Computer MCQs for Competitive Exams with Answers
Preparing for competitive exams can be a challenging task, especially when it comes to computer-related questions. To help you ace your exams, we have compiled a set of computer MCQs for competitive exams with answers. This comprehensive collection will test your knowledge across various domains of computer science. So, let’s dive in and enhance your computer prowess!
Computer Multiple Choice Questions with Answers
1: Which of the following is responsible for managing and organizing files on a computer?
- a) File System
- b) Operating System
- c) Central Processing Unit (CPU)
- d) Hard Disk Drive (HDD)
a) File System
2: What is the purpose of an input/output device?
- a) To display output to the user
- b) To process data
- c) To store data permanently
- d) To enter and retrieve data from the computer
Answer: d)
3: Which programming language is widely used for artificial intelligence and machine learning?
- a) Java
- b) Python
- c) C#
- d) Ruby
b) Python
4: Which of the following is considered the “brain” of the computer?
- a) Central Processing Unit (CPU)
- b) Random Access Memory (RAM)
- c) Hard Disk Drive (HDD)
- d) Graphics Processing Unit (GPU)
a): (CPU)
5: Which programming language is widely used for developing mobile applications?
- a) Java
- b) Python
- c) C++
- d) HTML
a) Java
6: What is the purpose of a firewall in computer networks?
- a) To protect against malware attacks
- b) To enhance network speed
- c) To manage software licenses
- d) To store backup data
Answer: a)
7: What is the full form of URL?
- a) Universal Resource Locator
- b) Uniform Resource Locator
- c) Unified Resource Locator
- d) User Resource Locator
b) Uniform Resource Locator
8: Which of the following is an example of a high-level programming language?
- a) Assembly language
- b) Machine language
- c) C++
- d) Binary code
c) C++
9: Which component of a computer is responsible for storing data in a non-volatile manner?
- a) Hard Disk Drive (HDD)
- b) Random Access Memory (RAM)
- c) Central Processing Unit (CPU)
- d) Solid State Drive (SSD)
a) Hard Disk Drive (HDD)
10: Which of the following is not an operating system?
- a) Windows
- b) Linux
- c) macOS
- d) Microsoft Office
d) Microsoft Office
Computer MCQs Online Test for Competitive Exams
11: What is the purpose of a compiler?
- a) To execute program instructions
- b) To edit source code
- c) To convert source code into machine code
- d) To debug program errors
Answer: c)
12: Which of the following is an example of an optical storage device?
- a) Hard Disk Drive (HDD)
- b) Solid State Drive (SSD)
- c) USB flash drive
- d) DVD
d) DVD
13: What is the purpose of a VPN (Virtual Private Network)?
- a) To connect multiple devices on a local network
- b) To provide secure and private communication over the internet
- c) To enhance network speed
- d) To protect against computer viruses
Answer: b)
14: Which programming language is widely used for game development?
- a) Java
- b) Python
- c) C++
- d) Ruby
c) C++
15: The function of an output device is:
- a) To display output to the user
- b) To process data
- c) To store data permanently
- d) To enter data into the computer
Answer: a)
16: What is the function of an operating system?
- a) To manage computer hardware and software resources
- b) To create documents and presentations
- c) To connect to the internet
- d) To play multimedia files
Answer: a)
17: What is the primary function of an input device?
- a) To display output to the user
- b) To process data
- c) To store data permanently
- d) To enter data into the computer
Answer: d)
18: Which of the following is a type of computer memory that can be written to and read from?
- a) ROM (Read-Only Memory)
- b) RAM (Random Access Memory)
- c) CPU (Central Processing Unit)
- d) GPU (Graphics Processing Unit)
b) RAM
19: Which of the following is an example of spreadsheet software?
- a) Microsoft Word
- b) Microsoft Excel
- c) Adobe Photoshop
- d) Google Chrome
b) Microsoft Excel
20: Which programming language is widely used for web development?
