Describe the following network services and identify their applications i. Voice mail (2 Marks) Voice Mail (or voice matt, voice mail VMS, sometimes called message bank) is a centralized system of managing telephone messages for a large group of people. In its simplest form it mimics the functions of an answering machine, uses a standard telephone handset for the user interface, and uses a centralized, computerized system rather than equipment at the individual telephone. Voicemail systems are much more sophisticated than answering machines in that they can:
ii. Video conferencing. (2 marks)
1 Comment
Physical features of human beings that can be considered in Bio metric analysis. (3 marks)
State and explain three components of an experts system. (6 marks)
Explain the following interactive sensory equipment used in virtual reality: (2 marks) (i) Head gear.
(ii) Body suit
What is Virtual reality? (1 mark)
Is where a person gets psychologically immersed in an artificial environment generated by a computer system. With an example for each, describe how computers are used in the following areas of education;19/7/2023 With an example for each, describe how computers are used in the following areas of education;Simulation This is whereby the compters are designed to resemble the actual enviroment for the users to learn instead of going to the actual environment which might be very expensive or risky for them. Example used for training pilots instead of using the actual planes Tutorial
These are learning materials provided in soft copy for the learners to read for knowledge. Example: e – books Components of expert system
Physical features of human beings that can be considered in biometric analysis
Describe Computer based simulation, giving an area of application and an advantage for simulation program.
Advantages:
Describe biometric securityRefers to the science of identifying an individual through their body characteristics such as face geometry, hand geometry, iris or rental scans or voice patterns.
Explain two application areas of artificial intelligence
APPLICATION AREAS OF ICT REVISION EXERCISE
Explain how you would make a stand alone PC to support virtual reality
What is a boom?A boom is an alternative to the often-uncomfortable head gear. The screen, optical and sound systems borare housed in a box which the user looks into to see the virtual world.
State some of the application areas of virtual reality.
Describe a virtual reality session.The user puts on a head gear or looks through a boom to see the virtual world.
Sound is relayed via an earpiece to the user. Gloves which are worn on the hands enable the user to touch objects in the virtual world while a body suit detects user movements and adjust his/her position in the virtual world. Define the following term 'virtual reality'.Virtual reality is the simulation or generation of a virtual world which to the user, emulates the real world in every aspect.
State seven advantages of computerised transaction processing systems.
Define a transaction processing system.A transaction processing system is an information system that captures, stores, updates and retrieves the daily commercial activities of an organisation.
Explain the importance of electronic commerce to modern organisations.Electronic commerce enables organisations to reach the world wide market through the internet hence increases sales and profitability.
Define e-commerce.E-commerce is the use of computers and other ICT devices to transact business electronically between two or more parties without them coming face to face.
Define an expert system.An expert system is a computer software that simulates the decision making process and behaviour of a human being who has expert knowledge in a certain discipline. It also has a set of rules that help it to make conclusions when some parameters are entered.
State three examples of the use of expert systems.
Define the term 'management information system'. A management information system is a collection of computers, data, information, software, users and presentations that support management to make informed decisions in an organisation.
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