Table of Contents
Computers are now a part of everyone’s life in this new digital age. Computers have already changed the way we live, work, communicate, and interact with the world. But to really understand computers and what they do, we need to understand the very basics of computer science. Whether you are a student preparing for exams, a tech enthusiast, or anyone looking to brush up your computer knowledge, practicing multiple-choice questions (MCQs) can be a great way to enhance your learning. Here is a collection of 50 MCQs which cover various aspects of computer hardware, software, programming, and networking, so it will give you a full overview.
MCQs on Computer
- Which of the following is considered computer hardware?
- A) Operating System
- B) Keyboard
- C) Antivirus Software
- D) Word Processor
Answer: B) Keyboard
- What type of memory is volatile and loses its content when the power is switched off?
- A) RAM
- B) ROM
- C) Hard Disk
- D) Flash Drive
Answer: A) RAM
- Which component of the computer performs arithmetic and logical operations?
- A) ALU
- B) CPU
- C) RAM
- D) Hard Drive
Answer: A) ALU
- Which of the following is an operating system?
- A) Windows 10
- B) Microsoft Word
- C) Google Chrome
- D) Adobe Photoshop
Answer: A) Windows 10
- What is the “brain” of the computer called?
- A) RAM
- B) ALU
- C) CPU
- D) Hard Disk
Answer: C) CPU
- Which of these is a permanent storage memory?
- A) RAM
- B) ROM
- C) Cache Memory
- D) Registers
Answer: B) ROM
- Which language is commonly used for web development?
- A) Java
- B) HTML
- C) C++
- D) Python
Answer: B) HTML
- What does “HTTP” stand for?
- A) HyperText Transport Protocol
- B) HyperText Transfer Protocol
- C) Hyper Transfer Text Protocol
- D) HyperText Technical Protocol
Answer: B) HyperText Transfer Protocol
- Which of the following is an example of an input device?
- A) Monitor
- B) Printer
- C) Mouse
- D) Speaker
Answer: C) Mouse
- The primary purpose of an operating system is to:
- A) Run programs
- B) Manage hardware and software resources
- C) Provide internet access
- D) Display content on the screen
Answer: B) Manage hardware and software resources
- Which device is used to connect a computer to the internet?
- A) Modem
- B) Monitor
- C) CPU
- D) Printer
Answer: A) Modem
- The motherboard connects:
- A) All devices of the computer
- B) The CPU with the monitor
- C) Only input devices
- D) Only the memory modules
Answer: A) All devices of the computer
- Which of the following is NOT a secondary storage device?
- A) Hard Drive
- B) CD
- C) RAM
- D) USB Flash Drive
Answer: C) RAM
- Which of the following is used to permanently store data?
- A) RAM
- B) ROM
- C) Hard Disk
- D) CPU
Answer: C) Hard Disk
- Which of these is the first step in the booting process?
- A) Operating System loads
- B) BIOS initializes hardware
- C) RAM is accessed
- D) User logs in
Answer: B) BIOS initializes hardware
- Which of the following is used to create a spreadsheet?
- A) Microsoft Word
- B) Microsoft Excel
- C) Microsoft PowerPoint
- D) Microsoft Access
Answer: B) Microsoft Excel
- What does “URL” stand for?
- A) Uniform Resource Locator
- B) Universal Resource Locator
- C) Uniform Retrieval Locator
- D) Universal Resource Link
Answer: A) Uniform Resource Locator
- Which programming language is used to develop websites?
- A) C++
- B) HTML
- C) Java
- D) Python
Answer: B) HTML
- What is BIOS?
- A) Basic Input Output System
- B) Basic Integrated Operating System
- C) Binary Input Output System
- D) Basic Internal Operating System
Answer: A) Basic Input Output System
- Which of the following is an output device?
- A) Monitor
- B) Keyboard
- C) Mouse
- D) Scanner
Answer: A) Monitor
- Which of the following is used to navigate and manage computer files?
- A) File Explorer
- B) Microsoft Word
- C) Google Chrome
- D) Adobe Reader
Answer: A) File Explorer
- Which software allows users to search the internet?
- A) Google Chrome
- B) Adobe Photoshop
- C) Windows Media Player
- D) Microsoft Excel
Answer: A) Google Chrome
- Which of the following is a type of malware?
- A) Windows
- B) Trojan Horse
- C) Google Chrome
- D) Microsoft Word
Answer: B) Trojan Horse
- Which part of the computer stores data temporarily for quick access?
