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- Explain what the following DOS commands will do when executed
(i) A: \copy ** B
(ii) C:\ERASE * DOC
(iii) B:\DIR P*.BAT
(iv) A:\>MD EXAMS(Solved)
Explain what the following DOS commands will do when executed
(i) A: \copy ** B
(ii) C:\ERASE * DOC
(iii) B:\DIR P*.BAT
(iv) A:\>MD EXAMS
Date posted: June 25, 2019. Answers (1)
- The following information shows the income and expenditure for
“Bebayote” matatu for five days. The income from Monday to Friday was
Kshs 4,000, 9,000, 10,000, 15,000 and...(Solved)
The following information shows the income and expenditure for
“Bebayote” matatu for five days. The income from Monday to Friday was
Kshs 4,000, 9,000, 10,000, 15,000 and 12,000 respectively while the
expenditure for the same period was Kshs, 2,000, 3,000, 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 25, 2019. Answers (1)
- Consider the linear arrays:
(i) AAA (5:50) -
(ii) BBB (5:10) -
(iii) CCC (18) -
Find the number of elements in each array(Solved)
Consider the linear arrays:
(i) AAA (5:50) -
(ii) BBB (5:10) -
(iii) CCC (18) -
Find the number of elements in each array
Date posted: June 25, 2019. Answers (1)
- Name two multiprogramming operating systems(Solved)
Name two multiprogramming operating systems
Date posted: June 25, 2019. Answers (1)
- Explain time- sharing data processing mode.(Solved)
Explain time- sharing data processing mode.
Date posted: June 25, 2019. Answers (1)
- List three factors be considered when deciding on the choice of an electronic data processing method(Solved)
List three factors be considered when deciding on the choice of an electronic data processing method
Date posted: June 25, 2019. Answers (1)
- A student presented a budget in the form of a worksheet as follows
The student intends to have spent half the amount by midterm
(a) Given that...(Solved)
A student presented a budget in the form of a worksheet as follows
The student intends to have spent half the amount by midterm
(a) Given that the vale 0.5 is typed in cell B9, write the shortest formula
that would be typed in cell C2 and then copied down the column to obtain
half the values in column B.
(b) Write two different formulae that can be typed to obtain the total in
cell B6 and then copied to cell C6
Date posted: June 25, 2019. Answers (1)
- Explain why a value such as 6112334445555 may be displayed as ####### when typed in a cell on a spreadsheet(Solved)
Explain why a value such as 6112334445555 may be displayed as ####### when typed in a cell on a spreadsheet
Date posted: June 25, 2019. Answers (1)
- Study the flowchart below and answer the questions that follow
(a) Write a high level language program for the above flowchart
(b) List the outputs of the...(Solved)
Study the flowchart below and answer the questions that follow
(a) Write a high level language program for the above flowchart
(b) List the outputs of the flowchart above
(c) Modify the flowchart so that it adds up all its outputs and displays the sum
obtained
Date posted: June 25, 2019. Answers (1)
- Perform the following binary arithmetic giving the answers in decimal
notation
(i) 1110.0111 + 1101001.011
(ii) 1001011.011 – 111.111(Solved)
Perform the following binary arithmetic giving the answers in decimal
notation
(i) 1110.0111 + 1101001.011
(ii) 1001011.011 – 111.111
Date posted: June 25, 2019. Answers (1)
- Threats to the safety of computer systems take many forms such as: Whitecollar
crime, natural, disasters, vandalism and carelessness.
- Give one way as to how each...(Solved)
Threats to the safety of computer systems take many forms such as: Whitecollar
crime, natural, disasters, vandalism and carelessness.
- Give one way as to how each of these forms of threats can be controlled
Date posted: June 25, 2019. Answers (1)
- Give four differences between present days’ computers and the older generation of computers(Solved)
Give four differences between present days’ computers and the older generation of computers
Date posted: June 25, 2019. Answers (1)
- State and explain two precautions that be taken to help recover data lost through accidental erasure(Solved)
State and explain two precautions that be taken to help recover data lost through accidental erasure
Date posted: June 25, 2019. Answers (1)
- The following flowchart can be used to list the odd numbers between 0 and
100
(a) Write a program segment for the flowchart using a high level...(Solved)
The following flowchart can be used to list the odd numbers between 0 and
100
(a) Write a program segment for the flowchart using a high level language
(b) What would be the output from the flowchart if the statement in the decision
box is changed to:
(c) Modify the flowchart so that it prints only the sum of the odd numbers
between o and 100
Date posted: June 25, 2019. Answers (1)
- Write – 1 in two's compliment notation in byte form(Solved)
Write – 1 in two's compliment notation in byte form
Date posted: June 25, 2019. Answers (1)
- State and explain two reasons why word processing is one of the most common applications of many computer users.(Solved)
State and explain two reasons why word processing is one of the most common applications of many computer users.
Date posted: June 25, 2019. Answers (1)
- List three differences between a microcomputer and a super – computer(Solved)
List three differences between a microcomputer and a super – computer
Date posted: June 25, 2019. Answers (1)
- Give one disadvantages of a single processor multi- user system.(Solved)
Give one disadvantages of a single processor multi- user system.
Date posted: June 25, 2019. Answers (1)
- The Formula = k20 + p $18 was typed in cell L21 and then copied to cell M24
of a spreadsheet. Write the formula as it...(Solved)
The Formula = k20 + p $18 was typed in cell L21 and then copied to cell M24
of a spreadsheet. Write the formula as it appears in cell M24
Date posted: June 25, 2019. Answers (1)
- State any three activities that occur in a program compilation process(Solved)
State any three activities that occur in a program compilation process
Date posted: June 25, 2019. Answers (1)