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WAEC Computer Studies questions

291 questions with answers and explanations. Tap an option to check yourself.

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All topicsAlgorithms and flowcharts · 21Application packages · 25Computer hardware and the CPU · 21Computer networks and the internet · 23Computer security, ethics and safety · 22Data processing and information · 22Evolution of computing · 23Input and output devices · 22Logic gates and Boolean algebra · 21Memory and storage devices · 23Number systems and data representation · 24Programming languages and BASIC · 22Software and operating systems · 22

  1. Question 121· Data processing and information· WAEC

    Information is

    Explanation and discussion

  2. Question 122· Data processing and information· WAEC

    Raw facts that have not been processed are called

    Explanation and discussion

  3. Question 123· Data processing and information· WAEC

    The stages of the data processing cycle are

    Explanation and discussion

  4. Question 124· Data processing and information· WAEC

    Processing transactions in groups at a set time, such as payroll at month end, is

    Explanation and discussion

  5. Question 125· Data processing and information· WAEC

    A primary key in a database

    Explanation and discussion

  6. Question 126· Data processing and information· WAEC

    Sorting arranges records

    Explanation and discussion

  7. Question 127· Data processing and information· WAEC

    Checking that data entered falls within an acceptable range is

    Explanation and discussion

  8. Question 128· Data processing and information· WAEC

    Arranging records in alphabetical or numerical order is

    Explanation and discussion

  9. Question 129· Data processing and information· WAEC

    The basic data processing cycle is

    Explanation and discussion

  10. Question 130· Data processing and information· WAEC

    A collection of related records is a

    Explanation and discussion

  11. Question 131· Data processing and information· WAEC

    Verification of data means checking that

    Explanation and discussion

  12. Question 132· Data processing and information· WAEC

    Sorting data means

    Explanation and discussion

  13. Question 133· Data processing and information· WAEC

    Processing student examination results all together after the exams end is an example of

    Explanation and discussion

  14. Question 134· Data processing and information· WAEC

    A field in a database is

    Explanation and discussion

  15. Question 135· Evolution of computing· WAEC

    Second-generation computers used

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  16. Question 136· Evolution of computing· WAEC

    Compared with first-generation machines, transistor-based computers were

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  17. Question 137· Evolution of computing· WAEC

    Blaise Pascal invented an early

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  18. Question 138· Evolution of computing· WAEC

    The device that used holes in cards to control weaving patterns was the

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  19. Question 139· Evolution of computing· WAEC

    The first general-purpose fully electronic computer was the

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  20. Question 140· Evolution of computing· WAEC

    Joseph Jacquard's loom is important in computing history because it used

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