2421. 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
Computer Science MCQs – Page 122
2422. Which protocol is commonly used to load secure websites?
✅ B. HTTPS
a: Telnet only | b: HTTPS | c: SMTP | d: FTP only Read more
2423. Which device displays visual output from a computer?
✅ B. Monitor
a: Mouse | b: Monitor | c: Scanner | d: Microphone Read more
2424. What does URL stand for?
✅ B. Uniform Resource Locator
a: Universal Record Link | b: Uniform Resource Locator | c: User Reference List | d: Unified Routing Language Read more
2425. Which device is primarily used to enter text into a computer?
✅ B. Keyboard
a: Monitor | b: Keyboard | c: Speaker | d: Projector Read more
2426. Which type of memory is volatile?
✅ A. RAM
a: RAM | b: Blu-ray disc | c: SSD when unpowered | d: ROM Read more
2427. 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
2428. 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
2429. Which file extension is commonly associated with a PDF document?
✅ D. .pdf
a: .exe | b: .mp3 | c: .xlsx | d: .pdf Read more
2430. Which protocol is commonly used to load secure websites?
✅ B. HTTPS
a: Telnet only | b: HTTPS | c: SMTP | d: FTP only Read more
2431. What does URL stand for?
✅ B. Uniform Resource Locator
a: Universal Record Link | b: Uniform Resource Locator | c: User Reference List | d: Unified Routing Language Read more
2432. Which type of memory is volatile?
✅ A. RAM
a: RAM | b: Blu-ray disc | c: SSD when unpowered | d: ROM Read more
2433. 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
2434. Choose the correct IT fact: what is a backup?
✅ D. A separate copy of data for recovery
a: A password hint | b: A display setting | c: A temporary cursor | d: A separate copy of data for recovery Read more
2435. Choose the correct IT fact: which technology is used for short-range wireless connections between devices?
✅ C. Bluetooth
a: Ethernet only | b: VGA | c: Bluetooth | d: HDMI Read more
2436. Choose the correct IT fact: what is cloud computing?
✅ B. Using remote computing resources over a network
a: A weather forecast method | b: Using remote computing resources over a network | c: A type of keyboard | d: Storing data only on paper Read more
2437. Choose the correct IT fact: what is malware?
✅ D. Software designed to harm or misuse systems
a: A screen saver | b: A secure backup | c: A hardware warranty | d: Software designed to harm or misuse systems Read more
2438. Choose the correct IT fact: which one is an example of open-source software?
✅ D. Linux
a: A printer cartridge | b: A proprietary-only paid app | c: A closed hardware circuit | d: Linux Read more
2439. Choose the correct IT fact: what is an algorithm?
✅ C. A defined sequence of steps to solve a problem
a: A network cable | b: A type of monitor | c: A defined sequence of steps to solve a problem | d: A graphics format Read more
2440. Choose the correct IT fact: which file extension is commonly associated with a spreadsheet workbook?
✅ A. xlsx
a: xlsx | b: mp3 | c: exe only | d: html only Read more