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Thursday, 26 February 2026
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Data Processing Past Questions and Answers

Data Processing Questions

Question 1:
Which of the following persons invented the punch card machine?
  • A Blaise Pascal
  • B Gottfried Leibniz
  • C J. Prosper Eckert
  • D Dr. Herman Hollerith
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Question 2:
Convert 478 to its binary equivalent.
  • A 100111\(_2\)
  • B 110011\(_2\)
  • C 10001\(_2\)
  • D 1111011\(_2\)
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Question 3:
The operation of checking input data against specified criteria is referred to as.
  • A Data verification
  • B Data validation
  • C Data cross check
  • D Data control
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Question 4:
Which of the following is not a source of data collection.
  • A Observation
  • B Interview
  • C Questionnaire
  • D Classification
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Question 5:
Which of the following is true about digital computers.
  • A They consist of magnetic core memory.
  • B They understand data as a continuous measurement of a physical quantity.
  • C They represent numbers through a string of binary digits.
  • D They are mainly used for scientific purposes.
View Answer & Explanation