861. What is the binary representation of decimal number 223?
✅ A. 11011111
a: 11011111 | b: 11100000 | c: df | d: 11011110 Read more
Computer Science MCQs – Page 44
862. What does DNS translate domain names into?
✅ C. IP addresses
a: Spreadsheet formulas | b: Audio frequencies | c: IP addresses | d: Image pixels Read more
863. What is the binary representation of decimal number 222?
✅ B. 11011110
a: de | b: 11011110 | c: 11011111 | d: 11011101 Read more
864. 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
865. What is the binary representation of decimal number 221?
✅ C. 11011101
a: dd | b: 11011110 | c: 11011101 | d: 11011100 Read more
866. Which is an example of an open-source operating system?
✅ C. Linux
a: Microsoft Excel | b: Adobe Photoshop | c: Linux | d: PowerPoint Read more
867. What is the binary representation of decimal number 220?
✅ B. 11011100
a: 11011011 | b: 11011100 | c: dc | d: 11011101 Read more
868. 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
869. What is the binary representation of decimal number 219?
✅ A. 11011011
a: 11011011 | b: 11011010 | c: db | d: 11011100 Read more
870. 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
871. What is the binary representation of decimal number 218?
✅ C. 11011010
a: 11011001 | b: 11011011 | c: 11011010 | d: da Read more
872. Which device displays visual output from a computer?
✅ B. Monitor
a: Mouse | b: Monitor | c: Scanner | d: Microphone Read more
873. What is the binary representation of decimal number 217?
✅ C. 11011001
a: 11011010 | b: 11011000 | c: 11011001 | d: d9 Read more
874. Which device is primarily used to enter text into a computer?
✅ B. Keyboard
a: Monitor | b: Keyboard | c: Speaker | d: Projector Read more
875. What is the binary representation of decimal number 216?
✅ B. 11011000
a: 11011001 | b: 11011000 | c: 11010111 | d: d8 Read more
876. 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
877. What is the binary representation of decimal number 215?
✅ B. 11010111
a: d7 | b: 11010111 | c: 11011000 | d: 11010110 Read more
878. Which file extension is commonly associated with a PDF document?
✅ D. .pdf
a: .exe | b: .mp3 | c: .xlsx | d: .pdf Read more
879. What is the binary representation of decimal number 214?
✅ A. 11010110
a: 11010110 | b: d6 | c: 11010101 | d: 11010111 Read more
880. Which protocol is commonly used to load secure websites?
✅ B. HTTPS
a: Telnet only | b: HTTPS | c: SMTP | d: FTP only Read more