1000+ basic to advance Computer Fundamental MCQ Part :1

1. Which of the following is equal to a gigabyte?

A

1024 bytes

B

512 GB

C

1024 megabytes

D

1024 bits

Answer:

The correct option is C.

Note
Description: One gigabyte is made up of 1024 megabytes. 1024 KB = 1 MB 1024 MB = 1 GB

2. Which of the following numbers is a binary number?

A

1 and 2

B

0 and 0.1

C

2 and 0

D

0 and 1

Answer:

The correct option is D.

Note
Description: Binary numbers are represented by 0 and 1. The computer only works on binary numbering systems because according to electronics, any signal can either be in the on state or in the off state.

3. What is the full form of SRAM?

A

Static Remote-Access Memory

B

Setup Random-Access Memory

C

Static Random-Access Memory

D

Setup Remote-Access Memory

Answer:

The correct option is C.

Note
Description: The full name of SRAM is static random-access memory. It needs a constant power to work. Due to continuous power, it does not need to be refreshed.

4.What is the full form of USB?

A

Unshielded System Board

B

Universal System Board

C

Unidentified System Bus

D

Universal System Bus

Answer:

The correct option is D.

Note
Description: The full name of USB is Universal Serial Bus. It is a common interface that allows the communication between two devices.

5. Who is the father of Computers?

A

Dennis Ritchie

B

Bjarne Stroustrup

C

Charles Babbage

D

Dennis Ritchie

Answer:

The correct option is C.

Note
Description: Charles Babbage is known as the father of computers. Charles Babbage designed and built the first mechanical computer and Difference Engine

6. Which of the following language does the computer understand?

A

Computer understands only C Language

B

Computer understands only Assembly Language

C

Computer understands only Binary Language

D

Computer understands only BASIC

Answer:

The correct option is C.

Note
Description: The Computer understands only binary language which is written in the form of 0s and 1s. A computer can understand assembly language but an assembler is required which convert the assembly language to binary language. Similarly, for understanding high level languages, compilers/interpreters are required.

7. Which of the following computer language is written in binary codes only?

A

Pascal

B

Machine language

C

C

D

C#

Answer:

The correct option is B.

Note
Description: Machine Language is written in binary codes only. It can be easily understood by the computer and is very difficult for us to understand. A machine language, unlike other languages, requires no translators or interpreters.

8. Which of the following is the smallest unit of data in a computer?

A

Bit

B

KB

C

Nibble

D

Byte

Answer:

The correct option is A.

Note
Description: A bit is defined as the smallest unit of data in a computer system. It is used as a short form of Binary Digit. A bit can have only two values 0 or 1. A nibble comprises 4 bits, a byte is a collection of 8 bits whereas KB (Kilobyte) is equal to 1024 bytes.

9. Which of the following is not a type of computer code?

A

EBCDIC

B

BCD

C

ASCII

D

EDIC

Answer:

The correct option is D.

Note
Description: There is no coding scheme like EDIC. EBCDIC stands for Extended Binary Coded Decimal Interchange Code. BCD stands for Binary Coded Decimal. ASCII stands for American Standard Code for information interchange.

10. Which of the following devices provides the communication between a computer and the outer world?

A

Compact

B

I/O

C

Drivers

D

Storage

Answer:

The correct option is B.

Note
Description: The I/O i.e. the input/output devices provide a means of communication between the computer and the outer world. They are often referred to as peripheral devices sometimes.

11. Which of the following type of computer is mostly used for automatic operations?

A

analog

B

digital

C

hybrid

D

remote

Answer:

The correct option is C.

Note
Description: Hybrid computer is mostly used with automatic operations of complicated physical processes and machines.

12. Which of the following is the smallest visual element on a video monitor?

A

Character

B

Pixel

C

Byte

D

Bit

Answer:

The correct option is B.

Note
Description: A pixel is the smallest portion of the screen. The name Pixel is made from the "Picture element" and is also called the PEL. All screen is made by putting millions of pixels together in a matrix form.

13. Which type of program acts as an intermediary between a user of a computer and the computer hardware?

A

Operating system

B

User thread

C

Superuser thread

D

Application program

Answer:

The correct option is A.

Note
Description: An OS is a kind of program that acts as an intermediary for computer hardware and computer user. The purpose of an operating system is to provide a user-friendly and effective environment.

14.Which of the following is not one of the internal components of a CPU?

A

Control sequencer

B

M-D-R

C

M-A-R

D

Floppy disk

Answer:

The correct option is D.

Note
Description: Floppy disk is not an internal components of a CPU. It is a component of the secondary storage and external storage. It is a kind of data storage device.

15. What is the speed of computer measured in

A

Nanoseconds

B

Kilo-seconds

C

Gigahertz

D

Megabytes

Answer:

The correct option is C.

Note
Description: The computer clock speed is normally calculated in gigahertz (GHz) or megahertz (MHz). a gigahertz is equal to one billion ticks per second, and a megahertz is equal to one million ticks per second

16. What is the full form of RAM?

A

Remote Access Memory

B

Random Access Memory

C

Remote Access Memory

D

Random Access Memory

Answer:

The correct option is B.

Note
Description: The full name of RAM is random access memory. It is a hardware device located in a computer that stores data temporarily. Temporary means it only stores data for some time. RAM is also called main memory, primary memory, or system memory.

17. Which of the following is not considered hardware?

A

Operating system

B

CPU

C

Keyboard

D

Hard disk

Answer:

The correct option is A.

Note
Description: The operating system (OS) is a software that acts as an interface between a computer and a user. It is also called system software. OS is the first program to be loaded into a computer. It manages all the operations of the computer.

18. Which one of the following is not a form of data storage media?

A

A database

B

Magnetic tape

C

Magnetic disc

D

Optical disc

Answer:

The correct option is A.

Note
Description: A database is a collection of information that is organized in such a way that information can be easily accessed, managed, and updated. In the database, we can quickly and easily select the desired data. For example, the dictionary is analogous to a database that is like a file.

19. What is five main components of a computer system?

A

CPU, CD-ROM, Mouse, Keyboard, Sound card

B

Memory, Video card, Monitor, Software, Hardware

C

Modem, Keyboard, Word Processor, Printer, Screen

D

CPU, Memory, System bus, Input, Output

Answer:

The correct option is D.

Note
Description:

20. Which one of the following is the best fire extinguisher for IT equipment?

A

Dry powder

B

Bromo chloride

C

CO2

D

Water

Answer:

The correct option is C.

Note
Description: None