(i) Graphical User Interface (GUI)
This refers to a human computer interface (HCI) based upon a graphical display. A GUI
makes use of icons, buttons, bars and boxes to perform tasks.
Human Computer Interface (HCI)
This refers to the environment where the interaction between end users and the computer is
said to take place.
Other interfaces that could be used in the design of systems:
1.Command driven interfaces- these enable the user to quickly and simply instruct
thecomputer on what to do via commands.
2.Menu driven interfaces- these provide users with menus. The menus provide the
userwith a number of options and a simple means of selecting between them.
3.Direct manipulation interfaces- these present the user with a set of options that
arerepresented by icons. The user moves the cursor using the mouse until it is over the
icon and then clicks the mouse button to select the option.
4.User Interface Management System (UIMS)- These create a means by which
aconsistent interface with the same ?look and feel? can be provided for any
number of different applications within the same system.
gregorymasila answered the question on November 21, 2017 at 20:00
-
During systems development life cycle (SDLC): the systems analyst uses some tools to model the users requirements in such a way that he is able...
(Solved)
During systems development life cycle (SDLC): the systems analyst uses some tools to model the users requirements in such a way that he is able to communicate his understanding of the users needs.
Required:
Identify and describe three tools the systems analyst may use. to model the systems
requirements.
Date posted:
November 21, 2017
.
Answers (1)
-
One important aspect of information-systems management is the physical and managerial location or siting of the information system within an organisation.Explain two information systems location...
(Solved)
One important aspect of information-systems management is the physical and managerial location or sitting of the information system within an organisation.
Explain two information systems location options indicating circumstances under which each siting allocation is appropriate.
Date posted:
November 21, 2017
.
Answers (1)
-
A company needs information on whicb to base decisions concerning the current operations and future plans. Explain areas of management control where computers are used or...
(Solved)
A company needs information on which to base decisions concerning the current operations and future plans. Explain areas of management control where computers are used or can be used.
Date posted:
November 21, 2017
.
Answers (1)
-
Four companies A., B, C and D, which have similar activities but are not part of a group,have the following computer configurations,Company A: Three stand-alone...
(Solved)
Four companies A, B, C and D, which have similar activities but are not part of a group,
have the following computer configurations,
Company A: Three stand-alone micro-computers (CPU, VDU, Keyboard, hard disk and
mouse) each having its own printer.
Company B Small office with 11 micro-computers linked in a Local Area Network (LAN).
Each micro-computer has its own processing ability, but is linked via the
LAN to central printers, disk storage, file server and tape streamer devices.
The LAN is completely self-contained", This means that there are no modems or other similar external devices attached to it.
Company C Four processing locations connected by a Wide Area Network (WAN). Each
location has a LAN in the same configuration as company B, although there is also a
dedicated landline to two of the three. offices (offices are connected in a ring to two of
the other offices). Each server is updated with. data from the other three locations at 15
minutes interval.
Company D Twenty processing locations, each with its own LAN in the same configuration
as company B. All locations are connected in a star configuration to head
office. File servers at each location are updated from head office after every
five minutes, Each location has a reserved external., telephone line for
selected customers to use. Orders by customers are
transmitted direct on to the company D‘s Computer system
Required:
(a) State, with reasons, for each company, what security procedures should be applied to
ensure there is no unauthorized access to its computer system.
(b) Company B is planning to establish additional branches and wants to upgrade its
systems to duplicate those of company D.
State and explain the data communication systems you would recommend
Date posted:
November 21, 2017
.
Answers (1)
-
User friendliness is one of the key and desirable features that form a basis for evaluating competing software packages. Required:Name and describe three features of a...
(Solved)
User friendliness is one of the key and desirable features that form a basis for evaluating competing software packages.
Required:
Name and describe three features of a user friendly software.
Date posted:
November 21, 2017
.
Answers (1)
-
The accounting department of a medium sized business organisation for which you work wishes to purchase microcomputers to support its functions. You have been asked to...
(Solved)
The accounting department of a medium sized business organisation for which you work wishes to purchase microcomputers to support its functions. You have been asked to draft a document that outlines the hardware and software specifications for the proposed project.
What would your draft contain?
Date posted:
November 21, 2017
.
Answers (1)
-
What is friend function?
(Solved)
What is friend function?
Date posted:
November 21, 2017
.
Answers (1)
-
Outline the disadvantages of bureaux as a method of possessing a computer.
(Solved)
Outline the disadvantages of bureaux as a method of possessing a computer.
Date posted:
November 21, 2017
.
Answers (1)
-
The organisation you work for has hired a software engineer to develop a suite of software to manage your payroll application system. As the financial...
(Solved)
The organisation you work for has hired a software engineer to develop a suite of
software to manage your payroll application system. As the financial manager, you
are working closely with the software engineer to ensure that the software quality
assurance standards are attained.
Required:
(i) List any four data validation checks that the software engineer should incorporate into
the program.
(ii) Why is it important to test the software before implementing it?
(iii) Suggest two measures that the software engineer must take in order to simplify user
training and support that is fundamental to the success of the information systems
project.
Date posted:
November 21, 2017
.
Answers (1)
-
Outline the service factors to consider before procuring a computer.
(Solved)
Outline the service factors to consider before procuring a computer.
Date posted:
November 21, 2017
.
Answers (1)
-
It is claimed that data required to support strategic planning differs from data required to support operational decisions in terms of the time period referred to...
(Solved)
It is claimed that data required to support strategic planning differs from data required to
support operational decisions in terms of the time period referred to and the source or origin of the data.
Required:
Briefly describe how data required to support strategic planning differs from that required to
support operational
decisions in terms of:
(i) Time period referred to.
(ii) The source or origin of the data.
Date posted:
November 21, 2017
.
Answers (1)
-
Outline advantages of using bureaux as a way of acquiring a computer.
(Solved)
Outline advantages of using bureaux as a way of acquiring a computer.
Date posted:
November 21, 2017
.
Answers (1)
-
Outline the disadvantages of leasing a computer.
(Solved)
Outline the disadvantages of leasing a computer.
Date posted:
November 21, 2017
.
Answers (1)
-
Outline the advantages of leasing a computer.
(Solved)
Outline the advantages of leasing a computer.
Date posted:
November 21, 2017
.
Answers (1)
-
Outline the disadvantages of renting a computer.
(Solved)
Outline the disadvantages of renting a computer.
Date posted:
November 21, 2017
.
Answers (1)
-
Outline the advantages of purchasing a computer.
(Solved)
Outline the advantages of purchasing a computer.
Date posted:
November 21, 2017
.
Answers (1)
-
Outline three functionalities or tools that an automated software development tool requires
(Solved)
Outline three functionalities or tools that an automated software development tool requires.
Date posted:
November 20, 2017
.
Answers (1)
-
Suggest three types of decisions that electronic point of sale system can support indicating sales information required to support each decision.
(Solved)
Suggest three types of decisions that electronic point of sale system can support indicating sales information required to support each decision.
Date posted:
November 20, 2017
.
Answers (1)
-
Give four possible courses of action that may be taken to overcome the shortage of staff and thus allow full implementation of the system
(Solved)
Give four possible courses of action that may be taken to overcome the shortage of staff and thus allow full implementation of the system.
Date posted:
November 20, 2017
.
Answers (1)
-
In conducting a cost-benefit analysis, state any three cost items and any three intangible benefits you would consider
(Solved)
In conducting a cost-benefit analysis, state any three cost items and any three intangible benefits you would consider
Date posted:
November 20, 2017
.
Answers (1)