1781. What is the binary representation of decimal number 12?
✅ A. 1100
a: 1100 | b: 1011 | c: 1101 | d: c Read more
Computer Science MCQs – Page 90
1782. Which device is primarily used to enter text into a computer?
✅ B. Keyboard
a: Monitor | b: Keyboard | c: Speaker | d: Projector Read more
1783. Which of these is a web browser?
✅ B. Mozilla Firefox
a: MySQL | b: Mozilla Firefox | c: Linux kernel | d: Python interpreter Read more
1784. What is the binary representation of decimal number 20?
✅ A. 10100
a: 10100 | b: 14 | c: 10011 | d: 10101 Read more
1785. 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
1786. What is the binary representation of decimal number 11?
✅ A. 1011
a: 1011 | b: 1100 | c: b | d: 1010 Read more
1787. 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
1788. What is the binary representation of decimal number 19?
✅ C. 10011
a: 13 | b: 10100 | c: 10011 | d: 10010 Read more
1789. What is the binary representation of decimal number 10?
✅ B. 1010
a: 1011 | b: 1010 | c: 1001 | d: a Read more
1790. 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
1791. Which file extension is commonly associated with a PDF document?
✅ D. .pdf
a: .exe | b: .mp3 | c: .xlsx | d: .pdf Read more
1792. What is the binary representation of decimal number 18?
✅ D. 10010
a: 10011 | b: 12 | c: 10001 | d: 10010 Read more
1793. Which technology allows nearby devices to exchange data wirelessly over short distances?
✅ B. Bluetooth
a: SATA | b: Bluetooth | c: HDMI | d: VGA Read more
1794. Which protocol is commonly used to load secure websites?
✅ B. HTTPS
a: Telnet only | b: HTTPS | c: SMTP | d: FTP only Read more
1795. What does DNS translate domain names into?
✅ C. IP addresses
a: Spreadsheet formulas | b: Audio frequencies | c: IP addresses | d: Image pixels Read more
1796. What does SQL commonly help users do?
✅ B. Query and manage relational databases
a: Design computer chips | b: Query and manage relational databases | c: Edit sound waves | d: Control screen resolution Read more
1797. What is the binary representation of decimal number 17?
✅ A. 10001
a: 10001 | b: 10000 | c: 11 | d: 10010 Read more
1798. 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
1799. 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
1800. What is the binary representation of decimal number 16?
✅ A. 10000
a: 10000 | b: 10001 | c: 1111 | d: 10 Read more