- a) Java
- b) Python
- c) JavaScript
- d) C#
c) JavaScript
Online Computer Science Objective Questions
21: The purpose of an Ethernet cable is:
- a) To connect a computer to a printer
- b) To connect a computer to the internet
- c) To connect a computer to a keyboard
- d) To connect a computer to a monitor
Answer: b)
22: Which of the following is a programming paradigm that focuses on objects and their interactions?
- a) Object-Oriented Programming (OOP)
- b) Procedural Programming
- c) Functional Programming
- d) Logical Programming
a) Object-Oriented Programming
23: What does the acronym “SQL” stand for?
- a) Structured Query Language
- b) Sequential Query Language
- c) System Query Language
- d) Standard Query Language
a) Structured Query Language
24: Which of the following is an example of a primary storage device?
- a) Hard Disk Drive (HDD)
- b) Solid State Drive (SSD)
- c) USB flash drive
- d) Blu-ray disc
b) Solid State Drive (SSD)
25: What is the purpose of an operating system’s kernel?
- a) To manage memory and CPU resources
- b) To provide a graphical user interface
- c) To run applications
- d) To manage network connections
Answer: a)
26: What is the function of a router in computer networks?
- a) To connect multiple devices on a local network
- b) To convert digital signals into analog signals
- c) To provide wireless internet access
- d) To protect against computer viruses
Answer: a)
27: Which of the following is a popular open-source operating system?
- a) Windows
- b) macOS
- c) Linux
- d) Android
c) Linux
28: Which programming language is known for its simplicity and readability?
- a) Java
- b) Python
- c) C++
- d) Ruby
b) Python
29: What is the purpose of a cache memory in a computer system?
- a) To store temporary data for faster access
- b) To store permanent data
- c) To run applications
- d) To control input and output devices
Answer: a)
30: An example of a cloud storage service:
- a) Dropbox
- b) Microsoft Word
- c) Adobe Photoshop
- d) iTunes
a) Dropbox
Advance Computer MCQ
31: What is the function of an antivirus software?
- a) To prevent unauthorized access to a computer network
- b) To create and edit documents
- c) To protect against computer viruses and malware
- d) To manage email accounts
Answer: c)
32: Programming language which is widely used for data analysis and scientific computing is:
- a) Java
- b) Python
- c) C#
- d) Ruby
b) Python
33: The purpose of a GPU (Graphics Processing Unit) is:
- a) To store data in a non-volatile manner
- b) To enhance network speed
- c) To process and render graphics
- d) To manage computer memory
c) To process and render graphics
34: The role of a domain name in the context of the internet is:
- a) To store and retrieve website files
- b) To identify the location of a website
- c) To manage email accounts
- d) To encrypt data transmission
Answer: b)
35: An example of a relational database management system?
- a) MySQL
- b) MongoDB
- c) Redis
- d) PostgreSQL
a) MySQL
36: Which of the following is an example of an input device?
- a) Printer
- b) Scanner
- c) Speaker
- d) Projector
b) Scanner
37:A/an ____________ is responsible for managing memory in a computer system.
- a) Operating System
- b) CPU
- c) Hard Disk Drive
- d) Graphics Card
a) Operating System
38: Which type of software allows users to perform calculations and create spreadsheets?
- a) Word Processor
- b) Spreadsheet
- c) Presentation
- d) Database
b) Spreadsheet
39: Which of the following is an example of a web browser?
- a) Google Chrome
- b) Microsoft Word
- c) Adobe Photoshop
- d) VLC Media Player
a) Google Chrome
40: What is the purpose of an IP address?
- a) To identify a website
- b) To store files on a computer
- c) To manage email accounts
- d) To display web pages
a) To identify a website
Conclusion
By practising these Computer MCQs for Competitive Exams with Answers, you can enhance your understanding of computer concepts and improve your chances of success. Remember to review each question and answer carefully, understanding the rationale behind the correct option. With regular practice, you’ll develop a strong foundation in computer science and excel in your upcoming exams. Good luck!
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