AdmitMe
All subjects

JAMB and WAEC Computer Studies questions: Algorithms and flowcharts

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

AllJAMBWAEC
All topicsAlgorithms and flowcharts · 39Application packages · 46Computer hardware and the CPU · 41Computer networks and the internet · 45Computer security, ethics and safety · 40Data processing and information · 40Evolution of computing · 42Input and output devices · 40Logic gates and Boolean algebra · 39Memory and storage devices · 44Number systems and data representation · 47Programming languages and BASIC · 43Software and operating systems · 42

  1. Question 21· Algorithms and flowcharts· WAEC

    A parallelogram in a flowchart represents

    Explanation and discussion

  2. Question 22· Algorithms and flowcharts· JAMB

    Sequence, selection and iteration are the

    Explanation and discussion

  3. Question 23· Algorithms and flowcharts· WAEC

    An algorithm sets X = 2 and then repeats 'X = X × 3' three times. What is the final value of X?

    Explanation and discussion

  4. Question 24· Algorithms and flowcharts· JAMB

    S = 0; for i = 1 to 4: S = S + i. What is the final value of S?

    Explanation and discussion

  5. Question 25· Algorithms and flowcharts· JAMB

    X = 10; while X > 1: X = X / 2. How many times does the loop run?

    Explanation and discussion

  6. Question 26· Algorithms and flowcharts· WAEC

    In a flowchart, a decision is shown by a

    Explanation and discussion

  7. Question 27· Algorithms and flowcharts· JAMB

    A good algorithm must

    Explanation and discussion

  8. Question 28· Algorithms and flowcharts· WAEC

    The oval symbol in a flowchart indicates

    Explanation and discussion

  9. Question 29· Algorithms and flowcharts· JAMB

    A rectangle in a flowchart represents

    Explanation and discussion

  10. Question 30· Algorithms and flowcharts· WAEC

    Pseudocode is

    Explanation and discussion

  11. Question 31· Algorithms and flowcharts· WAEC

    The oval (terminal) symbol in a flowchart shows

    Explanation and discussion

  12. Question 32· Algorithms and flowcharts· JAMB

    Bubble sort works by

    Explanation and discussion

  13. Question 33· Algorithms and flowcharts· JAMB

    In a flowchart, input and output operations are shown by a

    Explanation and discussion

  14. Question 34· Algorithms and flowcharts· WAEC

    Input and output in a flowchart are shown by a

    Explanation and discussion

  15. Question 35· Algorithms and flowcharts· JAMB

    An algorithm reads two numbers A = 8 and B = 3, then prints A MOD B. The output is

    Explanation and discussion

  16. Question 36· Algorithms and flowcharts· WAEC

    A loop that repeats a fixed number of times, such as "FOR I = 1 TO 10", runs its body

    Explanation and discussion

  17. Question 37· Algorithms and flowcharts· WAEC

    In a flowchart, an oval (terminal) symbol shows

    Explanation and discussion

  18. Question 38· Algorithms and flowcharts· WAEC

    In a flowchart, a parallelogram represents

    Explanation and discussion

  19. Question 39· Algorithms and flowcharts· JAMB

    A step-by-step set of instructions for solving a problem is

    Explanation and discussion

Practise Computer Studies like the real exam. A timed CBT, your score, and the topics to fix.

Start a Computer Studies test