Computer Awareness MCQ for Competitive Exams | Computer GK Questions

Computers have revolutionized modern life, making tasks simpler, faster, and more efficient. In today’s digital age, it is nearly impossible to imagine a world functioning without advanced computing systems. From personal tasks to the functioning of large organizations, computers have become indispensable. Any disruption in automated systems can pose significant challenges, highlighting their critical role in our lives.

Recognizing the growing importance of computers, competitive exams across various sectors, such as banking, SSC, railways, PSC, police, defense, and state government jobs, now regularly include a dedicated section on computer awareness. To help you prepare effectively, we have compiled some of the most expected and important questions for upcoming exams. These questions are designed to boost your confidence and enhance your chances of scoring well in the computer awareness section. If you’re gearing up for any competitive exam, make sure to go through this article thoroughly.

Computer Awareness MCQ for Competitive Exams

Q. Which was the world’s first successful electronic computer?

A. PARAM

B. CRAY-1

C. Pascaline

D. ENIAC electronic Numerical Integrator and computer

Ans: D

Q. Who among the following used the term computer worm for the first time?

A. John Brunner

B. Alan Turing

C. John McCarthy

D.  JP Eckert

Ans: A

Q. Which was first virus detected on ARPANET, the forerunner of the internet in the early 1970s?

A. Exe Flie

B. Creeper Virus

C. Peeper Virus

D. Trozen horse

Ans: B

Q. Find out the correct definition of Wide Area Network (WAN)?

A. It is a programming language with strong abstraction from the details of the computer.

B. It is a collection of computers interconnected with each other through cables to share their data, information and other common hardware resources.

C. A computer network that covers a broad area (i.e., any network, whose communications links cross metropolitan, regional or national boundaries).

D. A  computer network covering a small physical area like a home, office or small groups of buildings, such as a school or an airport.

Ans: C

Q. Select the example of application software of computer:

A. Ms Word

B. Ms Excel

C. Both A and B

D. MS-DOS

Ans: C

Q. Which of the following is also called translator?

A. Data representation

B. MS-DOS

C. Operating System

D. Language Processor

Ans: D

Q. How the quality of printer is measured?

A. Alphabet per strike

B. Words per Inch

C. Strike per Inch

D. Dots per Inch

Ans: D

Q. Who invented the mechanical calculator called Pascaline?

A. Charles Babbage

B. Blaise Pascal

C. Alan Turing

D. Lee De Forest

Ans: B

Q. Which part of the computer is considered its “brain”?

(a) Monitor

(b) CPU

(c) RAM

(d) Hard Drive

Ans: (b) CPU

Q. What is the full form of HTTP?

(a) HyperText Transfer Protocol

(b) Hyperlink Transfer Process

(c) High Transfer Text Protocol

(d) HyperText Test Protocol

Ans: (a) HyperText Transfer Protocol

Q. Which of the following is an input device?

(a) Printer

(b) Monitor

(c) Scanner

(d) Speaker

Ans: (c) Scanner

Q. What is the function of an operating system?

(a) Manage hardware and software resources

(b) Perform data analysis

(c) Provide Internet access

(d) None of the above

Ans: (a) Manage hardware and software resources

Q. Which storage device is used to store data permanently?

(a) RAM

(b) Hard Disk

(c) Cache

(d) ROM

Ans: (b) Hard Disk

Q. What is the binary number system based on?

(a) 8 digits

(b) 10 digits

(c) 2 digits

(d) 16 digits

Ans: (c) 2 digits

Q. Which of the following is NOT a programming language?

(a) Python

(b) Java

(c) HTML

(d) Windows

Ans: (d) Windows

Q. What does “LAN” stand for?

(a) Local Access Network

(b) Local Area Network

(c) Long Area Network

(d) Linked Area Network

Ans: (b) Local Area Network

Q. What is phishing?

(a) A method to clean your computer

(b) A type of malware

(c) Fraudulent attempt to obtain sensitive information

(d) A way to format a hard drive

Ans: (c) Fraudulent attempt to obtain sensitive information

Q. What is the shortcut key to copy in most computer systems?

(a) Ctrl + C

(b) Ctrl + X

(c) Ctrl + V

(d) Ctrl + Z

Ans: (a) Ctrl + C

Q. Which device is used to convert digital signals to analog signals for transmission?

(a) Modem

(b) Router

(c) Switch

(d) Hub

Ans: (a) Modem

Q. What is the primary function of a firewall?

(a) To boost computer speed

(b) To protect against unauthorized access

(c) To store data securely

(d) To clean temporary files

Ans: (b) To protect against unauthorized access

Q. Which of these is NOT a type of software?

(a) System software

(b) Application software

(c) Utility software

(d) Hardware software

Ans: (d) Hardware software

Q. What is the full form of USB?

(a) Universal System Bus

(b) Unified Serial Bus

(c) Universal Serial Bus

(d) Unified System Bus

Ans: (c) Universal Serial Bus

Q. What does “Ctrl + Z” do in most software applications?

(a) Undo the last action

(b) Redo the last action

(c) Copy the selected text

(d) Cut the selected text

Ans: (a) Undo the last action

These MCQs are tailored for competitive exams to help candidates improve their computer awareness and achieve better scores.