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Basic Computer Questions – 100 Computer Questions and Answers PDF
By BYJU'S Exam Prep
Updated on: October 31st, 2023

Basic Computer Questions: In today’s world, computers have become an essential part of our daily lives. As a result, many competitive exams include a section on basic computer knowledge to assess the candidates’ understanding of computer systems and their applications. It is crucial for aspirants to be familiar basic computer questions to avoid losing marks in the exam.
Furthermore, having fundamental computer knowledge can make tasks much easier in today’s era. Hence, everyone who aims to improve their computer knowledge must solve these computer GK questions. To access these important computer questions at your convenience, you can download the 100 computer questions and answers PDF below.
Table of content
Basic Computer Questions
Computers have become an integral part of our daily lives, and the importance of computer-related questions cannot be overstated. These questions help individuals gain a deeper understanding of how computers function, their capabilities, and their limitations.
In today’s world, where technology is rapidly advancing, having basic computer knowledge is essential. Understanding the basics of computers promotes effective working methods, simplifying daily tasks and leaving more time for other facets of your career. Moreover, basic computer questions are frequently asked in competitive exams. Thus, you are advised to have a thorough knowledge of it and attempt basic computer questions and answers.
100 Computer Questions and Answers
The invention of the computer brought a revolution in human civilization. It has assisted in the development of several life-altering inventions as well as great human problems. To acquaint candidates with basic knowledge about computer, we have compiled a list of 100 computer questions and answers.
These questions have been picked up from the SSC previous years papers and they cover a wide range of topics and are designed to test the candidate’s knowledge and understanding of computers. Some of the questions are as follows:
Question 1
What does CPU stand for?
A. Computer Processing Unit
B. Central Processing Unit
C. Computer Processing User
D. Central Processing User
Answer: B
Question 2
What is the full form of RAM?
A. Random Access Memory
B. Read Access Memory
C. Random Authorization Memory
D. Read Authorization Memory
Answer: A
Question 3
Which device is used to input data into a computer?
A. Monitor
B. Printer
C. Keyboard
D. Speaker
Answer: C
Question 4
Which component of a computer is responsible for storing data permanently?
A. RAM
B. CPU
C. Hard Disk
D. CD-ROM
Answer: C
Question 5
What is the full form of USB?
A. Universal Serial Bus
B. United States of America Business
C. User Serial Business
D. Universal Serial Battery
Answer: A
Question 6
What is the function of a modem in a computer?
A. To connect to the Internet
B. To print documents
C. To store data
D. To play music
Answer: A
Question 7
Which of the following is a type of software?
A. Mouse
B. Keyboard
C. Operating System
D. Monitor
Answer: C
Question 8
Which of the following is not an input device?
A. Mouse
B. Scanner
C. Printer
D. Joystick
Answer: C
Question 9
Which of the following is a programming language?
A. Java
B. Monitor
C. Keyboard
D. Printer
Answer: A
Question 9
Which of the following is a type of computer memory?
A. Input Memory
B. Output Memory
C. Virtual Memory
D. Secondary Memory
Answer: C
Question 10
What is a browser?
A. A type of software
B. A type of hardware
C. A type of network
D. A type of modem
Answer: A
Question 11
Which of the following is a type of network?
A. LAN
B. CPU
C. USB
D. RAM
Answer: A
Question 12
Which of the following is an output device?
A. Keyboard
B. Mouse
C. Printer
D. Scanner
Answer: C
Question 13
Which of the following is a type of storage device?
A. Mouse
B. Keyboard
C. CD-ROM
D. Printer
Answer: C
Question 14
What is the full form of PDF?
A. Portable Document Format
B. Portable Data Format
C. Personal Document Format
D. Personal Data Format
Answer: A
Question 15
Which of the following is a type of computer virus?
A. Trojan
B. Keyboard
C. Mouse
D. Printer
Answer: A
Question 16
What is the function of a firewall in a computer?
A. To block unauthorized access
B. To print documents
C. To store data
D. To play music
Answer: A
Question 17
What is the full form of LAN?
A. Local Area Network
B. Local Authorization Network
C. Logical Area Network
D. Logical Authorization Network
Answer: A
Question 18
Which of the following is not a web browser?
A. Google Chrome
B. Microsoft Word
C. Mozilla Firefox
D. Internet Explorer
Answer: B
Question 19
Which of the following is not a search engine?
A. Google
B. Yahoo
C. Bing
D. Windows
Answer: D
Question 20
What is the function of a mouse in a computer?
A. To input data
B. To output data
C. To store data
D. To navigate
Answer: D
Question 21
The Third Generation Computer was made with____.
