Input, processing, storage, output
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Organization
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Environment
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Technology
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Feedback
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People
gregorymasila answered the question on November 27, 2017 at 11:25
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Any communication network, such as a telephone system, can be connected to others. This is an example of connectivity, the ability to connect computers, telephones and other devices to other computers, other devices and sources of information. It is this connectivity that is the foundation of Information Age.
Connectivity has also made many activities possible.
Required:
Explain any four activities that have become possible because of connectivity.
Date posted: November 27, 2017. Answers (1)
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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. Answers (1)
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Date posted: November 27, 2017. Answers (1)
- 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...(Solved)
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.
State the type of database used by Witu Ltd. (2 marks)
Date posted: November 27, 2017. Answers (1)
- 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...(Solved)
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. Answers (1)
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Explain how the following systems development tools or techniques can assist a
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Date posted: November 27, 2017. Answers (1)
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Date posted: November 27, 2017. Answers (1)
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Explain three major benefits of mobile banking (M-banking).
Date posted: November 27, 2017. Answers (1)
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Explain the importance of artificial intelligence (AI) to a developing country.
Date posted: November 27, 2017. Answers (1)
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Outline any two anomalies that are associated with redundant data.
Date posted: November 27, 2017. Answers (1)
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Most computers in use today have open architecture which enables users to open them easily and install new devices. The need to buy new computers is reduced since the existing capability may be enhanced using expansion slots on the computer motherboard to plug in expansion cards.
Required:
Describe any three types of expansion cards.
Date posted: November 27, 2017. Answers (1)
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Date posted: November 27, 2017. Answers (1)
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Describe three characteristics of a DVD.
Date posted: November 27, 2017. Answers (1)
- Auditing information systems by a company's internal auditing staff or external auditors is aimed partly at evaluating whether proper and adequate security measures and management...(Solved)
Auditing information systems by a company's internal auditing staff or external auditors is aimed partly at evaluating whether proper and adequate security measures and management policies have been developed.
Required:
(i) Define the term electronic audit trail
(ii) Differentiate between auditing around the computer and auditing through the
computer and explain the approach which uses electronic audit trial.
(iii) State four skills required of information systems auditors.
Date posted: November 27, 2017. Answers (1)
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Explain the factors that have led to the decentralization of information systems functions.
Date posted: November 27, 2017. Answers (1)
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Dunga Beach Sacco Ltd., a farmers savings and credit co-operative society based in
Kisumu Municipality installed an enterprise resource planning (ERP) software two
years ago. At the time of installation, the Sacco did not undertake the necessary
business process changes, as a result of which most users still prefer to use the
manual system. The Sacco is now planning to undertake the necessary changes.
Required:
(i) State four obstacles that may have hampered the business process changes and suggest four possible strategies that may be used to overcome the obstacles.
(ii) A post installation review of the system revealed that the system was not realizing the anticipated benefits. List six other key areas that the review should have focused on other than the benefits.
Date posted: November 27, 2017. Answers (1)
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Date posted: November 27, 2017. Answers (1)
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In a systems development life cycle, the systems analyst is interested in finding out the organization's objectives and exploring the nature and scope of the problems under study during the feasibility stage.
Required:
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(ii) Explain the methods used by the systems analyst in defining the objectives
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Date posted: November 27, 2017. Answers (1)
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The increased use of multimedia technology can be largely attributed to the easy-
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Required:
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Date posted: November 27, 2017. Answers (1)
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Date posted: November 25, 2017. Answers (1)