50 most important MCQs on Computer Science (CS) - Unit 1

In this educational blog, I'm going to share with you the list of 50 most important Multiple Choice Questions (MCQ) related to Computer Science. I am pretty sure that you wouldn't have heard about most of the questions. These questions will helpful for the students of CS/IT from intermediate to master level, and it would truly help for the preparation of job tests, entry tests, and interview questions i.e NTS, FPSC, PPSC, SPSC, KPSC, BPSC, PTS, NAT, GAT, ECAT, PSU, IES, IPS, GATE, etc.

1. The term "Computer" is derived from _____ language?        

a) Greet              b) Latin

c) German          c) Spanish

2. Who is regarded as the Father of Computer Science?

a) Charles Babbage    b) Alan Turing

c) Vint Cerf                  d) Pascal   

3. Which of the following operators are used to evaluate the compound conditions?

a) Relational operators    b) Arithmetic operators

c) Logical operators      d) Assignment operators

4. Which of the following register stores the result of ALU operations?

a) Data Address register    b) Data register

c) Accumulator register  d) Instruction register

5. The analog signal is measured in?

a) Hertz               b) Volt

c) Bits                  d) Watt

6. In which of the following coding schemes uses a 4-bit code?

a) ASCII               b) Unicode

c) BCD                 d) EBCDIC

7. The format-C is an example of virus _________?

a) Chernobyl            b) Logic Bomb

c) Boot Sector          d) Trojan Horse

8. PARAM is an example of _______?

a) Mini Computer          b) Super Computer

c) MainFrame                d) Workstation

9. The computer is free from boredom and tiresome, we call it?

a) Diligence               b) Reliability

c) Optimization           d) Integrity 

10. The digital computers were primarily developed in______?

a) Russia               b) Germany

c) USA                  d) England

11. A set of information which explains the status of resource allocated

to a process is called________?

a) Process control         b) Process Description

c) Process Unit              d) Process Set

12. The industry of "personal computer" was started by_____?

a) Microsoft          b) Apple Inc.

c) IBM                  d) Dell

 

13. How many rods are there in each set of Napier’s bones?

a) 9                   b) 10

c) 11                 d) 12

14. Who suggested the Stored-Program concept?

a) Alan Turing       b) John Neumann

c) Vint Cerf            d) Charles Babbage

15. The engaging features such as a keyboard, monitors, GUI were developed in

generation of computer?

a) First Gen          b) Second Gen

c) Third Gen        d) Fourth Gen

16. Registered Jack (RJ) data cable contains how many pairs?

a) 4                 b) 5

c) 6                 d) 6

17. In computer storage system, 1 nibble is equal to ________?

a) 2 bits           b) 4 bits

c) 6 bits           d) 8 bits

18. Circular division of the disk to store and retrieve data is called?

a) Sectors         b) Tracks

c) Range           d) Flops

19. The Internet Standards term "RFC" stands for___?

a) Request For Commands    b) Request For Control

c) Request For Comments  d) Request For Cancel

20. Who invented a supercomputer?

a) J.H. Van Tassel     b) Charles Ginsberg

c) Alan Turing             d) P.T Farnsworth

21. The time in which the job is being processed by the computer is called?

a) Delay Time      b) Down Time

c) Low Time        d) Execution Time

22. Each model of the computer has a unique____language?

a) Assembly        b) Machine

c) High-level        d) Pseudo

23. In networking, the terminators are used in_____topology?

a) Bus             b) Star

c) Tree             d) Mesh

24. The print server utilizes _____ which is a memory that holds data

before it is sent to the printer?

a) Node           b) Queue

c) Spool          d) None of These  

25. Which of the following allows LAN users to share data and programs?

a) Communication Server    b) File Server

c) Print Server                      d) Email Server

26. Which of the below-mentioned technology is used in compact disks?

a) Electrical            b) Laser

c) Mechanical         d) Electro Magnetic   

27. Who is regarded as the father of the Internet? 

a) Charle Babbage    b) Alan Turing

c) Vint Cerf               d) Pascal

28. Who invented the High-level Language "C"?

a) Seymour Papert     b) Donald Kunth

c) Dennis Ritchie      d) William Woods

29. What is the computer alternative jargon for "Bug"?

a) Slug               b) Glitch

c) Leech             d) Spam

  

30. Which is the data mining method that derives rules from real-world examples?

a) Use Case               b) Neural nets

c) Rule discover         d) Real nets

31. Which of the below mentioned is used to identify a user who returns to the website?

a) Scripts              b) Plug-in

c) Cookies           d) ASPs

32. The device that is used to carry digital signals on the analog channel is known as ____?

 

a) Modulator        b) MUX

c) Modem           d) Demultiplexer

33. What test is performed by the booting process at the time when the computer turns on?

a) BIOS Test         b) POST Test

c) Integrity Test     d) Reliability Test

34. A computer system that is obsolete and may be unsatisfactory is called?

a) Old Computer       b) Ancient system

c) Legacy system    d) Historical system

35. The generic name for stealing passwords online is called?

a) Hacking             b) Hijacking

c) Spooling            d) Spoofing  

36. That software that is not as permanent as hardware but stays in the Read Only

Memory (ROM) are known as______?

a) Adware               b) Shareware

c) Firmware           d) Freeware

37. Which of the following 8-bit encoding format used to store data in 

the computer system?

a) BCD               b) EBCDIC

c) ANCI              d) Unicode

38. The computer virus that holds the record for being the most widespread virus is?

a) Melissa              b) Christmas

c) FormatC            d) I love you

39. Which of the following is regarded as the extremely fast RAM?

a) Registers            b) Cache

c) Heaps                 d) Buffer

40. Who is regarded as the father of the Computer?

a) Alan Turing         b) Charles Babbage

c) Vint Cerf              d) Pascal

41. what does the vector graphics composed of______?

a) Pixels             b) Palette

c) Paths             d) Both a & c

42. By default, how many worksheets are there in the excel workbook?

a) One                  b) Two

c) Three               d) Four

43. The place where the World Wide Web was came into existence?

a) NASA             b) CERN

c) Pentagon        d) Microsoft

44. Which of the following technology provides the solution for

PC virtualization?

a) Clustering         b) Hyper-Visor

c) RAID                 d) Hologram

45. Which of the following is the world's first Web Browser?

a) Netscape             b) Internet Explorer

c) Mosaic                d) Safari  

46. Through how many methods you can save a file?

a) 2                b) 3

c) 4                d) 5

47. Which of the following firmware contains the computer's startup

instructions?

a) POST           b) CMOS

c) BIOS            d) DIOS

48. The computer monitor is also known as _______?

a) UVD              b) DVU

c) VDU              d) CCTV

49. Which of the underneath is not a programming language?

a) BASIC             b) LASER

c) Pascal              d) FORTRAN  

50. Which of the following is truly an electronic computer?

a) UNIVAC         b) ENIAC

c) ENICA            d) UNIAC

  

            

 NOTE: I hope that after reading these questions answers you will have got really useful knowledge that gonna help you crack competitive exams. Please post a comment below and let me know if you like this blog and/or any suggestion or request you want to give?