2401. What is the binary representation of decimal number 10?
✅ B. 1010
a: 1011 | b: 1010 | c: 1001 | d: a Read more
Computer Science MCQs – Page 121
2402. Which component stores data for quick access while programs run?
✅ A. RAM
a: RAM | b: Keyboard buffer only | c: Monitor panel | d: Printer toner Read more
2403. Which technology allows nearby devices to exchange data wirelessly over short distances?
✅ B. Bluetooth
a: SATA | b: Bluetooth | c: HDMI | d: VGA Read more
2404. What does DNS translate domain names into?
✅ C. IP addresses
a: Spreadsheet formulas | b: Audio frequencies | c: IP addresses | d: Image pixels Read more
2405. What does SQL commonly help users do?
✅ B. Query and manage relational databases
a: Design computer chips | b: Query and manage relational databases | c: Edit sound waves | d: Control screen resolution Read more
2406. What does HTML primarily define?
✅ C. The structure of web pages
a: Electrical voltage | b: Database passwords | c: The structure of web pages | d: Network cable length Read more
2407. Which of these is a web browser?
✅ B. Mozilla Firefox
a: MySQL | b: Mozilla Firefox | c: Linux kernel | d: Python interpreter Read more
2408. Which is an example of an open-source operating system?
✅ C. Linux
a: Microsoft Excel | b: Adobe Photoshop | c: Linux | d: PowerPoint Read more
2409. What is a firewall designed to do?
✅ D. Filter network traffic according to rules
a: Edit photos | b: Increase screen brightness | c: Print documents faster | d: Filter network traffic according to rules Read more
2410. Which storage device has no moving mechanical parts?
✅ B. Solid-state drive (SSD)
a: Magnetic tape reel | b: Solid-state drive (SSD) | c: Floppy disk drive | d: Mechanical hard disk Read more
2411. Which component stores data for quick access while programs run?
✅ A. RAM
a: RAM | b: Keyboard buffer only | c: Monitor panel | d: Printer toner Read more
2412. What does CPU stand for?
✅ C. Central Processing Unit
a: Central Program Upload | b: Computer Personal Utility | c: Central Processing Unit | d: Core Peripheral Unit Read more
2413. What does DNS translate domain names into?
✅ C. IP addresses
a: Spreadsheet formulas | b: Audio frequencies | c: IP addresses | d: Image pixels Read more
2414. Which device displays visual output from a computer?
✅ B. Monitor
a: Mouse | b: Monitor | c: Scanner | d: Microphone Read more
2415. What does HTML primarily define?
✅ C. The structure of web pages
a: Electrical voltage | b: Database passwords | c: The structure of web pages | d: Network cable length Read more
2416. Which device is primarily used to enter text into a computer?
✅ B. Keyboard
a: Monitor | b: Keyboard | c: Speaker | d: Projector Read more
2417. Which is an example of an open-source operating system?
✅ C. Linux
a: Microsoft Excel | b: Adobe Photoshop | c: Linux | d: PowerPoint Read more
2418. What is the main purpose of an operating system?
✅ C. To manage hardware and software resources
a: To increase monitor size | b: To create electricity | c: To manage hardware and software resources | d: To replace all applications Read more
2419. Which storage device has no moving mechanical parts?
✅ B. Solid-state drive (SSD)
a: Magnetic tape reel | b: Solid-state drive (SSD) | c: Floppy disk drive | d: Mechanical hard disk Read more
2420. Which file extension is commonly associated with a PDF document?
✅ D. .pdf
a: .exe | b: .mp3 | c: .xlsx | d: .pdf Read more