WAEC - Data Processing (2024)

  • 1
    The Stepped Reckoner was developed by
    Atsakymas
    (A)
    Gottfied Leibnitz.
  • 2
    The binary number 100101, can be written in denary as
    Atsakymas
    (B)
    37
  • 3
    The first stage in computer data processing procedure is
    Atsakymas
    (A)
    collection of data
  • 4
    One advantage of electronic data processing is that it
    Atsakymas
    (D)
    handles complex data
  • 5
    The type of computer that has the ability of counting in discrete form is referred to as
    Atsakymas
    (B)
    digital computer
  • 6
    One reason for using Computer Aided Design in manufacturing is that
    Atsakymas
    (D)
    3D designs are easily produced with it.
  • 7
    Which one of the following statements is true about Voice Over IP? it
    Atsakymas
    (A)
    converts voice and video data into a digital signal and transfers it over the Internet.
  • 8
    Which one of the following sets of devices can be used to store data during processing?
    Atsakymas
    (A)
    Cache, RAM and Register
  • 9
    The process of inspecting, transforming and modeling data to get useful information is known as
    Atsakymas
    (D)
    analysis
  • 10
    One disadvantage of using computer for information processing is
    Atsakymas
    (B)
    increased running cost in the long run
  • 11

    The diagram in Figure 1 illustrates process called 

    Atsakymas
    (B)
    information transmission
  • 12
    The transmitter in communication is the component that 
    Atsakymas
    (D)
    launches signal into the air
  • 13
    Which of the following resources is not usually shared in a network?
    Atsakymas
    (A)
    VGA projector
  • 14
    Factors to be considered when creating a backup system in a computer network include
    Atsakymas
    (C)
    media to use, amount of data and frequency of backup.
  • 15
    The URL www.exams.edu.ng represents the website of
    Atsakymas
    (A)
    an examination body
  • 16
    The Post Ofice Protocol (POP) is used to
    Atsakymas
    (B)
    retrieve email from a mail server
  • 17
    A user working on a computer that is running on Windows 7 issued the com- mand "Ctrl + Alt + Del" while typing a document.
    What interface is expected to be displayed on the screen?
    Atsakymas
    (C)
    Windows Security
  • 18
    Header and Footer are added to a document in MS Word by just clicking on the
    Atsakymas
    (C)
    Insert menu
  • 19
    A typist positioned the insertion point at the beginning of a line of text in a word processor and then pressed down the Shift key and clicked at the opposite end of the text. What would be the result of this action? The text will be 
    Atsakymas
    (D)
    highlighted on the screen.
  • 20

    The Microsoft Excel menu bar icon shown in Figure 2 is used to

    Atsakymas
    (D)
    organize data for easy analysis
  • 21

    To add a new column to the right of the IGR column on the interface in the figure above, the user would.

    Atsakymas
    (D)
    right click on column D and the click on user
  • 22
    The function of the foreign key in a database is to 
    Atsakymas
    (B)
    provide a link between data in two tables
  • 23
    How many primary keys exist in the figure above?
    Atsakymas
    (A)
    3
  • 24

    Which of the following lists contains the primary keys in the figure above?

    Atsakymas
    (B)
    Customerld, Orderld, Productld.
  • 25
    Web design packages include the following, except
    Atsakymas
    (C)
    Front page
  • 26

    The part labelled IV in the image above is used to

    Atsakymas
    (C)
    draw lines and curves
  • 27
    One precautionary measure taken when cleaning a monitor is
    Atsakymas
    (C)
    unplugging the power supply cable
  • 28
    Which one of the following practices is considered ethical?
    Atsakymas
    (D)
    Signing into school e-library to read e-books
  • 29
    Proper network implementation and good ICT policies are types of 
    Atsakymas
    (D)
    preventive measures
  • 30
    Preventive maintenance measures in the computer room include the following options except
    Atsakymas
    (C)
    the use of rugs
  • 31
    A database administrator is responsible for the following tasks except
    Atsakymas
    (D)
    maintaining connection between local network and the network and the internet
  • 32
    Measures taken to avoid eye strain include the following except
    Atsakymas
    (D)
    relaxing the body regularly.
  • 33
    A computer virus replicates itself into other programs or certain areas on the disk during the
    Atsakymas
    (C)
    propagation phase
  • 34
    A malware that copies and replicates itself using computer network and security flaws is
    Atsakymas
    (D)
    Worm
  • 35

    The entities in the figure above are named

    Atsakymas
    (C)
    Student and Subject