Introduction to Computer important MCQs in English/Hindi | Nielit Notes | PDF

In this post, we cover all important Questions from the topic "Introduction to Computer".

These MCQs will definitely help to pass IT and Computer students in any exam and interview that have an Introduction to Computer topic.

The Introduction to Computer chapter covers the following topics:

1. Computer and Latest IT gadgets.
2. Evolution of Computers & its applications.
3. IT gadgets and their applications.
4. Basics of Hardware and Software, Central Processing Unit.
5. Input devices, Output devices, Computer Memory & storage.
6. Application Software, Systems Software, Utility Software, Open source and                Proprietary Software.

7. Mobile Apps.

After completion of the Introduction to Computer unit, Students are expected to be familiar with the:

  • Identify computers, IT gadgets and explain their evolution and applications.
  • Get familiar with various input, output and hardware components of a computer along with storage devices.
  • Get familiar with various types of software, utilities used for computer and mobile apps.

Introduction to Computer MCQs

Here are the 25 most important and frequently asked MCQs from the  "Introduction to Computer" topic.

1. First Generation Computers used _______________.

a) VLSI technique

b) Integrated circuits

c) Transistors

d) Vacuum tubes

Ans.d) Vacuum tubes

2. A byte consists of...

a) One bit

b) Four bits

c) Eight bits

d) Sixteen bits

Ans. c) Eight bits

3. The term "red book", "yellow book" and "orange book" refers to


b) IDE

c) floppy drive

d) CD-ROM standards

Ans d) CD-ROM standards

4. The main circuit board in a computer is called a __.

 a) RAM

b) CPU

c) Motherboard

d) All of the above

Ans.c) Motherboard

5. Third Generation Computer used _______________.

a) VLSI technique

b) Integrated circuits

c) Transistors

d) Vacuum tubes

Ans.b) Integrated circuits

6. Which one is not a type of memory?

a) ROM 

b) Cache


d) Joy-stick

Ans.d) Joy-stick

7. A light-sensitive device that converts drawing, printed text or other images into digital form is

a) Keyboard 

b) Plotter

c) Scanner 

d) OMR

Ans.c) Scanner

8. Fourth Generation Computer used _____________.

a) VLSI or Microprocessors

b) Integrated circuits or Transistors

c) Transistors or Vacuum tubes

d) VLSI or Vacuum tubes 

Ans.a) VLSI or Microprocessors

9. Which Characteristic of computer distinguish it from electronic Calculators?

a) Accuracy

b) Versatility

c) Storage

d) Automatic

Ans.a) Accuracy

10. A DVD is an example of 

a) Solid-state storage device

b) Output device

c) Hard disk

d) Optical disk

Ans.d) Optical disk

11. Any data or instruction entered into the memory of a computer is considered as ?

a) Storage

b) Output

c) Input

d) information

Ans.c) Input

12. What kind of language can computer understand?

a) Normal language

b) High-level language

c) Computer language

d) Assembly language

Ans.d) Assembly language

13. Which of the following is an impact printer?

a) Laser

b) Ink-jet

c) Dot-matrix

d) None of the options

Ans.c) Dot-matrix

15. Fifth Generation of computer was based on which technology?

a) Artificial Intelligence

b) Programming Intelligence

c) System Knowledge


Ans. A) Artificial Intelligence

16. Which of the following is considered to be the first supercomputer developed in India?


b) SAGA 220


d) PARAM 8000

Ans.d) PARAM 8000

17. Which one is the invalid size of Cache memory?

a) 2048 Kilobytes

b) 3072 Kilobytes

c) 92162 Kilobytes

d) 512 Kilobytes

Ans.c) 92162 Kilobytes

18. Which of the following is the fastest memory?

a) Secondary Memory

b) Auxiliary Memory

c) Cache Memory

d) Virtual Memory

Ans.c) Cache Memory

19. 1 Petabyte (PB) = 1024 ____.

a) Zettabytes (ZB)

b) Exabytes (EB)

c) Terabytes (TB)

d) Gigabytes (GB)

Ans.d) Gigabytes (GB)

20. Second Generation Computer used ________.

a) VLSI technique

b) Integrated circuits

c) Transistors

d) Vacuum tubes

Ans.c) Transistors

21. Data items grouped together for storage purpose is called a 






22. One can copy files from one location to another using mouse. It is known as

a)Drag & drop 




Ans.a)Drag & drop 

23. Which of the following is a soft copy output device?

a) Daisy wheel printer

b) Plotter

c) Laser printer

d) Monitor

Ans.d) Monitor

24. The term GIGO is related to




d)Virtual Memory


25. Machine language is

a) Machine dependent

b) Difficult to program

c) Error prone

d) All of above

Ans.d) All of above 

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