Most Repeated Computer MCQs from all Past Papers

Important and Repeated Computer Questions

Questions from Computer Portion are mandatory for all kind of job tests in all test-taking Organizations. We have collected some most repeated Questions from the past papers of all testing Organizations. We have compiled those questions for the job aspirants for their upcoming job test. These questions can play an important role in your next job test. 

repeated questions 2019

1.    A modulator is used to convert?
a)    Analog signal to digital signal
b)    Digital signal to analog signal
c)    Both a and b
d)    None of the above

2.    Which one of the following is a dot matrix printer?
a)    Drum Printer
b)    Impact Printer
c)    Inkjet Printer
d)    Laser Printer

3.    What is the abbreviation of CRT?
a)    Crystal Rays Tube
b)    Clarity Rays Tube
c)    Cathode Rays Tube
d)    None of the above

4.    Which of the following program translate one statement of program instructions at a time into machine language?
a)    Simulator
b)    Compiler
c)    Interpreter
d)    CPU

5.    What is the abbreviation of NTFS?
a)    New Technology File System
b)    Network File Saving
c)    New Trend File Saving
d)    None of the above

6.    In MS windows what is the function of the F1 key?
a)    Refresh
b)    Save
c)    Exit
d)    Help

7.    1 Gigabyte of data is equal to?
a)    1024 Megabyte
b)    1024 Kilobyte
c)    1024 bytes
d)    1024 bits

8.    In the computer most widely used code to represent the characters?
a)    EBCDIC
b)    BCD
c)    ASCII
d)    None of these

9.    What type of reader is used to read the bank cheque?
a)    Bar-code-reader
b)    Magnetic-ink reader
c)    Optical –mark reader
d)    None of the above

10.  Which device store the information that helps the computer startup?
a)    Hard Disk
b)    ROM
c)    RAM
d)    Keyboard

11.  The process of moving data and instructions between storage and memory is called?
a)    Exchanging
b)    Pipelining
c)    Swapping
d)    Volatility

12.  Which of the following device notify the system software, when the key is pressed?
a)    Keyboard Handler
b)    Keyboard Buffer
c)    Keyboard Controller
d)    Keyboard

13.  Which of the following company introduced DOS?
a)    IBM
b)    Bell Lab
c)    Microsoft
d)    Xerox

14.  The operating system based on the open-source software is?
a)    Linux
b)    Windows NT
c)    Windows 2000
d)    Unix
15.  The time taken by a device to begin reading data is called?
a)    Write Time
b)    Access Time
c)    Read Time
d)    Seek Time

16.  The raid technology which contributes to fault tolerance is?
a)    Data Stripping
b)    Tolerant Computing
c)    Disk Mirroring
d)    None of the above

17.  What is the abbreviation of WAN?
a)    Metropolitan Area Network
b)    Manufactured Arrangement of Networks
c)    Marked Area Network
d)    None of the above

18.  Which of the following software is used for workgroup computing?
a)    Groupware
b)    Freeware
c)    Shareware
d)    Both a & b

19.  The standards that were developed without any formal planning are?
a)    ISO
b)    De Jure
c)    De Facto
d)    Both a & b

20.  Identify the LAN protocol from the following?
a)    Token Ring
b)    ARC net
c)    Ethernet
d)    All of the above

21.  The bottom-most layer of the ISO system is called?
a)    Transport Layer
b)    Physical Layer
c)    Network Layer
d)    Data Link Layer

22.  In which of the following data is transmitted block by block?
a)    Asynchronous
b)    Synchronous
c)    Analog
d)    Digital

23.  Which of the following is an important property of Optical Fiber Cable?
a)    Interference
b)    Reflection
c)    Refraction
d)    None of the above

24.  In which of the following analog data is converted into digital?
a)    Conversion
b)    Digitalization
c)    Demodulation
d)    Modulation

25.  The memory that can be re-written by using the electrical device?
a)    EPROM
b)    EEPROM
c)    ROM
d)    PROM

26.  Which of the following is a polymorphic virus?
a)    Logic Bomb
b)    Chernobyl
c)    Trojan Horse
d)    Rudolf

27.  World Wide Web uses which of the following protocol?
a)    HTTP
b)    FTP
c)    Ethernet
d)    TCP/IP

28.  Which of the following primary key consists of more than one attribute?
a)    Global Key
b)    Multivalued Key
c)    Composite Key
d)    Foreign Key

29.  An attribute in the database is also called?
a)    Field
b)    Row
c)    Relation
d)    Tuple

30.  Who developed the C language?
a)    John Backus
b)    Charles Babbage
c)    Dennis Ritchie
d)    Van Neumann

31.  A space allocated for some data that can be changed is called?
a)    Floating Point
b)    Integer
c)    Constant
d)    Variable

32.  Which of the following allows to extract specific information from the database?
a)    Records
b)    Reports
c)    Forms
d)    Queries

33.  The instructions which are given to the compiler before the start of accrual, the program is called?
a)    C instruction
b)    Linking Instruction
c)    Preprocessor Directive
d)    C statement

34.  Which of the following key combination is used to run C program?
a)    Ctrl+F9
b)    Alt+F5
c)    Ctrl+S
d)    Alt+F9

35.  In the different table, different attributes having the same names are called?
a)    Mutual Exclusive
b)    Homonym
c)    Synonym
d)    Acronym

36.  What is an SQL?
a)    Software
b)    Object-Oriented Langauge
c)    Structured Language
d)    Unstructured Language

37.  The Loop which continues and never ends is called?
a)    Nested Loop
b)    Running Loop
c)    Continues Loop
d)    Infinite Loop

38.  Which of the following term is also used for a conditional operator?
a)    Ternary
b)    Selective
c)    Iteration
d)    Binary

39.  How many total keywords are in C?
a)    50
b)    32
c)    66
d)    54

40.  What is the abbreviation of CIM?
a)    Computer Intel Marketing
b)    Computer International Management
c)    Copy in Memory
d)    Computer Integrated Manufacturing

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