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Explain three modes of data communication and their practical use.
Date posted:
May 14, 2019
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(i) Define the term "mobile computing”
(ii) Outline five limitations of mobile computing devices
Date posted:
May 14, 2019
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Analyse the following modes of communication with reference to-cost, speed of transmission
and reliability:
(i) Serial mode.
(ii) Parallel mode.
Date posted:
May 14, 2019
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Information systems controls consist of all methods, policies and organizational procedures that
ensure the safety of the organization’s assets, the accuracy and reliability of its accounting
records and operational adherence to management standards.
Required:
Describe five types of general information systems controls.
Date posted:
May 14, 2019
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Differentiate between information systems (IS) and information technology (IT).
Date posted:
May 14, 2019
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Identify three vital services which information systems can provide to a business organization.
Date posted:
May 14, 2019
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a) Identify three roles of- information systems in-an. organisation.
b) State and explain the components of an information system.
Date posted:
May 14, 2019
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Explain four security concerns that personal computer users face in an organization.
Date posted:
May 14, 2019
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Briefly explain four authentication techniques that could enhance security of information
systems in an organisation.
Date posted:
May 14, 2019
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(i) Define the term "management information systems" in the context of information systems.
(ii) Explain three advantages of management information systems to the banking sector.
Date posted:
May 14, 2019
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Discuss the evolution of information systems.
Date posted:
May 14, 2019
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Describe six guidelines for managing computer passwords.
Date posted:
May 14, 2019
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List seven application packages of a computer system.
Date posted:
May 14, 2019
-
Data are raw facts which are further processed into useful information.
Required:
i) Identify data generated in a purchasing transaction.
ii) Briefly explain five main uses of information to a business organisation.
Date posted:
May 14, 2019
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Identify six facilities which are required by data processing applications
Date posted:
May 14, 2019
-
Outline six data processing operations in an organisation
Date posted:
May 14, 2019
-
Briefly explain five features of a spreadsheet package.
Date posted:
May 14, 2019
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Explain three advantages of a centralized database.
Date posted:
May 14, 2019
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Outline four major steps/or mail merging a document in word processing.
Date posted:
May 14, 2019
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Briefly explain the features of the following- file system
i) Disk file system
ii) Network file system
iii) Flash file system
iv) Special purpose file system
Date posted:
May 13, 2019
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a) Describe four aspects of file design that should be considered for a file in which
performance has high priority.
b) Outline four differences between a file system and a database management system.
Date posted:
May 13, 2019
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Identify five types of file extensions.
Date posted:
May 13, 2019
-
Briefly describe the following types of operating systems:
i) Real time operating systems.
ii) Multi-user operating systems.
Date posted:
May 13, 2019
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The operating system acts as the resource manager of a computer system
Highlight four functions which are performed by an operating system in managing a computer
system's resources.
Date posted:
May 13, 2019
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The operating system primarily provides services for running applications on a computer
system Briefly discuss the need for an operating system
Date posted:
May 13, 2019
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a) Briefly explain six functional areas Served by a computer operating system.
b) Outline six activities undertaken during the information system implementation and
evaluation stage.
c) Highlight eight situations in a typical, office environment where connection between
computing devices might be required.
Date posted:
May 13, 2019
-
Highlight ten tasks performed in the creative stage of systems development life cycle.
Date posted:
May 13, 2019
-
Identify five activities of tin operating system in regard to file management.
Date posted:
May 13, 2019
-
(i) State three activities that take place during computer booting process.
(ii) Identify three features of a Basic Input/output system,
Date posted:
May 13, 2019
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a)Explain how operating systems create an impression of doing several jobs at the same time.
b)i) Define the term "real-time processing system".
ii) State two examples of real-time processing systems
Date posted:
May 13, 2019