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    Form Four Grammar CSC

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    Geries Teh
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    Form Four Grammar CSC

    Uploaded by

    Geries Teh
    1 views3 pages
    Form 5 evaluation

    Original Title

    FORM FOUR GRAMMAR CSC

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    © © All Rights Reserved

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    1 views3 pages

    Form Four Grammar CSC

    Uploaded by

    Geries Teh
    Form 5 evaluation

    Copyright:

    © All Rights Reserved
    Download as DOCX, PDF, TXT or read online from Scribd
    Download as docx, pdf, or txt
    of 3

    REPUBLIC OF CAMEROON REPUBLIQUE DU CAMEROUN

    Peace – Work – Fatherland Paix - Travail – Patire

    MINISTRY OF SECONDARY EDUCATION MINISTERE DES ENSEIGNEMENTS SECONDAIRES


    CHUO EDUCATIONAL ESTABLISHMENT EXAMINATION BOARD (CEEEB)
    AYUNGHA BILINGUAL COMPREHENSIVE HIGH SCHOOL NGOUSSO
    CHUO BILINGUAL COMPREHENSIVE HIGH SCHOOL CARRIERE
    CHRIST THE KING ANGLO-SAXONBOARDING COLLEGE NKOLFOULOU SOA YAOUNDE
    SAINT ALBERT COMPREHENSIVE HIGH SCHOOL NKOL-FOULOU SOA YAOUNDE
    GOOD SHEPARD INTERNATIONAL BILINGUAL COLLEGE CONGO
    UNITY BILINGUAL COLLEGE BATA-NLONGKAK YAOUNDE (UBC)
    GENERAL, TECHNICAL COMMERCIAL AND INDUSTRIAL EDUCATION
    TEL: 675 501 832 / 670 130 202
    FIRST TERM SEQUENTIAL EXAMS.
    SUBJECT COMPUTER SCIENCE

    CLASS FORM FOUR GRAMMAR DATE:

    NAME DURATION: 2HRS

    Instructions: students are required to answer all the questions

    SECTION A: EVALUATION OF KNOWLEDGE MCQs (10marks)

    INSTRUCTION: Each question has FOUR suggested answers: A, B, C, and D. Decide on


    which answer is correct and mark an x on the letter of the correct answer.

    1. The given truth table is for the ___________ gate

    x y Q

    0 0 1

    0 1 1

    1 0 1

    1 1 0

    a. NAND
    b. NOR
    c. AND
    d. OR
    2. Which part interprets program instruction and initiate control operation?
    a. Input
    b. Storage unit
    c. Logic unit
    d. Control unit
    3. Which of the following constitute the CPU cycle?
    a. Fetch –execute – decode
    b. Fetch – decode – execute
    c. Decode – fetch –execute
    d. Decode – fetch -execute
    4. Software with powerful layout facilities designed to create books and brochure with text,
    graphics and color is?
    a. Spreadsheet
    b. Word processor
    c. Desktop publishing
    d. Database
    5. The brain is to a man as ___________ is to a computer
    a. The motherboard
    b. The processor
    c. Memory
    d. The hard drive
    6. ___________contains a battery which enables the computer to keep data and time.
    a. BIOS
    b. CMOS
    c. Time
    d. calendar
    7. which one is the odd item below
    a. Microsoft office
    b. Linux
    c. Unix
    d. Microsoft windows
    8. Which of the following computer ports is used to connect the keyboard of the mouse
    a. Serial port
    b. VGA port
    c. Game port
    d. PS/2
    9. It is the component of the CPU that is in charge of executing commands
    a. Control unit
    b. Control union
    c. ALU
    d. Register
    10. The path through which electronic bits are transmitted from one internal component of the
    computer to another is called:
    a. Communication
    b. Medium
    c. Bus
    d. Cable

    SECTION B: EVALUATION OF COMPETENCE (20 marks)

    1. Differentiate between application and system software with examples 2 marks


    2. Outline four functions of an operating system 2 marks
    3. Given the following Boolean equation: Z=A.’B+A.B’
    i) Draw the Boolean circuit 3 marks
    ii) Complete the corresponding truth table below 3 marks
    A B A’ B’ A’. A.B’ Z
    B

    0 0

    0 1

    1 0

    1 1

    4. Describe the machine cycle 3 marks


    5. Give the difference between open-source software and custom written software 3 marks
    6. List three components of the processor the functions each of the plays 3 marks
    7. Define the following 3 marks
    I. Software
    II. Operating system
    8. State and explain two functions of an operating system 3 marks
    9. Give three qualities of a good software 2 marks
    10. Write in full
    I. CMOS
    II. BIOS 3 marks

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