of these
12. DVD stands for
(1) Digital
Versatile disk
(2) Digital
Video Disk
(3) Both
(1) and (2)
(4) Optical
storage
(5) None
of these
13. A string of eight )s and 1s is called a:
(1) megabyte
(2) byte
(3) kilobyte
(4) gigabyte
(5) None of these
14. A _____ is approximately a million bytes:
(1) gigabyte
(2) kilobyte
(3) megabyte
(4) terabyte
(5) None of these
15. The binary language consists of _____ digit(s).
(1) 8
(2) 12
(3) 1,000
(4) 1
(5) None of these
16. All modern computer operate on
(1) Information
(2) Floppies
(3) Data
(4) Word
(5) None of these
17. Instructions and memory address are represented by
(1) Character Code
(2) Binary Code
(3) Binary word
(4) Parity bit
(5) None of these
18. CD-ROM can store up to ______ MB of data.
(1) 700 MB
(2) 4000 floppy disk
(3) 320 MB
(4) (1) and (2)
(5) None of these
19. Which statement is valid?
(1) 1 KB = 1024 bytes
(2) 1 MB = 2048 bytes
(3) 1 MB = 1000 kilobytes
(4) 1 KB = 1000 bytes
(5) None of these
20. Second Generation computers were developed during
(1) 1949 to 1955
(2) 1956 to 1965
(3) 1965 to 1970
(4) 1970 to 1990
(5) None of these
ANSWER
1)
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5
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2)
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5
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3)
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1
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4)
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3
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5)
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3
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6)
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2
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7)
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3
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8)
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4
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9)
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1
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10)
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2
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11)
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3
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12)
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3
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13)
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2
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14)
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3
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15)
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2
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16)
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3
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17)
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2
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18)
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1
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19)
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1
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20)
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2
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