WAEC - Data Processing (2020)

  • 1
    The use of Visual Display Unit was a major breakthrough in the 
    Atsakymas
    (C)
    third generation computers
  • 2
    In hexadecimal system, D is equivalent to
    Atsakymas
    (C)
    13
  • 3
    A teacher computed the average score of students in a given test. The result of the computation describes 
    Atsakymas
    (B)
    information
  • 4
    The sum of 1102 and 1012 is
    Atsakymas
    (D)
    10112
  • 5
    One advantage of the first generation computers is
    Atsakymas
    (A)
    Processing speed
  • 6
    Magnetic Ink Charcter Recognition is applied on
    Atsakymas
    (D)
    bank cheques
  • 7
    Internet banking entails 
    Atsakymas
    (A)
    applying computer networks in banking operation
  • 8
    Which of the following parts of the computer ensures the smooth operation of its hardware?
    Atsakymas
    (B)
    Control unit
  • 9
    Basic computer operations include the following except
    Atsakymas
    (A)
    control
  • 10
    One disadvantage of electronic data processing is
    Atsakymas
    (D)
    vulnerability to attack
  • 11
    Which of the following sources of information is received by the user in visual mode only?
    Atsakymas
    (C)
    Photograph
  • 12
    Which of the options A to D is not a medium of information transmission?
    Atsakymas
    (C)
    Television set
  • 13
    A company has four computer system, one printer and one scanner for its daily operations. One factor that can motivate the company to connect all the devices in a network is the need to 
    Atsakymas
    (A)
    provide efficient services
  • 14
    One similarity  between the internet and intranet is that they both
    Atsakymas
    (B)
    use the same technology
  • 15
    The process of copying data or information form the internet to a personal computer is termed
    Atsakymas
    (B)
    downloading
  • 16
    An entrepreneur who wishes to send digital data over a telephone line would need a 
    Atsakymas
    (B)
    modem
  • 17
    Graphical User Interface is considered user friendly because of the following reasons except that it
    Atsakymas
    (A)
    compels the user to learn all the command before operating the system
  • 18
    The symbols dialog box of MS Word application is located on the 
    Atsakymas
    (C)
    insert menu
  • 19
    Pressing the key combination Ctrl + J on a selected text in a Microsoft Word document would
    Atsakymas
    (C)
    justify the paragraph
  • 20
    The merge button in spreadsheet application is used to 
    Atsakymas
    (B)
    convert selected cell into single cell
  • 21
    If cell A20 in MS Excel contains the value 5, then the formula "A=A20^3" will return a value equal to
    Atsakymas
    (D)
    125
  • 22
    A database contains list of customers and their phone numbers. What typ of relationship desribes a customer having multiple phone numbers?
    Atsakymas
    (C)
    One-to-many
  • 23

    The DBSM statement select* from Marksheet in table Marksheet will display all records in the fields;

    ID NAME SCORE GRADE
    001 Abdul 55 C
    002 Emeka 52 C
    003 Kola 49 P

     

    Atsakymas
    (D)
    ID, Name, Score and Grade
  • 24
    Which of the following objects is not located on the slide layout
    Atsakymas
    (A)
    Animations
  • 25
    The following programming tools are employed by a web developer except
    Atsakymas
    (A)
    COBOL
  • 26
    Graphics can be captured using the following devices except
    Atsakymas
    (C)
    joystick
  • 27
    Which of the following substances is used for cleaning the mouse ball
    Atsakymas
    (C)
    Isopropyl alcohol
  • 28
    One characteristics of a dirty mouse is that the mouse
    Atsakymas
    (D)
    pointer moves erratically
  • 29
    One responsible way of using the computer is
    Atsakymas
    (D)
    ethical hacking
  • 30
    Any activity carried out to protect the user from hazards while using the computer is called 
    Atsakymas
    (D)
    safety measures
  • 31
    In order to protect a computer on the World Wide Web from throats, the user should 
    Atsakymas
    (C)
    implement an internet security software
  • 32
    Responsibilities of a database administrator includes the following except performing
    Atsakymas
    (C)
    network maintenance
  • 33
    The following tools are used for protecting the computer against virus attack except
    Atsakymas
    (D)
    Trojan horse
  • 34
    Which of the following software replicates itself without being executed by the user
    Atsakymas
    (A)
    worm
  • 35
    In the model; Furniture (Table, Chair, Wardrobe) Furniture is...
    Atsakymas
    (A)
    a relation