1961. 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
Computer Science MCQs – Page 99
1962. What is the binary representation of decimal number 29?
✅ C. 11101
a: 1d | b: 11110 | c: 11101 | d: 11100 Read more
1963. 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
1964. What is the binary representation of decimal number 28?
✅ C. 11100
a: 11011 | b: 11101 | c: 11100 | d: 1c Read more
1965. What does DNS translate domain names into?
✅ C. IP addresses
a: Spreadsheet formulas | b: Audio frequencies | c: IP addresses | d: Image pixels Read more
1966. What is the binary representation of decimal number 27?
✅ A. 11011
a: 11011 | b: 11100 | c: 11010 | d: 1b Read more
1967. 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
1968. What is the binary representation of decimal number 26?
✅ B. 11010
a: 1a | b: 11010 | c: 11001 | d: 11011 Read more
1969. Which is an example of an open-source operating system?
✅ C. Linux
a: Microsoft Excel | b: Adobe Photoshop | c: Linux | d: PowerPoint Read more
1970. What is the binary representation of decimal number 25?
✅ B. 11001
a: 11010 | b: 11001 | c: 11000 | d: 19 Read more
1971. 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
1972. What is the binary representation of decimal number 24?
✅ D. 11000
a: 10111 | b: 18 | c: 11001 | d: 11000 Read more
1973. 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
1974. What is the binary representation of decimal number 23?
✅ D. 10111
a: 17 | b: 11000 | c: 10110 | d: 10111 Read more
1975. Which device displays visual output from a computer?
✅ B. Monitor
a: Mouse | b: Monitor | c: Scanner | d: Microphone Read more
1976. Which device is primarily used to enter text into a computer?
✅ B. Keyboard
a: Monitor | b: Keyboard | c: Speaker | d: Projector Read more
1977. What is the binary representation of decimal number 22?
✅ B. 10110
a: 10111 | b: 10110 | c: 16 | d: 10101 Read more
1978. 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
1979. What is the binary representation of decimal number 21?
✅ C. 10101
a: 10110 | b: 10100 | c: 10101 | d: 15 Read more
1980. What is the binary representation of decimal number 20?
✅ A. 10100
a: 10100 | b: 14 | c: 10011 | d: 10101 Read more