PPSC lecturer Computer Science Past Papers

1).  A computer can be defined as an electronic device that can (choose the most precise definition)

a). carry out arithmetic operation

b). Carry out logical operation

c). Do complicated calculation

d). Accept and process data by implementing sequentially a set of stored instructions.

2).  A computer is capable of performing almost any task, provided that it can be

a). Coded

b). memorized

c). memory

d). all of the above

3).  A computer is capable of performing almost any task, provided that it can be

a). MS Word

b). MS Excel

c). MS Power Point

d). Both b & a

4).  The Computer program consists of mainly following number of parts:

a). 2

b). 3

c). 4

d). 5

5).  A computer has very high speed, accuracy and reliability. Its intelligent quotient could be of the order of:

a). 0

b). 10

c). 15

d). 20

6).  Raw data is processed by the computer into:

a). Number sheets

b). Updates

c). Paragraphs

d). Information

7).  Rearranging of data in a sequence is called:

a). Updating

b). Editing

c). Batching

d). Sorting

8).  A data arranged in intelligible form is called:

a). Processed data

b). Program

c). Software

d). Information

9).  The most powerful computer are:

a). Super minis

b). super micros

c). super mainframes

d). super computers

10).  The basic operation performed by a computer is

a). Arithmetic operations

b). Logic Operations

c). Storage and retrieval operations

d). All of above

11).  A CPU has:

a). Control unity of program counter and instruction decoder, and arithmetic unit having accumulator: 

b). Bubble memory

c). Visual Display Unit

d). Auxiliary Storage Unit

12).  The central processing unit (CPU) comprises of:

a). memory, VDU and printer

b). input device, output device, and memory

c). store, arithmetic and logic unit and control unit

d). store, arithmetic and logic unit, and control unit

13).  The entire computer system is coordinated by:

a). the ALU

b). the accumulator

c). arithmetic operators

d). the control unit

14).  During E-time the ALU

a). examines the instruction

b). enters the instruction

c). executes the instruction

d). elicits the instruction

15).  The heart of digital computer is:

a). control unit

b). memory unit

c). logic unit

d). visual display unit

16).  The unit that transforms data into information is the:

a). CPU

b). ROM

c). DVD

d). OCR

17).  Computers operations are synchronized by:

a). the CPU clock

b). Megabytes

c). the binary system

d). E-time

18).  Another name for a logic chip is:

a). PROM

b). Memory

c). Microprocessor

d). ROM

19).  Which of the following is a spreadsheet?

a). Microseconds

b). Kilobytes

c). bits

d). cycles

20).  The number of bytes in the following number (1111,1011,0111,01000,1010) is:

a). 5

b). 2/1/2

c). 10

d). 1/2/4

21).  The equipment attached to CPU which computer can access are called

a). hardware

b). input / output device

c). peripherals

d). computer components

22).  An example of peripheral equipment:

a). CPU

b). Spreadsheet

c). printer

d). microcomputer

23).  Which of the following does not represent an I/O device:

a). Speaker

b). OCR

c). Joystick

d). ALU

24).  Laser beam technology is used for:

a). terminals

b). optical disk

c). keyboards

d). magnetic type

25).  Voice input devices convert voice input to:

a). Digital code

b).  OCR-A

c). Bar Codes

d). Optical Marks


Lecturer Computer Science Practice Test No. 1

Lecturer Computer Science Practice Test No. 2

Lecturer Computer Science Practice Test No. 3

Lecturer Computer Science Practice Test No. 4

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