JAMB Computer Studies questions

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

1. Question 221· 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

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2. Question 222· Programming languages and BASIC· JAMB

   In BASIC, REM is used to

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

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3. Question 223· 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

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4. Question 224· Programming languages and BASIC· JAMB

   Object-oriented programming is based on

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

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5. Question 225· Programming languages and BASIC· JAMB

   Machine language consists of

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

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6. Question 226· Programming languages and BASIC· JAMB

   Fourth-generation languages (4GLs) such as SQL are

   • Acloser to natural language and need less coding
   • Bbinary codes
   • Cassembly languages
   • Dmachine-specific

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7. Question 227· Programming languages and BASIC· JAMB

   In BASIC, the statement used to display output on the screen is

   • AEND
   • BINPUT
   • CLET
   • DPRINT

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8. Question 228· Programming languages and BASIC· JAMB

   Python, Java and C are examples of

   • Aweb browsers
   • Boperating systems
   • Chigh-level programming languages
   • Dhardware devices

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9. Question 229· Programming languages and BASIC· JAMB

   Object-oriented programming organises code into

   • Abinary only
   • Bflowcharts
   • Cclasses and objects
   • Dtables

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10. Question 230· Programming languages and BASIC· JAMB

    A logic error in a program causes

    • Aa syntax message
    • Bthe program to be rejected by the compiler
    • Cdamage to the hardware
    • Dwrong results even though the program runs

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11. Question 231· Programming languages and BASIC· JAMB

    A FOR...NEXT statement in BASIC is used for

    • Adecision making
    • Brepetition (looping)
    • Cinput only
    • Dending the program

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12. Question 232· Programming languages and BASIC· JAMB

    A variable in a program is

    • Aa fixed number
    • Ba named storage location whose value can change
    • Ca comment
    • Dan error

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13. Question 233· Programming languages and BASIC· JAMB

    In BASIC, the statement INPUT A is used to

    • Adelete A
    • Bprint A
    • Caccept a value from the user into A
    • Dend the program

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14. Question 234· Programming languages and BASIC· JAMB

    In BASIC, after 10 LET X = 4 and 20 LET Y = X * 3 + 2, the value of Y is

    • A14
    • B20
    • C12
    • D18

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15. Question 235· Programming languages and BASIC· JAMB

    What does this BASIC program print? 10 LET A = 5 20 LET B = A ^ 2 − 3 30 PRINT B

    • A22
    • B7
    • C25
    • D13

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16. Question 236· Programming languages and BASIC· JAMB

    A logic error is one that

    • Acrashes the hardware
    • Bstops the program compiling
    • Cis a typing mistake only
    • Dcauses wrong results even though the program runs

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17. Question 237· Programming languages and BASIC· JAMB

    Which of these is a low-level language?

    • APython
    • Bassembly language
    • CJava
    • DCOBOL

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18. Question 238· Software and operating systems· JAMB

    Multitasking means

    • Ausing many keyboards
    • Brunning more than one program at the same time
    • Crunning one program only
    • Dprinting many copies

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19. Question 239· Software and operating systems· JAMB

    The software licence that allows use free of charge but keeps the code closed is

    • Aopen source
    • Bfreeware
    • Cshareware with full code
    • Dpublic domain only

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20. Question 240· Software and operating systems· JAMB

    A command-line interface requires the user to

    • Aspeak only
    • Bclick icons
    • Ctype commands
    • Dtouch the screen only

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    Explanation and discussion