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In a file set up or development process, the file‘s structure is defined and its contents identified. The four characteristics considered in defining the structure and identifying the contents in a file set up or development process are; volatility, activity, size and growth.
Required:
(i) Using the example of a payroll file, explain the terms; volatility, activity, size and growth.
(ii) Explain how each of the characteristics in (i) above may influence decisions to do with a file structure design and in planning whether the mode of access should be sequential, indexed sequential or random.
Date posted:
November 27, 2017
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Witu Ltd., a motor vehicle spare parts dealer, has its head office in Nairobi. The company has eight branches in Kenya, two in Uganda and one in Rwanda. To enable the branches share data and other resources, the company has a large database that is replicated in the computers located in the branches. These computers are interconnected through data communication networks. The database is centrally administered from Nairobi but the branches have flexibility and may customize the database to meet their needs.
(i)State and briefly explain advantages and disadvantages of the database used by
Witu Ltd.
(ii)Explain the business reasons that may have encouraged Witu Ltd. to use this
database.
Date posted:
November 27, 2017
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Explain how the following systems development tools or techniques can assist a
systems developer to reduce an application‘s development period and costs.
(i) Fourth generation languages (4GLs).
(ii) Prototyping
(iii) Computer aided software engineering (CASE) tools.
Date posted:
November 27, 2017
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List four scanning devices and explain how a scanning device works. (8 marks)
Date posted:
November 27, 2017
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The set up below shows the apparatus used for the preparation of nitrogen (i) oxide
(a)(i)Name solid X
(ii)What precautions is taken when heating solid X
(b)Nitrogen (i) oxide does not burn but a magnesium ribbon continues burning in the gas.Explain
Date posted:
November 27, 2017
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Give any five small scale retailers without shops
Date posted:
November 27, 2017
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Study the table below and answer the questions that follow
(i)Select a substance with a giant metallic structure.Explain
(ii)Substance A and C conduct electricity in molten state at room temperature.What is the difference in
their conductivity?
(iii)Select a substance which is in gaseous state.Explain
Date posted:
November 27, 2017
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Compare the functions of the temple of Jerusalem and those of traditional shrines
Date posted:
November 27, 2017
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Types of governments in East Africa before colonial era
Date posted:
November 26, 2017
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Traditional kingdom's in East Africa before colonial rule
Date posted:
November 26, 2017
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Outline the advantages of landscape office layout
Date posted:
November 26, 2017
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Define the term landscape office layout
Date posted:
November 26, 2017
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Outline the role of filing in an office
Date posted:
November 26, 2017
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What are the advantages and disadvantages of offset lithography?
Date posted:
November 25, 2017
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What are the advantages and disadvantages of stencil printing?
Date posted:
November 25, 2017
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What are the advantages and disadvantages of printing?
Date posted:
November 25, 2017
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What are the advantages and disadvantages of photocopying?
Date posted:
November 25, 2017
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Outline the unethical testing practices in education.
Date posted:
November 25, 2017
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Define item analysis and give its objectives
Date posted:
November 25, 2017
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Give the roles of educational objectives in assessment.
Date posted:
November 25, 2017
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Give the characteristics of a good test in education.
Date posted:
November 25, 2017
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Discuss the steps used in test administration and development.
Date posted:
November 25, 2017
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State three consideration for a good warranty
Date posted:
November 25, 2017
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Unda nomino mbilimbili kutokana na vitenzi hivi.
a)jaribu.
b)chuma
Date posted:
November 25, 2017
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Outline the functions of Read Only Memory (ROM).
Date posted:
November 25, 2017
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Taja aina mbili za viwakilishi nafsi
Date posted:
November 25, 2017
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With close reference to Francis Imbuga's play betrayal in the city write an essay showing how bad governance is a recipe for oppression in the society.
Date posted:
November 25, 2017
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Unda vitenzi kutokana na nomino hizi.
i) Hotuba
ii) Tiba
Date posted:
November 25, 2017
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Toa mifano miwili miwili kwa sauti zifuatazo:
i) Sauti ghuna ambazo ni vipasuo.
ii) Si ghuna ambazo ni vikwamizo.
Date posted:
November 25, 2017
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List the advantages and disadvantages of spirit duplicating
Date posted:
November 24, 2017