Computer MCQ Questions and Answers Quiz

101. A program that performs a useful task while simultaneously allowing destructive acts is a:

  1. Worm.
  2. Trojan horse.
  3. Virus.
  4. Macro virus.

102. The typical computer criminal is a(n):

  1. Young hacker.
  2. Trusted employee with no criminal record.
  3. Trusted employee with a long, but unknown criminal record.
  4. Overseas young cracker.

103. Which of the following is not a binary number?

  1. 1
  2. 101
  3. 202
  4. 110

104. ASCII is a coding system that provides

  1. 256 different characters
  2. 512 different characters
  3. 1024 different characters
  4. 128 different characters

105. 1 Byte =?

  1. 8 bits
  2. 4 bits
  3. 2 bits
  4. 9 bits

106. A modem is connected to

  1. a telephone line
  2. a keyboard
  3. a printer
  4. a monitor

107. What is the name of an application program that gathers user information and sends itto someone through the Internet?

  1. A virus
  2. Spybot
  3. Logic bomb
  4. Security patch

108. Which of the following helps to protect floppy disks from data getting accidentallyerased?

  1. Access notch
  2. Write-protect notch
  3. Entry notch
  4. Input notch

109. ............ Store data or information temporarily and pass it on as directed by the controlunit

  1. Address
  2. Register
  3. Number
  4. Memory

110. Light pen and joystick are............

  1. Algorithm
  2. Input devices
  3. Output devices
  4. Portals
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