Concepts Of IT MCQ Part 3

What is Mac? Ans: The Apple Mac is a computer. It uses different operating system. It requires special version of application program.

What is a PC?
Ans: PC- personal computer It is a micro-computer. It is a general purpose computer whose size, capabilities and price is limited which make it useful for individuals.

61.Which of the following icons on your Desktop most likely represent an application?
 A.  My Documents   B. My Computer   C. My Network Place    D. Internet Explorer

​62.How do viruses spread from one computer to another?
 A.  Through a physically sick user of the computer B. Via the use of infected disks
 C. Through internet or intranet    D. Both B. and C.  

63.Which key in the keyboard should you press to display the Start menu?
 A.  Windows      B.S          C. ENTER           D.A

64.  What is WordPad?
A. An operating system.  B. An application software  C.Free version of DOS  D.  Free version of MS Word.

65. The file extension .WAV indicates a/an
A.   Web page     B.  Database file    C.  Audio file      D.  Image file

66. Which one of the following statements about an organization’s information security policy is true?
A.   It only covers the licensing of software applications   B.  It solely deals with data held on computers C.  It is concerned with the handling of confidential data     D.  It applies to actions of the employer, not the employee

67.  Which one of these is an application software?
A.   Graphics Card    B.  Word Processor     C.  Central Processing Unit (CPU)    D.  Hard Disk

68. Which of the following performs a self-diagnostic check to see whether the computer is working or not during start up?
A. ROM-BIOS    B. RAM  C. Video Memory  D. CPU

69.Which of the following device(s) takes part in two-way communication?
A. Modem   B. Digital Camera    C. Web Cam   D. Both A and C

70. Microphone and touch pad are examples of --
A. Output devices    B. Input devices    C. Processing devices   D. Memory devices

71. By which device can we input voice?
A. Modem    B. Digital Camera   C. Web Cam  D. Microphone

72. Which one of the following statements about anti-virus software is true?
 a. Anti-virus software can detect all known viruses
 b. Anti-virus software can disinfect applications as well as files
 c. Before accessing the internet, you need to run a virus check.
 d. Deleting an infected file will eliminate the virus.

73. Which statement about computers and the environment is true?
 a. You can’t recycle paper form an inkjet printer   b. Using an animated screensaver saves power.   c. If a PC needs to be left on, you won’t save energy by switching off the monitor
 d.  Laptops on standby use less electricity than when running normally

74. Which of the following statements about the Internet is NOT true?
 a. It enables computers with different operating systems to exchange date   b. It is not controlled by any single organization
​c. You need a license to publish material on the internet
 d. It allows computer to share data over large distances

75. In general, which one of these computer types is the most powerful?
 a. Mainframe Computer     b.  Laptop    c. Server    d. Personal Computer

76. Where does the computer keep all its working files while working?
a. In the processor    b.  In RAM    c. In CD ROM    d. In Graphics Card

77.A computer virus is a program that:
A.  May be detected by anti-virus software          B. Cannot affect programmes on a computer
C. Can be avoided if you regularly back up your hard disk     D. Cannot enter your computer unless your computer is on a network