A. Vacuum Tube
B. Discrete Components
C. Integrated circuits
D. Bio Chips
Answer: C
Question 22
Which of these languages uses a two-step compilation process both interpreter and compiler?
A. COBOL
B. BASIC
C. Java
D. C++
Answer: C
Question 23
A hacker that changes or forges information in an electronic resource, is engaging in __________.
A. denial of service
B. sniffing
C. terrorism
D. data diddling
Answer: D
Question 24
What is a Firewall in Computer Network?
A. An operating System of Computer Network
B. The physical boundary of Network
C. A web browsing Software
D. A system designed to prevent unauthorized access
Answer: D
Question 25
What kind of lock includes a keypad that can be used to control access into areas?
A. Cipher
B. Warded
C. Device
D. Tumbler
Answer: A
Question 26
The digital telecommunications term ISDN is an abbreviation for ______.
A. Integrated Standard Digital Networks
B. Internet Services Data Network
C. Interactive Standard Dynamic Networks
D. Integrated Services Digital Network
Answer: D
Question 27
________ is an important circuitry in a computer system that directs the operation of the processor.
A. Memory
B. Control Unit
C. Address Bus
D. Accumulator
Answer: B
Question 28
Switch is a network device whose responsibility is to_______.
A. Protect from virus attack
B. turn of the power to network
C. Connect Network devices
D. Boot the network
Answer: C
Question 29
A type of device used to connect a central processor and peripherals which uses multiplying is known as _____.
A. Modem
B. Network
C. Multiplexer
D. All of these
Answer: C
Question 30
Second-generation computers are made of ______.
A. Vacuum Tubes
B. Transistors
C. LSI
D. VLSI
Answer: B
Question 31
What is the full form of CPU?
A. Central Processing Unit
B. Computer Processing Unit
C. Core Processing Unit
D. Central Power Unit
Answer: A
Question 32
Which of the following is a search engine?
A. Yahoo
B. Bing
C. WhatsApp
D. Instagram
Answer: B
Question 33
What was the first computer called?
A. UNIVAC
B. ENIAC
C. EDVAC
D. ABC
Answer: B
Question 34
Who invented the first computer mouse?
A. Steve Jobs
B. Douglas Engelbart
C. Bill Gates
D. Tim Berners-Lee
Answer: B
Question 35
Who is considered the father of modern computing?
A. Steve Jobs
B. Bill Gates
C. Alan Turing
D. Charles Babbage
Answer: D
Question 36
Which of the following is not a programming language?
A. Python
B. HTML
C. C++
D. Firefox
Answer: D
Question 37
What is the purpose of a firewall?
A. To protect against viruses
B. To block unwanted traffic
C. To speed up internet connection
D. To monitor internet usage
Answer: B
Question 38
Which of the following is a type of computer virus?
A. Trojan horse
B. Worm
C. Spyware
D. All of the above
Answer: D
Question 39
What is the function of an operating system?
A. To manage hardware resources
B. To provide a user interface
C. To run applications
D. All of the above
Answer: D
Question 40
What is a LAN?
A. A network that covers a large geographic area
B. A network that connects devices within a building or group of buildings
C. A network that connects devices across multiple cities
D. A network that connects devices across the world
Answer: B
100 Computer Questions and Answers PDF
Aspirants can also find the 100 computer questions and answers in a PDF format. This PDF can be downloaded and used for offline preparation. We have compiled a PDF of 100 computer questions and answers for the aspirants who are going to appear for competitive exams like UPSC, Bank, Railway, SSC exams, etc.
100 Computer Questions and Answers PDF
It comprises basic computer gk questions which are based on the topics such as operating systems, network security, and everyday computer applications like Microsoft Office, Excel, PowerPoint, etc. All these topics are frequently asked topics in competitive exams. The 100 computer questions and answers PDF includes not only the questions and answers but also explanations for each question which will help you understand the concepts.
Benefits of Attempting Computer Questions
Computer questions are essential for ensuring individuals can effectively use computers for various purposes, such as personal use, education, and work. Understanding the basic functions of a computer, how to navigate different software programs, and how to troubleshoot common issues are all critical skills that can be acquired through computer questions.
Moreover, solving the 100 computer questions and answers helps the candidate prepare for the computer awareness section. The questions cover a wide range of topics and will help the candidate identify their strengths and weaknesses. This will enable them to focus their preparation on the areas where they need improvement.
Lastly, solving the basic computer questions will help the candidate build confidence. Knowing that they have prepared well for the computer awareness section will give them the confidence to perform well in the exam.