WAEC Data Processing 2023 past questions

Checked by the Skolra question team · Last updated 15 October 2026

Ten questions from the 2023 WAEC Data Processing paper, with answers and explanations. We hold 33 questions from this paper, and the Skolra app has all of them.

WAEC Data Processing 2023 questions and answers

1. 1.The process of drawing inference from a piece of information is called
   1. A
      Data capture
   2. B
      Interpretation
      Correct
   3. C
      Storage
   4. D
      Data collection
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   Answer: B

   Interpretation is the stage where conclusions or inferences are drawn from processed information, unlike collection, capture or storage which handle raw data.
2. 2.A digital platform for the delivery of public sector information and seminar to citizens is called
   1. A
      E-government
      Correct
   2. B
      E-learning
   3. C
      E-banking
   4. D
      E-commerce
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   Answer: A

   E-government refers to the digital delivery of public sector information and services to citizens, distinct from commerce, learning or banking platforms.
3. 3.When performing computer recovery operations after a system crash, the startup disk is used to
   1. A
      Run only antivirus scans
   2. B
      Boot/load the operating system when normal startup fails
      Correct
   3. C
      Permanently store user files
   4. D
      Format the hard disk automatically
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   Answer: B

   A startup disk contains the minimal files needed to boot and load the operating system, used during recovery when the computer cannot start normally from its hard disk.
4. 4.Which of the following devices is needed by a technician for protection against electrostatic discharge?
   1. A
      Keyboard protector
   2. B
      Uninterruptible power supply
   3. C
      Surge protector
   4. D
      Anti-static wrist strap
      Correct
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   Answer: D

   An anti-static wrist strap grounds a technician's body to safely discharge static electricity before touching sensitive internal components.
5. 5.The speed of access to files in a random access file compared to other file organization methods is
   1. A
      Faster, since any record can be accessed directly
      Correct
   2. B
      Dependent only on file size, not method
   3. C
      The same as sequential access
   4. D
      Slower, since records must be read in order
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   Answer: A

   Random (direct) access allows a record to be retrieved straight away without reading through preceding records, making it faster than sequential or serial methods for individual record access.
6. 6.A pointing device that controls cursor movement on the screen is
   1. A
      Printer
   2. B
      Scanner
   3. C
      Keyboard
   4. D
      Mouse
      Correct
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   Answer: D

   The mouse is the standard pointing device that moves the on-screen cursor as the user moves it.
7. 7.The information processing stage that produces detailed evaluation of data is
   1. A
      Output
   2. B
      Input
   3. C
      Storage
   4. D
      Processing
      Correct
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   Answer: D

   The processing stage transforms raw data into meaningful information through operations such as calculation, analysis and evaluation, unlike input (entering data), output (presenting results) or storage (retaining data).
8. 8.People who use cathode ray tube monitor without antiglare screen are susceptible to
   1. A
      Eye strain
      Correct
   2. B
      Hearing loss
   3. C
      Hair loss
   4. D
      Skin burns
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   Answer: A

   CRT monitors without an antiglare screen produce glare and flicker that strain the eyes with prolonged use, commonly causing eye strain and headaches.
9. 9.The Difference Engine and the Analytical Engine were invented by
   1. A
      Alan Turing
   2. B
      Blaise Pascal
   3. C
      Charles Babbage
      Correct
   4. D
      John von Neumann
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   Answer: C

   Charles Babbage designed both the Difference Engine and the Analytical Engine, earning him recognition as the father of the computer.
10. 10.One application of ICT in medicine is
    1. A
       Computer-aided design for buildings
    2. B
       Telemedicine
       Correct
    3. C
       E-commerce
    4. D
       Online banking
    Show answerHide answer

    Answer: B

    Telemedicine, the remote diagnosis and treatment of patients using ICT, is a direct application of ICT in medicine.

The questions come from past JAMB, WAEC and NECO papers. We use software to help write the answer options and explanations, and every answer is checked twice before it goes on the site. How we check

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Practise all 33 questions we hold from the 2023 paper, on a timed CBT screen

Every question has the answer and an explanation, in the Skolra app.

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