Computers Basic MCQs Set-21
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Which is used to execute JavaScript code on a web page?
- a) Web Browser
- b) Database
- c) Text Editor
- d) File Manager
Answer: a) Web Browser
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What is the primary purpose of a spreadsheet application?
- a) To create documents
- b) To manage and analyze numerical data
- c) To edit videos
- d) To browse the internet
Answer: b) To manage and analyze numerical data
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Which device is essential for connecting a computer to a wireless network?
- a) Ethernet Cable
- b) Wi-Fi Adapter
- c) USB Drive
- d) HDMI Cable
Answer: b) Wi-Fi Adapter
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What is the primary function of a database management system (DBMS)?
- a) To browse the internet
- b) To store, retrieve, and manage data
- c) To perform calculations
- d) To create graphic designs
Answer: b) To store, retrieve, and manage data
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What is the primary purpose of an antivirus program?
- a) To protect the computer from malware
- b) To store data
- c) To connect to the internet
- d) To perform calculations
Answer: a) To protect the computer from malware
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Which of the following is a type of non-volatile memory?
- a) RAM
- b) Hard Disk Drive
- c) Cache
- d) Register
Answer: b) Hard Disk Drive
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What does “HTTP” stand for in a web address?
- a) HyperText Transfer Protocol
- b) HyperText Transmission Protocol
- c) HyperText Transfer Program
- d) HyperText Transmission Program
Answer: a) HyperText Transfer Protocol
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Which of the following is a command-line interface operating system?
- a) Windows
- b) macOS
- c) Linux
- d) Android
Answer: c) Linux
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What is the purpose of a QR code?
- a) To display text documents
- b) To scan and read data using a smartphone camera
- c) To store audio files
- d) To edit images
Answer: b) To scan and read data using a smartphone camera
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Which of the following is a cloud storage service?
- a) Microsoft Word
- b) Google Drive
- c) Adobe Photoshop
- d) Mozilla Firefox
Answer: b) Google Drive
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What is the main function of an operating system?
- a) To perform calculations
- b) To manage computer hardware and software resources
- c) To store data
- d) To connect to the internet
Answer: b) To manage computer hardware and software resources
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Which of the following is an example of a word-processing application?
- a) Microsoft Excel
- b) Adobe Illustrator
- c) Microsoft Word
- d) Google Chrome
Answer: c) Microsoft Word
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What does “Wi-Fi” stand for?
- a) Wireless Fidelity
- b) Wired Fidelity
- c) Wide Frequency
- d) Wireless Frequency
Answer: a) Wireless Fidelity
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Which of the following is used to cool the CPU in a computer?
- a) Heat Sink
- b) Hard Disk
- c) Power Supply
- d) RAM
Answer: a) Heat Sink
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What is the primary function of a search engine?
- a) To browse websites
- b) To search for information on the internet
- c) To store files
- d) To manage emails
Answer: b) To search for information on the internet