JAMB and WAEC Computer Studies questions: Programming languages and BASIC

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

1. Question 1· Programming languages and BASIC· WAEC

   A programmer translates her whole C++ program once and then runs the machine code many times. She used

   • Aan assembler
   • Ban interpreter
   • Ca compiler
   • Da debugger

   Show answer

   Explanation and discussion

2. Question 2· Programming languages and BASIC· WAEC

   A program that runs but gives wrong results has a

   • Asyntax error
   • Blogic error
   • Ccompilation error
   • Dtyping speed problem

   Show answer

   Explanation and discussion

3. Question 3· Programming languages and BASIC· WAEC

   Which of these is a high-level language?

   • Aassembly language
   • Bmachine code
   • CPython
   • Dbinary

   Show answer

   Explanation and discussion

4. Question 4· Programming languages and BASIC· JAMB

   In an array A of 10 elements indexed from 1, A(4) refers to

   • Athe last element
   • Bthe first element
   • Cfour elements
   • Dthe fourth element

   Show answer

   Explanation and discussion

5. Question 5· Programming languages and BASIC· JAMB

   An error that breaks the grammar rules of a programming language is

   • Aa logic error
   • Ba syntax error
   • Ca hardware fault
   • Da power failure

   Show answer

   Explanation and discussion

6. Question 6· Programming languages and BASIC· WAEC

   An advantage of high-level languages over machine language is that they are

   • Aeasier to learn and understand
   • Bexecuted directly without translation
   • Cwritten only in 0s and 1s
   • Dfaster to run in every case

   Show answer

   Explanation and discussion

7. Question 7· Programming languages and BASIC· JAMB

   Assembly language uses

   • Aflowchart symbols
   • Bonly 0s and 1s
   • Cplain English sentences
   • Dmnemonics such as ADD and MOV

   Show answer

   Explanation and discussion

8. Question 8· Programming languages and BASIC· JAMB

   An array is

   • Aa single variable
   • Ba collection of items of the same type stored under one name
   • Can error
   • Da loop

   Show answer

   Explanation and discussion

9. Question 9· Programming languages and BASIC· WAEC

   Which language can a computer's processor execute directly without translation?

   • APython
   • Bmachine language
   • CBASIC
   • Dassembly language

   Show answer

   Explanation and discussion

10. Question 10· Programming languages and BASIC· JAMB

    BASIC stands for

    • ABinary Assembly Standard Instruction Code
    • BBasic Algorithmic System of Integrated Codes
    • CBeginner's All-purpose Symbolic Instruction Code
    • DBeginner's Applied Software Integrated Code

    Show answer

    Explanation and discussion

11. Question 11· Programming languages and BASIC· JAMB

    In BASIC, REM is used to

    • Aend the program
    • Bread data
    • Crepeat a loop
    • Dwrite comments

    Show answer

    Explanation and discussion

12. Question 12· Programming languages and BASIC· WAEC

    An assembler converts

    • Aassembly language into machine code
    • Bhigh-level language into English
    • Cmachine code into pictures
    • Ddata into information

    Show answer

    Explanation and discussion

13. Question 13· Programming languages and BASIC· WAEC

    A translator that translates and executes a program line by line is an

    • Ainterpreter
    • Bcompiler
    • Cassembler
    • Deditor

    Show answer

    Explanation and discussion

14. Question 14· Programming languages and BASIC· WAEC

    A disadvantage of machine language is that it is

    • Aportable to all computers
    • Btranslated by a compiler
    • Cclose to English
    • Ddifficult to write and machine-dependent

    Show answer

    Explanation and discussion

15. Question 15· Programming languages and BASIC· JAMB

    A compiler translates

    • Amachine code into English
    • Bone line at a time
    • Ca whole high-level program into machine code before execution
    • Dassembly into flowcharts

    Show answer

    Explanation and discussion

16. Question 16· Programming languages and BASIC· JAMB

    Object-oriented programming is based on

    • Aflowcharts only
    • Bobjects that combine data and methods
    • Cmachine code
    • Dpunched cards

    Show answer

    Explanation and discussion

17. Question 17· Programming languages and BASIC· JAMB

    Machine language consists of

    • Amnemonics such as ADD
    • BEnglish-like words
    • Cbinary digits 0 and 1
    • Dpictures and icons

    Show answer

    Explanation and discussion

18. Question 18· Programming languages and BASIC· WAEC

    A variable in programming is

    • Aa loop
    • Ba fixed number
    • Ca printer
    • Da named storage location whose value can change

    Show answer

    Explanation and discussion

19. Question 19· Programming languages and BASIC· WAEC

    Assembly language uses short codes such as ADD and MOV called

    • Akeywords of BASIC
    • Bmnemonics
    • Cpixels
    • Dprotocols

    Show answer

    Explanation and discussion

20. Question 20· Programming languages and BASIC· WAEC

    A syntax error occurs when

    • Athe computer is off
    • Bthe program gives wrong results
    • Cthe rules of the language are broken
    • Dthe printer jams

    Show answer

    Explanation and discussion