Home ยป Past Questions ยป Data-processing ยป Waec ยป 2021
1

A student was given an assignment which involved typesetting a passage at home using a laptop computer. The student was required to bring the soft copy of the assignment in a flash drive with volume label STUDENT ASSIGNMENT to the school. Highlight the steps the student would take to: (a) save the typeset work in the flash drive (b) create a folder named ASSIGNMENTS on the desktop of  computer in the school’s computer laboratory and save the typeset assignment in the folder (c) prit the assignment from the folder created in 5(b).

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2

A certain business center provides computer and internet services to the public. The owner is concerned that there is no restraint on consumption of food and drinks by the customers and also about possible health hazards to the computer users.

(a) Give two safety precautions that must be put in place to protect the workstations in the business center from foods and drinks.
Precautions I:
Precautions II:

(b) State two ways the computers can be maintained to ensure efficiency in serving the customer.
Maintenance I:
Maintenance II:

(c)(i) Name three possible health risks to the customers while using the computers in the center.
Risk I:
Risk II: 
Risk III:

(ii) How can the risks in 4(c)(i) be reduced?
Solution I:
Solution II:
Solution III:

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3

(a) (i) State three ways of classifying computers.

(ii) Differentiate between digital and analog computers.

(b) List three positive impacts of ICT on the society.

(c) Give two types of information transmission medium.

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4

(a) Complete Table 1 wih the appropriate criteria for each medium.

                                                                                   Table 1

Criteria/Medium DVD-ROM Hard Disk Magnetic Tape
Location of storage media External (i) _________
    _________
(ii) __________
     __________
Removability (iii) __________
      __________
(iv) __________
      ___________
(v) ___________
     ____________
Method file Access (vi) __________
      __________
Random/Direct Access (vii) ___________
       ___________

(b) List three examples of spreadsheet application.

 

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5

(a) Define the following terms; (i) Disk formatting (ii) Data backup (iii) Virus scan

(b) State four uses of the Automated Teller Machine (ATM)

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6

Which of the following terms is not a feature of distributed database?

  • A. Fragmentation
  • B. Multiple storage
  • C. Replication
  • D. Single server
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7

To prevent the loss of data in the computer, it is better to implement file

  • A. access
  • B. maintenance
  • C. checks
  • D. backup
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8

The following media are used for information transmission except

  • A. diary
  • B. magazine
  • C. radio
  • D. television
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9

A file organization that contains a reference number is called

  • A. direct access
  • B. indexed access
  • C. random access
  • D. sequential access
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10

The best arrangement that gives the correct order of magnitude of the database element is 

  • A. character, field, record, table, database, file
  • B. character, field, record, table, file, database
  • C. record, file, field, table, character, database
  • D. table, file, record, field, character, database
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11

The function of the SQL statement SELECT Student ID, Surname, House Name FROM Student, is that it 

  • A. retrieves the listed fields from student table
  • B. highlight the listed fields from student table
  • C. hides the selected fields from student table
  • D. deletes the listed fields from students table
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12

One advantage of information processing is that

  • A. face-to-face interaction among staff may be reduced
  • B. initial investment cost can be high
  • C. running cost becomes lower in the long term
  • D. It encourages the training/retraining of staff
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13

The malware which is programmed to initiate at a specific date or when a specific event occurs is called

  • A. directory virus
  • B. logic bomb
  • C. polymorphic virus
  • D. root kit virus
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14

A system analyst is a person who

  • A. designs flowchart
  • B. designs and implements new solutions
  • C. trains computer users
  • D. writes complex computer programs
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15

Security breaches in computing cannot be prevented through the use of

  • A. antivirus
  • B. encryption
  • C. firewall
  • D. firmware
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16

One safety measure to consider in a computer room is 

  • A. arranging the chairs in the room together
  • B. keeping liquid within the room
  • C. closing the door always
  • D. maintaining a dust-free environment
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17

The use of the internet to perform illegal activities is generally called 

  • A. cyber crime
  • B. packet sniffing
  • C. phishing
  • D. spamming
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18

The erratic movement of the mouse pointer is usually caused by

  • A. damaged driver
  • B. dirty mouse ball
  • C. improper connection of mouse cable
  • D. outdated driver
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19

One precautionary measure taken when cleaning a monitor is 

  • A. plugging of power supply cable
  • B. spraying a windows cleaner on the monitor
  • C. unplugging the power supply cable
  • D. using a vacuum cleaner to clean the monitor casing
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20

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

  • A. shape objects
  • B. select objects
  • C. draw lines and curves
  • D. create texts
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21

Web design packages includes the following except 

  • A. Macromedia Dreamweaver
  • B. iWeb
  • C. Front Page
  • D. Adobe PageMaker
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