Public Service Commission
Computer Operator (Bibidh Sewa) 2070
Competitive Written Exam Held on 2070-01-28
Time: 45 minutes
FM: 50
Objective Questions (50 x 1 = 50 marks)
Correct Answers are Marked as Bold
1. A small
or intelligent device is so called because it contains within it a
a.
Computer
b.
Microcomputer
c.
Programmable
d. Sensor
2. Each IP
packet must contain
a. Only
source address
b. Only
destination address
c. Source
and destination address
d.
Source or destination address
3. The two
basic types of record access methods are
a.
Sequential and random
b.
Sequential and indexed
c. Direct
and immediate
d. Online
and realtime
4. Which
of the following memories needs refresh
a. SRAM
b.
DRAM
c. ROM
d. All of
above
5. First
Generation computers used to have processing speed in
a.
Microsecond
b.
Millisecond
c.
Nanosecond
d.
Picosecond
6. USB
stands for
a. Unique
serial bus
b. Unique
save data
c.
Universal serial bus
d. Ultra
serial bus
7. Which
of the following is an example of operating system
a. DOS
b. OS/2
c. Unix
d.
All of Above
8. Which
one is not an output device
a. Printer
b.
Keyboard
c. Monitor
d. None of
above
9. Which
of the following looses its contents when the computer is turned off
a.
RAM
b. ROM
c. PROM
d. All of
above
10. CPU
consists of
a. ALU
b. CU
c. MU
d.
All of above
11. What
is the main objective of IT Policy 2000
a. To
increase employment
b. To
build knowledge based society
c. To
established knowledge based indistry
d.
All of the above
12. Which
of the following is network topology
a. BUS
b. Star
c.
Both of above
d. None of
above
13. WAN
stands for
a. Widely
accessible network
b.
Wide area network
c. Wire
& network
d. Wire
Accessible Network
14. FAT
and NTFS in Windows is type of
a. Disk
tool
b.
Storage format
c.
Internal windows command
d.
Utilities
15. The
principle of locality of reference justifies the use of
a. Virtual
memory
b.
Interrupts
c. Main
memory
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