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

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 Computer MCQS

computer fundamentals questions and answers
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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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1. Inevitable- Avoidable
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