WAEC - Data Processing (2021)

  • 1
    The main component of the first generation computer was
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    (D)
    electronic valve
  • 2
    The term Garbage-In-Garbage-Out is used to explain the characteristics of the computer in terms of
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    (D)
    accuracy
  • 3
    The number 101100101\(2\) in denary is
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    (C)
    357
  • 4
    Which of the following statements is true?
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    (A)
    Data leads to information and information leads to knowledge
  • 5
    The type of computer that counts in discrete form only is referred to as
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    (B)
    digital computer
  • 6
    Which of the following media involves point-to-point communication?
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    (C)
    Telephone
  • 7
    Fourth generation computer application can execute the following operations except
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    (A)
    digging of drainages
  • 8
    The joystick is mainly used for 
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    (B)
    drawing and playing computer games
  • 9
    The manipulation of digitalized information by computer or other electronic equipment is known as 
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    (D)
    information processing
  • 10
    Which of the following actions is not a source of computer virus?
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    (D)
    Uploading data
  • 11
    When information is conveyed from one space to another, it is referred to as information
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    (C)
    transmission
  • 12
    Which of the following file organizations requires primary Key?
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    (A)
    Indexed file organization
  • 13
    The protocol for transferring file(s) from one machine to another is
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    (C)
    FTP
  • 14
    Mr Francis has an office complex with 20 rooms. What type of network is suitable for connecting all the computers in their various rooms into a single network?
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    (A)
    LAN
  • 15
    The following software are web browsers except
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    (C)
    Linux
  • 16

    Use Figure 1 to answer question 16

    To visit the previous page using the interface in Figure 1, the user will click on the part labeled

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    (B)
    II
  • 17
    An operating systemthat enables more than one user to access the same data is called
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    (B)
    multi-user OS
  • 18
    The feature of a word document that shows the page, number of words and errors found in a document is the 
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    (C)
    status bar
  • 19

    Figure 2 shows a dialog box from Microsoft Word application. Use it to answer question 19

    Which of the following command shortcuts can be used to display the dialog bax in Figure when the application is running?

     

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    (B)
    Ctrl + S
  • 20
    S/N A B C D E F G H
    1 STAFF DAYS ITEMS SALES (N) ITEMS SALES (N) ITEMS SALES (N) ITEMS SALES (N) ITEMS SALES (N)

    ITEMS SALES (N)

    2 JOY MON 208 300 500 400 300 158
    3 AKIN TUE 300 200 500 400 200 200
    4 KEN WED 400 300 400 500 100 300
                     

    Figure 3

    The highest sale by Joy is recorded in cell

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    (D)
    E2
  • 21
    The formula to calculate the average of a given range of data from cell B2 to cell D4 in a Microsoft Excel worksheet is
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    (B)
    =AVERAGE (B2:D4)
  • 22
    The field in a database which uniquely identifies each record is called a 
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    (D)
    primary key
  • 23
    The correct order of the steps taken in creating a database from the database template in MS Access 2007 is
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    (A)
    click on the Office button --> click New --> choose a database of your choice
  • 24
    To show the whole presentation in Microsoft PowerPoint 2007, select slide show from the 
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    (D)
    menu bar
  • 25
    Web design packages includes the following except 
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    (D)
    Adobe PageMaker
  • 26

    Figure 4 shows CorelDraw tool bar. The part labeled is used to

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    (B)
    select objects
  • 27
    One precautionary measure taken when cleaning a monitor is 
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    (C)
    unplugging the power supply cable
  • 28
    The erratic movement of the mouse pointer is usually caused by
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    (B)
    dirty mouse ball
  • 29
    The use of the internet to perform illegal activities is generally called 
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    (A)
    cyber crime
  • 30
    One safety measure to consider in a computer room is 
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    (D)
    maintaining a dust-free environment
  • 31
    Security breaches in computing cannot be prevented through the use of
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    (D)
    firmware
  • 32
    A system analyst is a person who
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    (B)
    designs and implements new solutions
  • 33
    The malware which is programmed to initiate at a specific date or when a specific event occurs is called
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    (B)
    logic bomb
  • 34
    One advantage of information processing is that
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    (C)
    running cost becomes lower in the long term
  • 35
    The function of the SQL statement SELECT Student ID, Surname, House Name FROM Student, is that it 
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    (A)
    retrieves the listed fields from student table