Computer Science MCQs

1. What is a computer?

A. Mechanical machine

B. Electronic machine

C. System device

D. None of these

2. A temporary store where data is held until it is ready to be processed is known as

A. Cache

B. Buffer

C. Cookie

D. RAM

3. Which one of the following is not a programming language?

A. BASIC

B. FORTRAIN

C. PASCAL

D. LASER

4. What is the shortcut key to extend your current selection by one word to the left?

A. Alt + Shift + Left Arrow

B. Ctrl + Shift + Up Arrow

C. Ctrl + Shift + Left Arrow

D. Alt + Ctrl + Left Arrow

5. Where does the display of the address of active cells in MS Excel?

A. Worksheet

B. Formula Bar

C. Name Box

D. All of these

6. In MS Excel, comments put in cells are called

A. Smart tip

B. Soft tip

C. Cell tip

D. Web tip

7. What acts as a buffer between the CPU and the main memory?

A. Buffer stock

B. Cache memory

C. RAM

D. ROM

8. In MS Word, portrait and landscape are 

A. Page orientation

B. Page landscape

C. Both A and B

D. None of these

9. What is the name of the programs that control the hardware of the computer?

A. Drivers

B. Operators

C. Connectors

D. None of these 

10. In which menu do you find slide design and slide layout in MS PowerPoint?

A. Slide show menu

B. Slide show cause

C. Both A and B

D. None of these

11. Another name used to call the free software is

A. Free software

B. Customised software

C. Download software

D. None of these

12. To prevent the invalid data, what does the computer show?

A. Red triangle

B. Yellow triangle

C. Blue triangle

D. None of these

13. To connect the internet, there must be

A. Internet service

B. Provider

C. Internet connection Modem

D. All of these

14. A normal CD-ROM can store data for up to

A. 680 MB

B. 700 MB

C. 500 MB

D. 650 MB

15. Who invented the supercomputer?

A. A. J. Garmerin

B. J. H. Van Tassel

C. W. L. Judson

D. None of these

16. Mark the term from the following that is not associated with the computers.

A. Database

B. Windows

C. Binary

D. Frankland reaction

17. The binary codes that are used in computer science are codes made up of which of the following numbers?

A. 0 and 9

B. 1 and 3

C. 0 and 1

D. 9 and 1

18. What is the name of the company to build the computer for the first time for commercial use?

A. UNIVAC (Later part of Remington Rand)

B. IBM

C. Hewlett-Packard

D. Apple Computers

19. Till now, how many generations of computers have been developed?

A. 06

B. 07

C. 05

D. 12

20. PC (Personal Computer) was originally a trade name of

A. Hewlett-Packard

B. Dell

C. Apple Computers

D. IBM

21. What is the name of the first truly electronic computer?

A. IBM

B. ENIAC

C. UNIVAC

D. EDSAC

22. World Wide Web (WWW) was created by the person known as

A. Marcein Hoff

B. Tim Berner

C. Robert Noyce

D. Ward Christenson

23. A hard disk becomes totally inaccessible when a computer virus corrupts its

A. File Allocation Table (FAT)

B. Partition Table 

C. Route Directory

D. Boot Sector

24. Microprocessor Intel 4004 was first introduced in 1971 in the generations of the computer that is

A. 3rd Generation

B. 5th Generation

C. 2nd Generation

D. 4th Generation

25. Our personal computer (PC) belongs to

A. 2nd Generation

B. 3rd Generation

C. 4th Generation

D. 5th Generation

26. The interface between computer and user is due to the 

A. Programming

B. Hardware

C. Memory

D. Microprocessor

27. BASIC is the abbreviation of

A. Basic Assembly Symbol for Instruction Code

B. Beginner’s Assemblers Symbols for Interpreter Code

C. Basic Assembler System for Instruction Compilation

D. Beginner’s All-Purpose Symbolic Instruction Code

28. What is input for a compiler?

A. Object Code

B. Source Program

C. Machine Language

D. Assembler

29. A bus with 32 data lines can transport how many bits at a time?

A. 8 bits

B. 16 bits

C. 1024 bits

D. 32 bits

30. The link between I/O devices and system board is provided by

A. Main memory

B. Secondary memory

C. Port

D. Communication Software

31. The first computer virus, named the Creeper virus, was created in 1971 in the

A. AT&TLab

B. IBM

C. BBN Technologies

D. Bell Laboratories

32. 1 KB is equal to the

A. 1024 MB

B. 1024 bytes

C. 1024 TB

D. 1024 KB

33. The famous Silicon Valley is situated in which state of the USA?

A. Ohio

B. New York

C. California

D. New Jersey

34. A byte consists of how many bits?

A. 9

B. 8

C. 7

D. 5

35. A bit can be

A. 0 only

B. 1 or 0

C. 1 only

D. None of these

36. Which one of the following is not the network topology?

A. Star

B. Ring

C. Circle

D. Bus

37. How many bits are there in one nibble?

A. 8 bits

B. 4 bits

C. 2 bits

D. 10 bits

38. The suitable ports for the computer is

A. Serial ports

B. Parallel ports

C. USB port

D. All of these

39. What do we call a combination of 16 bits?

A. Bit

B. Byte

C. Nibble

D. Word

40. What is the fastest type of computer memory?

A. RAM

B. Cache

C. ROM

D. Flash

41. A unit that control all parts of the computer is known as

A. CPU

B. CU

C. ALU

D. Register

42. 1024 bytes is equal to the

A. 1 Kilobyte

B. 1 Megabyte

C. 1 Terabyte

D. 1 Gigabyte

43. What is the name of the largest search engine?

A. Google

B. Yahoo

C. MSN

D. Bing

44. What is the name of the second largest search engine on the internet?

A. Bing

B. Google

C. Yahoo

D. MSN

45. Mostly the use of internet is for

A. Chat

B. Email

C. Business

D. Application

46. Which one of the following countries has the most computers in the world?

A. USA

B. Japan

C. China

D. India

47. What is the name of the biggest company of computers in the world?

A. IBM

B. Apple 

C. Hewlett-Packard

D. Dell

48. ROM is the abbreviation of

A. Read Over Memory

B. Read of Memory

C. Read Only Memory

D. Random After Memory

49. What does RAM stand for?

A. Read After Memory

B. Random Access Memory

C. Read Allow Memory

D. Random Allowed Modification

50. The shortcut key to delete a file without sending it to the recycle bin is

A. Ctrl + Alt + Del

B. Ctrl + Del

C. Shift + Del

D. Alt + Del