WAEC Data Processing 2015 Question 5

Question 5

Classification of Computers

Which of the following is true about digital computers?

  1. A.They consist of magnetic core memory
  2. B.They recognize data as a continuous measurement of a physical quantity
  3. C.They represent numbers through a string of binary digits
  4. D.They are mainly used for scientific purposes
Show the answer and explanation

Answer: C (They represent numbers through a string of binary digits)

Explanation

Digital computers work with discrete binary digits (0s and 1s); continuous measurement describes analogue computers.