Computer MCQ for Competitive Exams | Top Computer Exam Multiple-Choice Questions

Computer MCQ for Competitive Exams | Top Computer Exam Multiple-Choice Questions

Question 1: What is the primary purpose of an operating system?

A. To manage computer hardware and software resources

B. To browse the internet

C. To create and edit documents

D. To design websites

Answer: A. To manage computer hardware and software resources

Question 2: Which language is often used for developing Android ?

A. Java

B. Python

C. C++

D. Ruby

Answer: A. Java

Question 3: What does CPU stand for in computer terminology?

A. Central Processing Unit

B. Computer Personal Unit

C. Central Program Utility

D. Computer Peripheral Unit

Answer: A. Central Processing Unit

Question 4: Which data structure follows the Last-In-First-Out (LIFO) principle?

A. Queue

B. Stack

C. Linked List

D. Tree

Answer: B. Stack

Question 5: What is the purpose of the “if” statement in programming?

A. To declare a variable

B. To perform a specific action based on a condition

C. To create a loop

D. To print text to the screen

Answer: B. To perform a specific action based on a condition

Question 6: Which protocol is used for sending email over the internet?

A. HTTP

B. FTP

C. SMTP

D. TCP/IP

Answer: C. SMTP

Question 7: What does HTML stand for in web development?

A. Hyper Transfer Markup Language

B. Hyper Text Markup Language

C. High-Level Text Markup Language

D. Hyperlinking and Text Manipulation Language

Answer: B. Hyper Text Markup Language

Question 8: In a binary number system, what is the base?

A. 8

B. 10

C. 2

D. 16

Answer: C. 2

Question 9: What does RAM stand for in computer terminology?

A. Random Access Memory

B. Read-Only Memory

C. Redundant Array of Memory

D. Remote Access Module

Answer: A. Random Access Memory

Question 10: Which of the following is not a programming language?

A. JavaScript

B. HTML

C. Python

D. Ruby

Answer: B. HTML

Question 11: What does CPU cache primarily aim to do?

A. Store temporary files

B. Increase hard drive capacity

C. Speed up data access to the processor

D. Provide additional RAM

Answer: C. Speed up data access to the processor

Question 12: Which of the following is a high-level programming language often used for data analysis and scientific computing?

A. C++

B. Python

C. Java

D. Ruby

Answer: B. Python

Question 13: What is the function of an IP address in computer ?

A. To identify a specific website

B. To identify a specific computer or device on a network

C. To establish a secure

D. To compress data for transmission

Answer: B. To identify a specific computer or device on a network

Question 14: In web development, what does CSS stand for?

A. Computer Style Sheet

B. Cascading Style Sheet

C. Content Style Sheet

D. Creative Style Sheet

Answer: B. Cascading Style Sheet

Question 15: What does SQL stand for in database management?

A. Standard Query Language

B. Structured Query Language

C. System Query Language

D. Server Query Language

Answer: B. Structured Query Language

Question 16: Which type of software is designed to detect and remove computer viruses?

A. Firewall

B. Operating System

C. Antivirus

D. Browser

Answer: C. Antivirus

Question 17: What is the main function of an Ethernet cable in a computer network?

A. To display web pages

B. To connect to Wi-Fi

C. To transmit data between devices

D. To control the power supply

Answer: C. To transmit data between devices

Question 18: Which data structure stores elements in a way that allows for fast insertion and deletion?

A. Array

B. Linked List

C. Queue

D. Stack

Answer: B. Linked List

Question 19: In computer graphics, what does RGB represent?

A. Red, Green, Black

B. Red, Gray, Blue

C. Red, Green, Blue

D. Red, Gold, Brown

Answer: C. Red, Green, Blue

Question 20: Which programming language is commonly used for building web applications and is often used for both front-end and back-end development?

A. Python

B. Ruby

C. Java

D. JavaScript

Answer: D. JavaScript

Question 21: What does URL stand for in web addresses?

A. Uniform Resource Locator

B. Universal Reference Link

C. Unified Retrieval Link

D. Unique Resource Link

Answer: A. Uniform Resource Locator

Question 22: In programming, what does the acronym “OOP” typically represent?

A. Output Object Protocol

B. Object-Oriented Programming

C. Object Order Procedure

D. Output Observation Process

Answer: B. Object-Oriented Programming

Question 23: Which data structure is used to store elements in a sorted order?

A. Queue

B. Stack

C. Array

D. Binary Search Tree

Answer: D. Binary Search Tree

Question 24: What is the primary purpose of a firewall in network security?

A. To prevent unauthorized access to a network

B. To speed up internet connections

C. To store user passwords securely

D. To create a virtual private network (VPN)

Answer: A. To prevent unauthorized access to a network

Question 25: What is the term for a computer virus that spreads by attaching itself to legitimate programs or files?

A. Trojan Horse

B. Worm

C. Spyware

D. Adware

Answer: A. Trojan Horse

Question 26: In computer storage, what does “SSD” stand for?

