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Data communication refers to the process of transmitting data signals from one point to another through the network.
maurice.mutuku answered the question on November 7, 2019 at 09:43
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What is meant by Blog?
Date posted: November 7, 2019. Answers (1)
- Study the flowchart in figure 2 below and use it to answer the questions that follow.(Solved)
Study the flowchart in figure 2 below and use it to answer the questions that follow.
(i) Name the control structures used in the flowchart.
(ii) Determine the value of A, B, C and F.
iii) Write a pseudocode for the flowchart in figure above.
Date posted: November 7, 2019. Answers (1)
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List two factors that dictate the cost of a computer system.
Date posted: November 7, 2019. Answers (1)
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Describe the process of transactions handling at the electronic point of sale terminals in a retail outlet
Date posted: November 7, 2019. Answers (1)
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What are repetitive strain injuries?
Date posted: November 7, 2019. Answers (1)
- A trader uses a spreadsheet program to calculate profits.
The figure below shows the spreadsheet.(Solved)
A trader uses a spreadsheet program to calculate profits.
The figure below shows the spreadsheet.
(a)Which row contains labels only?
(b) Write the formula that has been entered in cell F2.
Date posted: November 7, 2019. Answers (1)
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Give three hardware considerations that should be made before installing an operating system.
Date posted: November 7, 2019. Answers (1)
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Explain two factors that may prompt an organization to develop their own software rather than buy over the shelf softwares.
Date posted: November 7, 2019. Answers (1)
- Fifth generation computers are said to be characterized by the emergence of artificial intelligence.
Explain.(Solved)
Fifth generation computers are said to be characterized by the emergence of artificial intelligence.
Explain.
Date posted: November 7, 2019. Answers (1)
- Draw a diagram to show a system that is controlled through feedback.(Solved)
Draw a diagram to show a system that is controlled through feedback.
Date posted: November 6, 2019. Answers (1)
- Why is feedback necessary in a system?(Solved)
Why is feedback necessary in a system?
Date posted: November 6, 2019. Answers (1)
- Explain the following system characteristics
(i) System control
(ii) Sub-systems(Solved)
Explain the following system characteristics
(i) System control
(ii) Sub-systems
Date posted: November 6, 2019. Answers (1)
- Explain the difference between Trojan horse and Hoax viruses.(Solved)
Explain the difference between Trojan horse and Hoax viruses.
Date posted: November 6, 2019. Answers (1)
- Computer can fail to work due to problems associated with operating system. Explain how the following problems can be corrected.
(i) Run time problems
(ii) Corrupted...(Solved)
Computer can fail to work due to problems associated with operating system. Explain how the following problems can be corrected.
(i) Run time problems
(ii) Corrupted registry
Date posted: November 6, 2019. Answers (1)
- State the meaning of the following operating systems terms:
(i) Interrupt
(ii) Trouble shooting.
(iii) Clock speed.(Solved)
State the meaning of the following operating systems terms:
(i) Interrupt
(ii) Trouble shooting.
(iii) Clock speed.
Date posted: November 6, 2019. Answers (1)
- Differentiate between a word and a word length as used in data representation.(Solved)
Differentiate between a word and a word length as used in data representation.
Date posted: November 6, 2019. Answers (1)
- Using one's complement, perform the following binary arithmetic leaving the answer in decimal notation.
11012 - 1001012 (Solved)
Using one's complement, perform the following binary arithmetic leaving the answer in decimal notation.
11012 - 1001012
Date posted: November 6, 2019. Answers (1)
- Using two's complement, show how the arithmetic below would be carried out on a 8 – bit computer system. (+54) – (+29).(Solved)
Using two's complement, show how the arithmetic below would be carried out on a 8 – bit computer system. (+54) – (+29).
Date posted: November 6, 2019. Answers (1)
- A car rental firm leases its cars for Kshs. 2500.00 per day. The manager gives a discount based on the number of days that the...(Solved)
A car rental firm leases its cars for Kshs. 2500.00 per day. The manager gives a discount based on the number of days that the car is rented. If the rental period is greater than or equals to 7 days then a 25% discount is given. Write a pseudo-code to accept a car number and the rental period, and calculate the total amount earned by the company when a car is leased.
Date posted: November 6, 2019. Answers (1)
- Give one reason to the growth of communication industry in Kenya.(Solved)
Give one reason to the growth of communication industry in Kenya.
Date posted: November 6, 2019. Answers (1)