Computer MCQS For all Jobs Tests 2020 - For PPSC NTS FPSC

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 Computer MCQS

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1-

The brain of any computer system is?

Answer-CPU

2-

Which of the following computer language is used for artificial intelligence?

Answer- PROLOG

3-

Who is known father of artificial intelligence?

Answer-McCarthy

4- Which operating system first apple company introduced?

Answer- Mac Os

5-

 Spreadsheets are called in which part of Ms Office?

Answer-Excel

6-

 Move the focus to select each of the following areas of the window?

Answer- F6

7-

 New Slide is in which menu?

Answer-Insert

8-

How can we delete characters from right of the cursor?

Answer- Del Key

9-

 What is the real name of mouse pointer?

Answer-Cursor

10-

How many columns and rows are in Excel?

Answer-256 Columns and 65536 Rows

11-

 Quikly create a Microsoft excel formula to get the sum of all cells by highlighting the cells you want to

know the value of and pressing?

Answer- Alt and = together

12-

Footnotes located under?

 Insert Menu

13-

The tracks on a disk which can be accessed without repositioning the R/W heads are?

Answer-Cylinder

14-

Which part interprets program instructions and initiate control operations?

Answer- Control unit

15-

The binary system uses powers of?

Answer-Base 2 ( 0 & 1 )

16-

A computer program that converts assembly language to machine language is?

Answer-Assembler

17-

The time required for the fetching and execution of one simple machine instruction is?

Answer- CPU cycle

18-

Binary numbers need more places for counting because?

Answer- Binary base is small

19-

Which access method is used for obtaining a record from a cassette tape?

Answer-Sequential

20-

The section of the CPU that selects interprets and sees to the execution of program instructions?

Answer-CU

21-

The term referring to evacuating the content of some part of the machine is known as?

Answer-Dump

22-

A single packet on a data link is known as?

Answer- Frame

23-

The process of communicating with a file from a terminal is?

Answer- Interrogation

24-

A common boundary between two systems is called?

Answer-Interface

25-

Which computer has been designed to be as compact as possible?

Answer-Micro computer

26-

Which method is used to connect a remote computer?

Answer-Dialup

27-

The symbols used in an assembly language are?

Mnemonics

28-

A general purpose single-user microcomputer designed to be operated by one person at a time is? Answer-PC

29-

ASCII stands for?

Answer- American standard code for information interchange

30-

Which device of computer operation dispenses with the use of the keyboard?

Answer- Mouse

31-

The list of coded instructions is called?

Answer-Computer program

32-

An optical input device that interprets pencil marks on paper media is?

Answer-O.M.R

33-

Most important advantage of an IC is its?

Answer-Extremely high reliability

34-

A program that converts computer data into some code system other than the normal one is known as?

Answer-Encoder

35-

A device designed to read information encoded into a small plastic card is?

Answer-Badge reader

36-

A hybrid computer uses a _____ to convert digital signals from a computer into analog signals? Answer-Modem

37-

A group of magnetic tapes, videos or terminals usually under the control of one master is? Answer-Cluster

38-

Any device that performs signal conversion is?

Answer- Modulator

39-

A code consisting of light and dark marks which may be optically read is known as?

Answer- Bar code

  

40-

The first generation of computers available was based on the bit micro processors?

Answer- 8

41-

The complete picture of data stored in database is known as?

Answer- Schema

42-

A language which is close to that used within the computer is?

Answer- Low-level language

43-

The device that can both feed data into and accept data from a computer is?

Answer- Input-Output device

44-

A modern digital computer has? Extremely high speed B. Large memory C. Almost unlimited array

Answer- All of the above

45-

Which of the following can store information in the form of microscopic pits on metal disks? Answer- Laser disks

46-

A storage system for small amounts of data is?

Answer- Magnetic card

47-

Compilers and interpreters are themselves?

Answer- Programs

48-

A compiler means?

Answer- A program which translates source program into object program

49-

A pen shaped device which can sense light, and is used to point at spots on a video screen?

Answer- Light pen

50-

Computer memory consists of?

Answer- RAM B. ROM C. PROM D. All of the above

51-

A path by which communication is achieved between a central processor and other devices is called?

Answer- Bus

52-

A memory that does not change its contents without external causes is known as?

Answer- Static memory

53-

RAM is used as a short memory because it is?

Answer- Volatile

54-

Which is a device that changes information into digital form?

Answer- Digitizer

56-

Which network is a packet switching network?

Answer- EuroNET

57-

Symbolic languages were developed in?

Answer- 1950

58-

What is the name given to the molecular-scale computer?

Answer- Nanocomputer

59-

The first microprocessors produced by Intel Corps. And Texas Instruments were used primarily to control

small?

Answer- Calculators

60-

Which printer uses a combination of laser-beam & electro photographic techniques?

Answer- Laser printers

61-

A billionth of a second is defined as a?

Answer- Nanosecond

62-

Where have the program and data to be located before the ALU and control unit of a computer can operate

on it?

Answer- Internal memory

63-

When was Apple Macintosh II microcomputer introduced in the market?

Answer- 1983

64-

Human beings are referred to as Homosapiens. Which device is called Silicon sapiens?

Answer- Computer

65-

The most important advantage of a video disk is?

Answer- Potential capacity

66-

Time during which a job is processed by the computer is?

Answer-  Execution time

67-

Backing storage is so named because it?

Answer- backs up the computer's main memory

68-

The ASCII code for the character J is?

Answer- 1010 0001

69-

Which is the user programmed semiconductor memory?

Answer- EPROM

70-

The two kinds of main Memory are?

Answer- ROM and RAM

71-

A monitor's _____ is the distance between the holes in the mask behind the screen. This helps determine

how sharp the dots appear?

Answer- dot pitch

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