(i) Back- ups - Backups can be used to recover/ restore/ prevent lost data
(ii) Password- Passwords control access to computer systems/ facilities
Kavungya answered the question on June 5, 2019 at 08:53
- For each of the following give one reason why they are not allowed in a computer laboratory
(i) Smoking
(ii) Eating foods(Solved)
For each of the following give one reason why they are not allowed in a computer laboratory
(i) Smoking
(ii) Eating foods
Date posted: June 5, 2019. Answers (1)
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The cells K3 to K10 of a worksheet contain remarks on students ’ performance such as very good, good, fair and fail depending on the average mark. Write a formula that can be used to count ALL students who have the remark “very good”.
Date posted: June 5, 2019. Answers (1)
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A serial file comprises of records placed in positions 1 to 10. State the position of the end of the file market.
Date posted: June 5, 2019. Answers (1)
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Name the control structure depicted by the flowchart below
Date posted: June 5, 2019. Answers (1)
- Consider the linear arrays:
i) AA (5: 50)
ii) BBB (-5:50)
iii) CCC (18)
Find the number of elements in each array.
(Solved)
Consider the linear arrays:
i) AA (5: 50)
ii) BBB (-5:50)
iii) CCC (18)
Find the number of elements in each array.
Date posted: June 5, 2019. Answers (1)
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Date posted: June 5, 2019. Answers (1)
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Date posted: June 5, 2019. Answers (1)
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Outline two ways in which computers can be used in hotels.
Date posted: June 5, 2019. Answers (1)
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Write the number 45110 in BCD notation
Date posted: June 5, 2019. Answers (1)
- Arrange the following data units in ascending order of size.
BYTE, FILE, BIT, NIBBLE(Solved)
Arrange the following data units in ascending order of size.
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Date posted: June 5, 2019. Answers (1)
- State the stage of program development in which:
i) A flowchart would be drawn
ii) The programmer would check whether the program does as required program
iii) The...(Solved)
State the stage of program development in which:
i) A flowchart would be drawn
ii) The programmer would check whether the program does as required program
iii) The user guide would be written
iii) The user guide would be written
iv) The requirements specification would be written.
Date posted: June 5, 2019. Answers (1)
- State the output of the following flowchart segment(Solved)
State the output of the following flowchart segment
Date posted: June 5, 2019. Answers (1)
- i) Draw a flowchart to compute the combined resistance (R) of two resistors R+1 and Ra=2 in parallel using the formula
ii) WRITE A PROGRAM USING...(Solved)
i) Draw a flowchart to compute the combined resistance (R) of two resistors R+1 and Ra=2 in parallel using the formula
ii) WRITE A PROGRAM USING Pascal or c languages for the flowchart in c(i) above.
Date posted: June 5, 2019. Answers (1)
- List paragraph formatting activities in word processing.(Solved)
List paragraph formatting activities in word processing.
Date posted: June 5, 2019. Answers (1)
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Differentiate between bolding and highlighting text.
Date posted: June 5, 2019. Answers (1)
- The following information shows the income and expenditure for “behayote”
matatu for five days. The income from Monday to Friday was Ksh. 4,000, 9,000, 10,000, 15,000,...(Solved)
The following information shows the income and expenditure for “behayote”
matatu for five days. The income from Monday to Friday was Ksh. 4,000, 9,000, 10,000, 15,000, and 12,000 respectively while the expenditure for the same period was Kshs. 2,000, e, 000, 7,000, 5,000, and 6,000 respectively.
i) Draw a spreadsheet that would contain the information. Indicate the rows as 1, 2, 3…..And the columns as a, B, C….
ii) State the expression that would be used to obtain:
I Monday’s profit
II Total income
III Highest expenditure.
Date posted: June 5, 2019. Answers (1)
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Subtract 01112 from 10012
Date posted: June 5, 2019. Answers (1)
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Using two's complement, subtract 7 from 4 and give the answer in decimal notation.
Date posted: June 5, 2019. Answers (1)
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Convert 91B16 to octal.
Date posted: June 5, 2019. Answers (1)
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Date posted: June 5, 2019. Answers (1)