Basic Concepts of Computing MCQs

What does CPU stand for?
A) Central Processing Unit
B) Central Programming Unit
C) Computer Personal Unit
D) Central Peripheral Unit
Answer: A

Which of the following is a type of computer memory?
A) RAM
B) HTML
C) Java
D) CSS
Answer: A

What is the primary function of an operating system?
A) To compile programs
B) To manage hardware and software resources
C) To provide internet access
D) To store data
Answer: B

Which of the following is an example of system software?
A) Microsoft Word
B) Adobe Photoshop
C) Windows 10
D) Google Chrome
Answer: C

What does the term ‘bit’ stand for?
A) Binary Digit
B) Basic Integer
C) Binary Identifier
D) Byte Identifier
Answer: A

Which device is used to input data into a computer?
A) Monitor
B) Printer
C) Keyboard
D) Speaker
Answer: C

What is the function of an ALU in a computer?
A) To perform arithmetic and logical operations
B) To manage memory
C) To input data
D) To output data
Answer: A

What does the term ‘software’ refer to?
A) Physical components of a computer
B) Programs and operating systems that run on a computer
C) Networking equipment
D) Data storage devices
Answer: B

Which of the following is NOT a type of software?
A) Application Software
B) System Software
C) Network Software
D) Hardware Software
Answer: D

What is the main purpose of a web browser?
A) To create graphics
B) To browse and access the internet
C) To manage files on a computer
D) To edit text documents
Answer: B

Which of the following is a common input device?
A) Monitor
B) Mouse
C) Printer
D) Projector
Answer: B

What does the acronym ‘URL’ stand for?
A) Universal Resource Locator
B) Uniform Resource Locator
C) Uniform Resource Link
D) Universal Resource Link
Answer: B

Which file format is commonly used for images?
A) .exe
B) .jpg
C) .txt
D) .doc
Answer: B

What is the primary purpose of a hard disk drive?
A) To process data
B) To store data permanently
C) To display data
D) To input data
Answer: B

Which of the following is a programming language?
A) HTML
B) SQL
C) Both A and B
D) None of the above
Answer: C

What does ‘HTTP’ stand for?
A) Hypertext Transfer Protocol
B) High Transfer Text Protocol
C) Hyper Transfer Text Protocol
D) High Text Transfer Protocol
Answer: A

Which of the following is a cloud storage service?
A) Google Drive
B) Microsoft Word
C) Adobe Illustrator
D) VLC Media Player
Answer: A

What is the function of the operating system kernel?
A) To provide a user interface
B) To manage system resources
C) To run application software
D) To connect to the internet
Answer: B

Which of the following is an example of an output device?
A) Keyboard
B) Mouse
C) Monitor
D) Scanner
Answer: C

What is the purpose of a firewall?
A) To speed up internet connection
B) To protect a computer from unauthorized access
C) To increase RAM capacity
D) To enhance graphic performance
Answer: B

Which of the following refers to the physical components of a computer?
A) Software
B) Firmware
C) Hardware
D) Malware
Answer: C

What does ‘GUI’ stand for in computing?
A) Graphical User Interface
B) General User Interface
C) Graphical Universal Interface
D) General Universal Interface
Answer: A

Which of the following is used for data backup?
A) SSD
B) RAM
C) USB Flash Drive
D) Both A and C
Answer: D

What is an IP address?
A) Internet Provider Address
B) Internet Protocol Address
C) Internal Protocol Address
D) Internet Personal Address
Answer: B

Which of the following storage devices is portable?
A) Hard Disk Drive
B) USB Flash Drive
C) Optical Disk
D) All of the above
Answer: D

What is the main purpose of an antivirus software?
A) To improve computer speed
B) To prevent malware attacks
C) To manage files
D) To edit videos
Answer: B

Which of the following is an example of a relational database?
A) SQL Server
B) Microsoft Word
C) Adobe Photoshop
D) Notepad
Answer: A

What does ‘SSD’ stand for?
A) Solid State Drive
B) Static Storage Device
C) Solid Storage Drive
D) System State Disk
Answer: A

What is the function of a motherboard?
A) To store data
B) To connect all computer components
C) To provide power to the computer
D) To display images
Answer: B

Which of the following is an example of a web application?
A) Microsoft Excel
B) Google Docs
C) Adobe Reader
D) VLC Media Player
Answer: B

What does the term ‘malware’ refer to?
A) Legitimate software
B) Malicious software designed to harm a computer
C) A type of hardware
D) A type of network protocol
Answer: B

Which of the following is a type of programming error?
A) Syntax Error
B) Logic Error
C) Runtime Error
D) All of the above
Answer: D

What is the primary use of the command line interface?
A) To create graphics
B) To execute commands and scripts
C) To browse the internet
D) To edit documents
Answer: B

What does the term ‘data mining’ refer to?
A) Storing data
B) Analyzing large datasets to find patterns
C) Deleting data
D) Backing up data
Answer: B

Which of the following file extensions is associated with Microsoft Word?
A) .xlsx
B) .pptx
C) .docx
D) .jpg
Answer: C

What is the primary function of a compiler?
A) To execute code
B) To convert high-level code into machine code
C) To debug code
D) To manage files
Answer: B

Which of the following protocols is used for email transmission?
A) FTP
B) HTTP
C) SMTP
D) SNMP
Answer: C

What is the purpose of data encryption?
A) To compress data
B) To secure data from unauthorized access
C) To delete data
D) To store data
Answer: B

Which of the following is a disadvantage of cloud computing?
A) Scalability
B) Accessibility
C) Security concerns
D) Cost-effectiveness
Answer: C

What is the primary role of a database management system (DBMS)?
A) To create graphics
B) To manage data and enable access to it
C) To compile programs
D) To connect to the internet
Answer: B

Which of the following is a common web development language?
A) Python
B) JavaScript
C) C++
D) Both A and B
Answer: D

What does ‘open source software’ mean?
A) Software that is free to use but not editable
B) Software whose source code is available for modification
C) Software that requires payment
D) Software that is only for personal use
Answer: B

Which of the following best describes phishing?
A) A method to speed up internet connection
B) A type of cyber attack to steal personal information
C) A way to store data
D) A programming technique
Answer: B

What is the main purpose of a computer network?
A) To connect computers for resource sharing
B) To run applications
C) To manage hardware
D) To increase processing speed
Answer: A

Which of the following is a type of software development methodology?
A) Agile
B) Waterfall
C) Both A and B
D) None of the above
Answer: C

What is the main role of a system administrator?
A) To write code
B) To manage and maintain computer systems
C) To design graphics
D) To sell software
Answer: B

What does ‘LAN’ stand for?
A) Local Area Network
B) Large Area Network
C) Long Area Network
D) Low Area Network
Answer: A

Which of the following is a programming paradigm?
A) Object-Oriented Programming
B) Functional Programming
C) Procedural Programming
D) All of the above
Answer: D

What is the function of a router?
A) To connect multiple networks
B) To store data
C) To display information
D) To execute programs
Answer: A

 

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