A. Solid-State Drive

B. Super Speed Disk

C. Secure Storage Device

D. Serial Storage Drive

Answer: A. Solid-State Drive

Question 27: Which programming language is often used for data analysis, scientific computing, and machine learning?

A. Python

B. C#

C. PHP

D. Swift

Answer: A. Python

Question 28: What does HTTP stand for in website addresses?

A. Hyperlink Text Transfer Protocol

B. Hypertext Transfer Protocol

C. Hyper Transfer Text Protocol

D. Hypertext Text Transfer Protocol

Answer: B. Hypertext Transfer Protocol

Question 29: What does HTML5 add to the previous version of HTML (HTML4)?

A. Support for audio and video elements

B. A new programming language

C. Advanced 3D graphics

D. A new way to format text

Answer: A. Support for audio and video elements

Question 30: Which programming paradigm is characterized by representing a problem as a set of functions that manipulate data?

A. Object-Oriented Programming

B. Functional Programming

C. Procedural Programming

D. Logical Programming

Answer: B. Functional Programming

Question 31: Which of the following is not an example of a high-level programming language?

A. C++

B. Python

C. Assembly

D. Java

Answer: C. Assembly

Question 32: What is the purpose of an algorithm in computer science?

A. To represent data graphically

B. To provide a step-by-step solution to a problem

C. To control computer hardware

D. To store user preferences

Answer: B. To provide a step-by-step solution to a problem

Question 33: Which data structure follows the First-In-First-Out (FIFO) principle?

A. Stack

B. Queue

C. Linked List

D. Binary Tree

Answer: B. Queue

Question 34: What does GUI stand for in computer science?

A. General User Interface

B. Graphic User Interaction

C. Graphical User Interface

D. General User Instruction

Answer: C. Graphical User Interface

Question 35: Which of the following is an example of an open-source operating system?

A. Windows

B. macOS

C. Linux

D. Android

Answer: C. Linux

Question 36: What does DNS stand for in computer networking?

A. Domain Name System

B. Digital Network Service

C. Dynamic Network Server

D. Data Naming Service

Answer: A. Domain Name System

Question 37: In web development, what does CSS stand for?

A. Cascading Style Sheet

B. Computer Style Sheet

C. Creative Style Sheet

D. Content Style Sheet

Answer: A. Cascading Style Sheet

Question 38: What is the purpose of a compiler in programming?

A. To execute a program

B. To debug code

C. To translate high-level code into machine code

D. To design user interfaces

Answer: C. To translate high-level code into machine code

Question 39: Which programming language is often used for web development and can be run in a web browser?

A. Java

B. C++

C. JavaScript

D. Python

Answer: C. JavaScript

Question 40: What is the main function of an operating system?

A. To run applications

B. To manage computer hardware and software resources

C. To create documents

D. To browse the internet

Answer: B. To manage computer hardware and software resources

Question 41: In programming, what does “IDE” stand for?

A. Integrated Development Environment

B. Interactive Design Environment

C. Interface Design Entity

D. Internet Development Engine

Answer: A. Integrated Development Environment

Question 42: Which of the following is not a commonly used data type in programming?

A. Integer

B. Float

C. Boolean

D. Tertiary

Answer: D. Tertiary

Question 42: In object-oriented programming, what is encapsulation?

A. A programming language

B. A type of loop

C. A way to bundle data and methods that operate on that data

D. A type of data structure

Answer: C. A way to bundle data and methods that operate on that data

Question 43: What does TCP/IP stand for in computer networking?

A. Technical Control Protocol/Internet Protocol

B. Transmission Control Protocol/Internet Protocol

C. Terminal Control Protocol/Intranet Protocol

D. Text Control Protocol/Internet Program

Answer: B. Transmission Control Protocol/Internet Protocol

Question 44: Which of the following is not a web browser?

A. Chrome

B. Firefox

C. Word

D. Safari

Answer: C. Word

Question 45: What does SQL stand for in database management?

A. Standard Query Language

B. Structured Query Language

C. System Query Language

D. Server Query Language

Answer: B. Structured Query Language

Question 46: What does the acronym “GUI” stand for in computing?

A. Graphical User Interface

B. General User Instruction

C. Graphic Utility Interface

D. Global User Interaction

Answer: A. Graphical User Interface

Question 47: Which of the following programming languages is often used for scientific and mathematical computing?

A. Python

B. JavaScript

C. PHP

D. Ruby

Answer: A. Python

Question 48: What is the purpose of a router in a computer network?

A. To connect to the internet

B. To connect multiple devices within a network

C. To provide electrical power

D. To store files and documents

Answer: B. To connect multiple devices within a network

Question 49: In web development, what does CSS stand for?

A. Computer Style Sheet

B. Cascading Style Sheet

C. Content Style Sheet

D. Creative Style Sheet

Answer: B. Cascading Style Sheet

Question 50: What is the primary function of an operating system?

A. To manage computer hardware and software resources

B. To create documents

C. To browse the internet

D. To design websites

Answer: A. To manage computer hardware and software resources

Leave a Reply

Your email address will not be published. Required fields are marked *