Waec Data Processing Past Questions For Year 2021
Question 16
The formula to calculate the average of a given range of data from cell B2 to cell D4 in a Microsoft Excel worksheet is
- A. = AVERAGE (B2+D4)
- B. =AVERAGE (B2:D4)
- C. =AVERAGE(B2, D4)
- D. =AVERAGE(B2;D4)
Question 17
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
Question 18
The use of the internet to perform illegal activities is generally called
- A. cyber crime
- B. packet sniffing
- C. phishing
- D. spamming
Question 19
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- D. outdated driver
Question 20
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
