- A computer is an electronic device that operates (works) under the control of programs stored in its own memory unit
- An electronic device that accepts data, as input and transforms it under the influence of a set of special instructions called programs, to produce the desired output (referred to as information)
Kavungya answered the question on June 5, 2019 at 07:02
- Convert each of the following binary numbers to decimal equivalent
given that the left most digit is a sign bit:
(a) 00101101
(b) 11001001(Solved)
Convert each of the following binary numbers to decimal equivalent
given that the left most digit is a sign bit:
(a) 00101101
(b) 11001001
Date posted: May 7, 2019. Answers (1)
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A manager wishes to replace the current manual system with a computerised one. Describe three main areas that must be evaluated to justify the replacement.
Date posted: May 7, 2019. Answers (1)
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State how each of them can be minimised.
Headache
Back & Neck Pain(Solved)
Headache, back and neck pain may result from the use of computers.
State how each of them can be minimised.
Headache
Back & Neck Pain
Date posted: May 7, 2019. Answers (1)
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ballot. State three ways in which computers can be used to improve the
election process.(Solved)
Students of a school intend to elect their school captain by secret
ballot. State three ways in which computers can be used to improve the
election process.
Date posted: May 7, 2019. Answers (1)
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an organisation compared to the Internet.(Solved)
Explain why an intranet is a more secure way to share files within
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Date posted: May 7, 2019. Answers (1)
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List two career opportunities directly associated with computer
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Date posted: May 7, 2019. Answers (1)
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by the clerks is then fed into the computer and then all bills are...(Solved)
A water company sends out clerks to read meters. The data collected
by the clerks is then fed into the computer and then all bills are printed at
the same time.
(a)State two advantages of this approach
(b) Name this type of data processing.
Date posted: May 7, 2019. Answers (1)
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application and give reasons why each should be considered.(Solved)
List three factors that should be considered when developing a database
application and give reasons why each should be considered.
Date posted: May 7, 2019. Answers (1)
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unsuitable computer desk.(Solved)
Explain two health issues that could arise from the use of
unsuitable computer desk.
Date posted: May 7, 2019. Answers (1)
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Determine how the number 0.312510 would be represented.(Solved)
A particular computer stores numbers in a single 8-bit word.
Determine how the number 0.312510 would be represented.
Date posted: May 7, 2019. Answers (1)
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number can be represented in a computer(Solved)
Describe two ways in which a positive number and a negative
number can be represented in a computer
Date posted: May 7, 2019. Answers (1)
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can buy word processor, spreadsheet, database, and a drawing package
separately or as an integrated package. State...(Solved)
A customer wishes to purchase a computer system. The customer
can buy word processor, spreadsheet, database, and a drawing package
separately or as an integrated package. State three reasons why the
customer would prefer an integrated package to separate packages
Date posted: May 7, 2019. Answers (1)
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might wish to add to the set up above in order to perform his tasks
effectively.(Solved)
Name two other devices that a Computer Aided Design (CAD) user
might wish to add to the set up above in order to perform his tasks
effectively.
Date posted: May 7, 2019. Answers (1)
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network. The management is convinced that someone is illegally gaining
access to the data in...(Solved)
Pesa Tele Company has offices in Nairobi and Kampala connected in a
network. The management is convinced that someone is illegally gaining
access to the data in their computers. State three ways in which the
company can overcome this problem.
Date posted: May 7, 2019. Answers (1)
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Explain the two technologies used to make liquid crystal display.
Date posted: May 1, 2019. Answers (1)
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Date posted: May 1, 2019. Answers (1)
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State and explain the activities done during data processing phase
Date posted: May 1, 2019. Answers (1)
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Give the rules which must be followed when entering the computer room.
Date posted: April 24, 2019. Answers (1)