(i)Definition of the term "protocol" in the context of computer networks.
Protocol is the special set of rules that end points in a telecommunication connection use when
they communicate. Protocols specify interactions between the communicating entities. Protocols
exist at several levels in a telecommunication connection. For example, there are protocols for
the data interchange at the hardware device level and protocols for data interchange at the
application program level
(b)Types of wireless media necessary when setting up a network
- Wireless Personal Area Networks (WPANs)
- Wireless Local Area Network (WLAN)
- Wireless Mesh Network
- Wireless Metropolitan Area Networks
- Wireless Wide Area Networks
Kavungya answered the question on May 14, 2019 at 08:44
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Explain three modes of data communication and their practical use.
(Solved)
Explain three modes of data communication and their practical use.
Date posted:
May 14, 2019
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Answers (1)
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(i) Define the term "mobile computing”
(ii) Outline five limitations of mobile computing devices
(Solved)
(i) Define the term "mobile computing”
(ii) Outline five limitations of mobile computing devices
Date posted:
May 14, 2019
.
Answers (1)
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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.
(Solved)
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
.
Answers (1)
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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...
(Solved)
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
.
Answers (1)
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Differentiate between information systems (IS) and information technology (IT).
(Solved)
Differentiate between information systems (IS) and information technology (IT).
Date posted:
May 14, 2019
.
Answers (1)
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Identify three vital services which information systems can provide to a business organization.
(Solved)
Identify three vital services which information systems can provide to a business organization.
Date posted:
May 14, 2019
.
Answers (1)
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a) Identify three roles of- information systems in-an. organisation.
b) State and explain the components of an information system.
(Solved)
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
.
Answers (1)
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Explain four security concerns that personal computer users face in an organization.
(Solved)
Explain four security concerns that personal computer users face in an organization.
Date posted:
May 14, 2019
.
Answers (1)
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Briefly explain four authentication techniques that could enhance security of information
systems in an organisation.
(Solved)
Briefly explain four authentication techniques that could enhance security of information
systems in an organisation.
Date posted:
May 14, 2019
.
Answers (1)
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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.
(Solved)
(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
.
Answers (1)
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Discuss the evolution of information systems.
(Solved)
Discuss the evolution of information systems.
Date posted:
May 14, 2019
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Answers (1)
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Describe six guidelines for managing computer passwords.
(Solved)
Describe six guidelines for managing computer passwords.
Date posted:
May 14, 2019
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Answers (1)
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List seven application packages of a computer system.
(Solved)
List seven application packages of a computer system.
Date posted:
May 14, 2019
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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...
(Solved)
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
.
Answers (1)
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Identify six facilities which are required by data processing applications
(Solved)
Identify six facilities which are required by data processing applications
Date posted:
May 14, 2019
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Answers (1)
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Outline six data processing operations in an organisation
(Solved)
Outline six data processing operations in an organisation
Date posted:
May 14, 2019
.
Answers (1)
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Briefly explain five features of a spreadsheet package.
(Solved)
Briefly explain five features of a spreadsheet package.
Date posted:
May 14, 2019
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Answers (1)
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Explain three advantages of a centralized database.
(Solved)
Explain three advantages of a centralized database.
Date posted:
May 14, 2019
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Answers (1)
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Outline four major steps/or mail merging a document in word processing.
(Solved)
Outline four major steps/or mail merging a document in word processing.
Date posted:
May 14, 2019
.
Answers (1)
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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
(Solved)
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
.
Answers (1)