1841. Which type of memory is volatile?
✅ A. RAM
a: RAM | b: Blu-ray disc | c: SSD when unpowered | d: ROM Read more
Computer Science MCQs – Page 93
1842. Which is an example of an open-source operating system?
✅ C. Linux
a: Microsoft Excel | b: Adobe Photoshop | c: Linux | d: PowerPoint Read more
1843. What is the binary representation of decimal number 31?
✅ B. 11111
a: 11110 | b: 11111 | c: 1f | d: 100000 Read more
1844. 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
1845. 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
1846. What is the binary representation of decimal number 30?
✅ C. 11110
a: 1e | b: 11101 | c: 11110 | d: 11111 Read more
1847. 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
1848. Which device displays visual output from a computer?
✅ B. Monitor
a: Mouse | b: Monitor | c: Scanner | d: Microphone Read more
1849. What is the binary representation of decimal number 31?
✅ B. 11111
a: 11110 | b: 11111 | c: 1f | d: 100000 Read more
1850. What is the binary representation of decimal number 29?
✅ C. 11101
a: 1d | b: 11110 | c: 11101 | d: 11100 Read more
1851. Which device is primarily used to enter text into a computer?
✅ B. Keyboard
a: Monitor | b: Keyboard | c: Speaker | d: Projector Read more
1852. What is the binary representation of decimal number 30?
✅ C. 11110
a: 1e | b: 11101 | c: 11110 | d: 11111 Read more
1853. What is the binary representation of decimal number 28?
✅ C. 11100
a: 11011 | b: 11101 | c: 11100 | d: 1c Read more
1854. 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
1855. What is the binary representation of decimal number 29?
✅ C. 11101
a: 1d | b: 11110 | c: 11101 | d: 11100 Read more
1856. What is the binary representation of decimal number 27?
✅ A. 11011
a: 11011 | b: 11100 | c: 11010 | d: 1b Read more
1857. Which file extension is commonly associated with a PDF document?
✅ D. .pdf
a: .exe | b: .mp3 | c: .xlsx | d: .pdf Read more
1858. What is the binary representation of decimal number 28?
✅ C. 11100
a: 11011 | b: 11101 | c: 11100 | d: 1c Read more
1859. What is the binary representation of decimal number 26?
✅ B. 11010
a: 1a | b: 11010 | c: 11001 | d: 11011 Read more
1860. Which protocol is commonly used to load secure websites?
✅ B. HTTPS
a: Telnet only | b: HTTPS | c: SMTP | d: FTP only Read more