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(i) Explain Graphical User Interface (GUI): refers to the interaction between end users
and the computer based upon a graphical display. These are tools which are designed to enhance
persona] computing work. They are mostly fitted on work stations or personal computers with
graphical adaptors able to support high resolution graphics.
(ii) Reasons why GUI is easier to use than command line interface
- Graphical symbols are more easily recognized and memorized than text.
- Direct manipulation, for example by pointing and clicking on graphical objects with a
mouse, reduces learning time for users and gives them a greater feeling of control over
the HCI.
- Make computer operations more intuitive and thus easier to use and learn.
- Provide users with immediate, visual feedback about the effect of each action.
Kavungya answered the question on May 14, 2019 at 09:07
- Joyce Kubo is a Marketing Manager with Kay Ltd She intends to use her home computer to
connect to the company's network in order to analyse...(Solved)
Joyce Kubo is a Marketing Manager with Kay Ltd She intends to use her home computer to
connect to the company's network in order to analyse sales data but suspects that her home
computer might.be infected by computer viruses.
Required:
i) Illustrate any four unusual events that could alert Joyce Kubo of possible computer virus
infection.
ii) Suppose after completing her analysis, Joyce Kubo prepares her results in PDF file format
and posts them to the company's website.
Briefly explain two reasons why Joyce Kubo could prefer the PDF file format.
iii) Suppose Joyce Kubo intends to display her results using a presentation package.
Describe four precautions which Joyce Kubo should observe when putting text in
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Date posted: May 14, 2019. Answers (1)
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Date posted: May 14, 2019. Answers (1)
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Date posted: May 14, 2019. Answers (1)
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Briefly discuss four advantages of the virtual private network.
Date posted: May 14, 2019. Answers (1)
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Date posted: May 14, 2019. Answers (1)
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Date posted: May 14, 2019. Answers (1)
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Date posted: May 14, 2019. Answers (1)
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(i) Serial mode.
(ii) Parallel mode.(Solved)
Analyse the following modes of communication with reference to-cost, speed of transmission
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Date posted: May 14, 2019. Answers (1)
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ensure the safety of the organization’s assets, the accuracy and reliability of its accounting
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Information systems controls consist of all methods, policies and organizational procedures that
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Required:
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Date posted: May 14, 2019. Answers (1)
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Differentiate between information systems (IS) and information technology (IT).
Date posted: May 14, 2019. Answers (1)
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b) Name six threats to an organization’s information system...(Solved)
a) Identify the procedures that could be adopted to control the spread of computer viruses in
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Date posted: May 14, 2019. Answers (1)
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Identify three vital services which information systems can provide to a business organization.
Date posted: May 14, 2019. Answers (1)
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b) State and explain the components of an information system.(Solved)
a) Identify three roles of- information systems in-an. organisation.
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Date posted: May 14, 2019. Answers (1)
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Describe the characteristics of the following information systems:
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ii) Sales and marketing...(Solved)
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Describe the characteristics of the following information systems:
i) Transaction processing systems (TPS).
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Date posted: May 14, 2019. Answers (1)
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ii) State five types of information systems
b) As the information system manager of a company whose operations are highly...(Solved)
a) i) Define the term "information systems
ii) State five types of information systems
b) As the information system manager of a company whose operations are highly automated,
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Identify four measures that you could adopt in order to minimize occupational over-use
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Date posted: May 14, 2019. Answers (1)
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Date posted: May 14, 2019. Answers (1)
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Small and micro-business enterprises have greater access to a variety of information technology
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Date posted: May 14, 2019. Answers (1)
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b) Briefly describe four structural elements of a...(Solved)
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certain needs of the executive.
b) Briefly describe four structural elements of a computer system.
Date posted: May 14, 2019. Answers (1)
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might increase the vulnerability of the information systems security:
i. Operator error.
ii. Hardware...(Solved)
For each of the following threats to information systems, security, identify two conditions that
might increase the vulnerability of the information systems security:
i. Operator error.
ii. Hardware malfunction,
iii. Software bugs.
iv. Data errors.
v. Accidental disclosure of information.
vi. Theft.
vii. Vandalism and sabotage.
Date posted: May 14, 2019. Answers (1)