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Data Processing 2023 WAEC Past Questions

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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
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11

Computer malware is detected by

  • A. adware
  • B. logic bomb
  • C. antivirus
  • D. antiglare
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12

When performing computer recovery operations after a system crash, the startup disk is used to

  • A. restore the system to an earlier time
  • B. update the application packages
  • C. backup deleted users file
  • D. recover the system disk from an image file
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13

The speed of access to files in a random access file compared to other file organization methods is

  • A. very slow.
  • B. the same.
  • C. relatively fast.
  • D. slow.
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14

Which of the following devices is needed by a technician for protection against electrostatic discharge?

  • A. Magnet
  • B. Wrist strap
  • C. Screw driver
  • D. Surge protector
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15

Figure 3 is a Microsoft Excel Worksheet. Use it to answer questions 20 and 21.
 

   A  B  C  D  E
 1  IDENTICATION NUMBER  BASIC SALARY (N)  TOTAL ALLOWANCE (N)  TOTAL DEDUCTION (N)

 NET SALARY (N)

 2  WASC/LPT/001  800000  60000  40000  820000
 3  WASC/LPT/002  700000  40000  20000  720000
 4  WASC/LPT/003  300000  10000  5000  305000
 5  WASC/LPT/004  400000  20000  10000  410000

Figure 3

What formula will correctly display the total number of individuals involved in the computation as shown in Figure 3?

  • A. =COUNT(A2:A5)
  • B. =COUNTIF(A2:A5)
  • C. =COUNTA(A2:A5)
  • D. =SUM(A2:A5)
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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
Download WAEC Nov/Dec App - Get all past questions and answers, 100% offline - 129393