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 IMPACT OF ICT ON SOCIETY REVISION EXERCISE
State ten current trends in ICT.
A few years ago, nobody would have thought that ICT would be where it is today with mobile phones and portable computers being affordable even to students. What do you think of ten years to come?This is just to arouse imagination. As a student of computer studies, you need to keep intouch with new developments in ICT.
Identify at least nine major breakthroughs today which would never have been possible without ICT.29/11/2022 Identify at least nine major breakthroughs today which would never have been possible without ICT.
Explain how ICT has affected our cultural, religion and social values.
Justify the following statement. 'Computers are becoming physically smaller but more powerful'. This statement is true.
Define the following terms: (a) Society (b) Social networking (c) Ethics
Identify two environmental concerns that emanate from the use of ICT devices.
Highlight three negative impacts of ICT on human health.
​State three advantages and two disadvantages of automating industrial production processes.29/11/2022 State three advantages and two disadvantages of automating industrial production processes.Advantages
Disadvantages levels to be paid
​State some of the measures that can be taken to reduce technology phobia and job displacement.29/11/2022 State some of the measures that can be taken to reduce technology phobia and job displacement.Enable employees to register for computer training courses either externally or internally within the organisation for them to acquire the relevant skills.
Highlight four impacts of ICT on employment.
CAREER OPPORTUNITIES IN ICT REVISION EXERCISE
Identify six public and six private universities chartered or accredited by the Commission for Higher Education (CHE) to offer diploma and degree courses in Kenya.
Currently, university education is regulated by a government agent known as the Commission for Higher Education (CHE). State the main functions of the commission.
List at least six ICT related degrees and courses offered by recognised public and private universities.
State three levels of post secondary institutions that offer ICT related courses.
(a) Computer operator
(b) Computer technician
(c) System analyst
(d) Computer programmer
(e) Network administrator
(f) Web administrator/webmaster Develops and tests websites.
(g) Database administrator
(h) Computer engineer
(i) Computer trainer
(j) Software engineer
(k) Graphic designer
INTRODUCTION TO NETWORKING REVISION EXERCISE
State three advantages of the ring network.
​Explain how contention for a communication medium is addressed in token ring network topology.26/11/2022 Explain how contention for a communication medium is addressed in token ring network topology. The single token regulates which computer is allowed to transmit and which one waits at a particular instance.
Describe how a message is transmitted from the source to the destination node in a ring network.26/11/2022 Describe how a message is transmitted from the source to the destination node in a ring network.Computers in a ring network communicate to each other by putting messages in a small virtual packet called a token and then sending it to the next computer on the ring in a unidirectional manner.
The content in the packet has the address of the recipient computer. If the token reaches the computer to which data was addressed, that computer picks it, reads the message, then gives an acknowledgement to the sender. It then regenerates the token for circulation to the next computer. If the token was not meant for it, it passes the token on to the next computer in the same direction. Compare and contrast bus and token ring topologies.Each of the topologies has a common medium of communication between all the computers in it.
However, the computers in the bus topology are connected to the bus which is terminated at both ends, while in the ring topology, adjacent computers are joined to each other to form a complete ring. In addition, computers on a bus topology communicate through broadcasting while those on the ring do not broadcast, they communicate through a special packet called a token. State three advantages and three disadvantages of the star network topology.Advantages
Disadvantages
State two disadvantages of bus networks.
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