- A) ROM
- B) RAM
- C) Hard Disk
- D) CPU
Answer: B) RAM
- Which device is used to store large amounts of data in a computer?
- A) Hard Disk
- B) CPU
- C) RAM
- D) Keyboard
Answer: A) Hard Disk
- Which of the following is NOT an example of a programming language?
- A) Java
- B) Python
- C) HTML
- D) C++
Answer: C) HTML
- Which of these operating systems is open-source?
- A) Windows
- B) macOS
- C) Linux
- D) iOS
Answer: C) Linux
- What is the primary function of a “browser”?
- A) Accessing websites
- B) Sending emails
- C) Editing text documents
- D) Watching videos
Answer: A) Accessing websites
- What does “USB” stand for?
- A) Universal Service Bus
- B) Uniform Serial Bus
- C) Universal Serial Bus
- D) Unidirectional Serial Bus
Answer: C) Universal Serial Bus
- Which of these is a popular mobile operating system?
- A) Windows 10
- B) Android
- C) Linux
- D) Ubuntu
Answer: B) Android
- What is a “URL” used for?
- A) To store data
- B) To create websites
- C) To access websites
- D) To design web pages
Answer: C) To access websites
- Which of the following storage devices has the largest capacity?
- A) Floppy Disk
- B) CD
- C) Hard Disk
- D) USB Flash Drive
Answer: C) Hard Disk
- Which of the following is NOT a computer network?
- A) LAN
- B) WAN
- C) VPN
- D) GDI
Answer: D) GDI
- Which device is used to capture visual images in a computer?
- A) Mouse
- B) Scanner
- C) Printer
- D) Speaker
Answer: B) Scanner
- Which of these is NOT an input device?
- A) Keyboard
- B) Mouse
- C) Scanner
- D) Monitor
Answer: D) Monitor
- What is the smallest unit of data in a computer?
- A) Byte
- B) Bit
- C) Word
- D) Kilobyte
Answer: B) Bit
- What is the full form of ‘RAM’?
- A) Random Array Memory
- B) Random Access Memory
- C) Read and Memory
- D) Read Access Memory
Answer: B) Random Access Memory
- Which device allows multiple computers to communicate with each other in a local network?
- A) Hub
- B) Router
- C) Switch
- D) Modem
Answer: C) Switch
- Which of the following is a type of storage device?
- A) RAM
- B) CPU
- C) SSD
- D) Monitor
Answer: C) SSD
- What does the “booting” process refer to?
- A) Starting up the computer
- B) Shutting down the computer
- C) Restarting the computer
- D) Entering a password
Answer: A) Starting up the computer
- Which of the following is NOT a form of persistent storage?
- A) Hard Disk
- B) Flash Drive
- C) RAM
- D) CD
Answer: C) RAM
- Which software is primarily used for graphic design and photo editing?
- A) Adobe Illustrator
- B) Adobe Photoshop
- C) Microsoft PowerPoint
- D) Microsoft Word
Answer: B) Adobe Photoshop
- Which of these is NOT a function of an operating system?
- A) Memory management
- B) Device control
- C) Network management
- D) Word processing
Answer: D) Word processing
- Which of the following is a type of malware?
- A) Spyware
- B) Anti-virus software
- C) Firewall
- D) Backup software
Answer: A) Spyware
- Which of these is used for secure communication over the internet?
- A) HTTPS
- B) HTTP
- C) FTP
- D) SMTP
Answer: A) HTTPS
- Which of the following is NOT a computer programming language?
- A) Python
- B) C++
- C) HTML
- D) JavaScript
Answer: C) HTML
- Which part of the computer is responsible for interpreting and executing instructions?
- A) Hard Disk
- B) RAM
- C) CPU
- D) Monitor
Answer: C) CPU
- Which device is used for audio output in computers?
- A) Speaker
- B) Microphone
- C) Headphones
- D) Keyboard
Answer: A) Speaker
- Which of the following is a feature of cloud computing?
- A) Data storage on remote servers
- B) Storing files only on local hard drives
- C) Data loss due to server failure
- D) Limited accessibility to data
Answer: A) Data storage on remote servers
- Which of these is used to display the content of a computer?
- A) Monitor
- B) Printer
- C) Speaker
- D) Scanner
Answer: A) Monitor
This version of the quiz is slightly rephrased and covers a broader range of fundamental computer-related topics.
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