Computer Operator Practice Quiz — Quiz in Progress

Q1. Which of the following is the 'brain' of the computer? ARAM BCPU CHard disk DMotherboard

Q2. RAM is a type of: APermanent storage BVolatile memory COptical storage DOutput device

Q3. Which of these is an example of an operating system? AMicrosoft Word BGoogle Chrome CWindows 11 DPhotoshop

Q4. 1 gigabyte (GB) equals how many megabytes (MB)? A100 MB B1000 MB (approx. 1024) C10 MB D1,000,000 MB

Q5. Which device converts digital signals to analog for transmission over phone lines? ARouter BSwitch CModem DHub

Q6. HTTP stands for: AHyperText Transfer Protocol BHigh Tech Transfer Process CHyper Terminal Text Protocol DHome Tool Transfer Protocol

Q7. Which of the following is NOT an input device? AKeyboard BMouse CScanner DPrinter

Q8. The smallest unit of digital data is a: AByte BBit CNibble DWord

Q9. Which memory is closest to the CPU and fastest? AHard disk BCache memory CRAM DDVD

Q10. A computer virus is best described as: AA hardware failure BA malicious self-replicating program CAn operating system DA network cable fault

Q11. Which shortcut key copies selected text in most applications? ACtrl+V BCtrl+X CCtrl+C DCtrl+Z

Q12. The physical parts of a computer are collectively called: ASoftware BHardware CFirmware DMalware

Q13. Which generation of computers used vacuum tubes? AFirst BSecond CThird DFourth

Q14. IP address version 4 (IPv4) uses how many bits? A16 B32 C64 D128

Q15. Which file extension typically indicates an executable program in Windows? A.docx B.exe C.jpg D.mp3

Q16. What does WWW stand for? AWorld Wide Web BWide World Web CWorld Web Wide DWeb World Wide

Q17. Secondary storage devices include: ARAM and cache BHard disk, SSD and pen drives CCPU registers DMonitor and printer

Q18. Which topology connects all devices to a single central hub or switch? ARing BBus CStar DMesh

Q19. ASCII code is used for: AEncrypting files BRepresenting characters as numbers CCompressing images DSpeeding up the CPU

Q20. Which of these is system software? AExcel BDevice driver CInstagram DTally