Waec Data Processing Past Questions For Year 2021

Question 1

Which of the following statements is true?

waec 2021

  • A. Data leads to information and information leads to knowledge
  • B. Data leads to knowledge and knowledge leads to information
  • C. Information leads to data and data leads to knowledge
  • D. Knowledge leads to information and information leads to data
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Question 2

The number 101100101\(2\) in denary is

waec 2021

  • A. 753
  • B. 653
  • C. 357
  • D. 356
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Question 3

The term Garbage-In-Garbage-Out is used to explain the characteristics of the computer in terms of

waec 2021

  • A. storage
  • B. speed
  • C. power
  • D. accuracy
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Question 4

The main component of the first generation computer was

waec 2021

  • A. microchip
  • B. transistor
  • C. integrated circuit
  • D. electronic valve
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Question 5

Which of the following actions is not a source of computer virus?

waec 2021

  • A. Checking of e-mail
  • B. Downloading programs
  • C. Reading form CD/DVD
  • D. Uploading data
View Answer and Explanation