2221. Which device displays visual output from a computer?
✅ B. Monitor
a: Mouse | b: Monitor | c: Scanner | d: Microphone Read more
Computer Science MCQs – Page 112
2222. 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
2223. Which component performs arithmetic and logical operations in a CPU?
✅ C. Arithmetic Logic Unit (ALU)
a: Hard drive | b: Power supply | c: Arithmetic Logic Unit (ALU) | d: Control unit Read more
2224. Which device is primarily used to enter text into a computer?
✅ B. Keyboard
a: Monitor | b: Keyboard | c: Speaker | d: Projector Read more
2225. 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
2226. 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
2227. Which device is primarily used to enter text into a computer?
✅ B. Keyboard
a: Monitor | b: Keyboard | c: Speaker | d: Projector Read more
2228. Which device is primarily used to enter text into a computer?
✅ B. Keyboard
a: Monitor | b: Keyboard | c: Speaker | d: Projector Read more
2229. 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
2230. 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
2231. 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
2232. 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
2233. 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
2234. Which device is primarily used to enter text into a computer?
✅ B. Keyboard
a: Monitor | b: Keyboard | c: Speaker | d: Projector Read more
2235. Which device displays visual output from a computer?
✅ B. Monitor
a: Mouse | b: Monitor | c: Scanner | d: Microphone Read more
2236. 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
2237. 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
2238. 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
2239. Which device displays visual output from a computer?
✅ B. Monitor
a: Mouse | b: Monitor | c: Scanner | d: Microphone Read more
2240. Which file extension is commonly associated with a PDF document?
✅ D. .pdf
a: .exe | b: .mp3 | c: .xlsx | d: .pdf Read more