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Arrange the following data units in ascending order of size.
BYTE, FILE, BIT, NIBBLE
Date posted:
June 5, 2019
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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
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State the output of the following flowchart segment
Date posted:
June 5, 2019
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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
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List paragraph formatting activities in word processing.
Date posted:
June 5, 2019
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Differentiate between bolding and highlighting text.
Date posted:
June 5, 2019
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Subtract 01112 from 10012
Date posted:
June 5, 2019
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Using two's complement, subtract 7 from 4 and give the answer in decimal notation.
Date posted:
June 5, 2019
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Convert 91B16 to octal.
Date posted:
June 5, 2019
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Convert 3768 to hexadecimal
Date posted:
June 5, 2019
-
Convert 9.62510 to binary
Date posted:
June 5, 2019
-
Convert 25410 to hexadecimal
Date posted:
June 5, 2019
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List two disadvantages of hierarchical network topology.
Date posted:
June 5, 2019
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List two advantages of hierarchical network topology.
Date posted:
June 5, 2019
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State the functions of the tab key.
Date posted:
June 5, 2019
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State the functions of the enter key.
Date posted:
June 5, 2019
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State the functions of the shift key.
Date posted:
June 5, 2019
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Name the application areas of simulation.
Date posted:
June 5, 2019
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What is meant by the term simulation?
Date posted:
June 5, 2019
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State three advantages of computer based simulation.
Date posted:
June 5, 2019
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Explain three ways in which computers have impacted on education.
Date posted:
June 5, 2019
-
Briefly explain the classification of computer according to historical development (generations)
Date posted:
June 5, 2019
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Explain the following input/ output terms as used in computer systems. Give an example for each
(a) Read
(b) Write
Date posted:
June 5, 2019
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State any three functions of a computer
Date posted:
June 5, 2019
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Clearly define a computer.
Date posted:
June 5, 2019
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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
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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
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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
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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
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Explain two health issues that could arise from the use of
unsuitable computer desk.
Date posted:
May 7, 2019