100 Basic Computer Related G.K. Questions Page – 2

21. Unit of measurement of the output quality of a printer? Dot per sq. inch

22. What is correcting errors in a program called? Debugging

23. Which button makes alphabets/letters in uppercase and lowercase and numbers to symbols? Shift

24. What is a joy stick primarily in computers used for? Computer Gaming

25. MSIC stands for _______? Medium Scale Integrated Circuits

26. The scrambling of code is known as _______? Encryption

27. The first computers were programmed using _______? Machine Language

28. When a computer is switched on, the booting process performs _______? Power on self test

29. What is the software frequently utilized by end users called (like Word, PowerPoint)? Application Software

30. Switching device of fifth generation computer is _______? VLSI

31. The unit KIPS is used to measure the speed of _______? Processor

32. Name of 1st electronic computer? ENIAC

33. No. of different characters in ASCII coding system? 1024

34. A fault in a computer program which prevents it from working correctly is known as _______? Bug

35. DOS stands for _______? Disk Operating System

36. BCD is _______? Binary Coded Decimal

37. What type of virus uses computer hosts to reproduce itself? Worm

38. SMTP, FTP and DNS are applications of the _______ layer? Application

39. In 1999, the Melissa virus was a widely publicized _______? E-mail virus

40. Which of the following commands is given to reboot the computer? Ctrl+Alt+Del

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