List any two examples of network protocols.(Answered) Describe three disadvantages of wireless communication.(Answered) Describe three advantages of wireless communication.(Answered) Define the term wireless communication as used in networking.(Answered) Explain any four parts of a fibre optic cable.(Answered) Differentiate between a switch and a hub.(Answered) Describe any three components of LAN stating their importance.(Answered) Give four factors that may be considered when choosing the communication media to
use.(Answered) Differentiate between broadband transmission and baseband signal in data
communication.(Answered) Explain three disadvantages of computer networks.(Answered) Give the function of the following in data communication.
i) Repeater.
ii) Router.
iii) Terminal.
iv) Hub.(Answered) What is a computer network?(Answered) Describe any three factors that would determine the type of network topology a
firm is to adopt.(Answered) Define the term logical topology as used in networking.(Answered) Differentiate between multiplexing and demultiplexing.(Answered) Describe ring topology in computer networks.(Answered) List any four layers of OSI model.(Answered) Define the term duplex.(Answered) Explain one cause of the degradation of signals during data transmission.(Answered) Define the term simplex as used in data communication.(Answered) State two dangers of having computers networked in a school.(Answered) Give two effects of a server crash.(Answered) Define the term WLAN.(Answered) Give three uses of LAN to a school.(Answered) Define the term WI-FI.(Answered) Give two differences between MAN and LAN.(Answered) Define the term wireless personal area network.(Answered) Define the term hybrid topology.(Answered) With the aid of a diagram, illustrates the following types of topology.
a) Ring topology.
b) Bus topology.(Answered) Using diagrams, give four examples of the following network topologies.
- Star
- Bus/linear.
- Extended bar.
- Ring.
- Mesh combined.
- Hierarchical/tree.(Answered) Define the term network topology.(Answered) State three differences between a LAN and WAN.(Answered) Give four examples of network operating systems.(Answered) Define the term network interference card.(Answered) Define the term bandwidth.(Answered) Give two demerits of using fibre optic cable.(Answered) State three advantages of using fibre optic cables.(Answered) Name any two types of cables used in data communication.(Answered) Describe any three advantages of networking.(Answered) What is the function of the following in data communication?
a) Gateway
b) Bridge(Answered) Define the term data communication.(Answered) Define the term computer network.(Answered) Define the term cyber café as used in ICT.(Answered) Explain effects of computer on employment.(Answered) Mention an area of self-employment where a person with an ICT
qualification can engage in.(Answered) Mention roles of a computer systems auditor.(Answered) Explain four roles of an information system manager.(Answered) Describes roles of a database administrator. Setting up and
implementing data access policies and controls.(Answered) With reference to size, cost and processing speed, explain the likely future trend in microcomputers.(Answered) Describe the roles of a programmer.(Answered) Explain three roles of system analyst.(Answered) Define the term robot.(Answered) Define the term expert system.(Answered) State two toxic substances found in electronic components.(Answered) State two responsibilities of a network administrator.(Answered) Define the term electromagnetic emission.(Answered) State three roles of a webmaster in an organization.(Answered) State two differences between public and private universities.(Answered) List any two ICT courses offered in Kenyan Universities today.(Answered) State three attributes of a computer sales representative.(Answered) State three functions of a computer trainer.(Answered) Distinguish between a software engineer and a computer programmer.(Answered) Explain two functions of a computer engineer.(Answered) Give one disadvantage of an automated production.(Answered) Define the term RSI as an impact of ICT.(Answered) List three components of expert system.(Answered) List two negative moral effects of the internet to the society.(Answered) Explain two ways in which computer and computerized equipment may cause environmental hazards.(Answered) State four main application areas of Artificial Intelligence (AI).(Answered) Define the term radiation filter screen as used in computers.(Answered) List two health problems associated with improper sitting posture while using a computer.(Answered) Explain benefits which an organization may enjoy after automating their production systems.(Answered) Distinguish between job displacement and job replacement in relation to ICTs.(Answered) State four components of ICT.(Answered) State two application areas of artificial reality.(Answered) Describe three interactive sensory pieces of equipment required for artificial reality
to be possible.(Answered) Define the term virtual reality.(Answered) Give two reasons why the internet can be undesirable as a source of reference materials.(Answered) Give three uses of spreadsheets in a government office concerned with the carrying
out national census.(Answered) Define the following terms.
i) Data mining.
ii) Data matching.
(Answered) Explain two reasons why it is impossible for a computer model to predict the weather with the total accuracy.(Answered) Describe three advantages of using computers to predict weather.(Answered) Identify five pieces of information needed by a computer model to forecast tomorrow’s weather.(Answered) Describe positive and negative impacts related to teenage use of the internet
for entertainment.(Answered) State four different services on the internet that may be used by a high school student to help with homework.(Answered) Give four ways in which the internet can be used for entertainment.(Answered) Give four advantages of computerization of the bus transport.(Answered) Give three disadvantages of computerization of the bus transport.(Answered) Mention four computerized systems which can be found on board a bus that would be of benefit to passengers.(Answered) Describe two situations in the bus transportation industry where computerized system could
replace human employees.(Answered) Define the term biometric analysis.(Answered) Give four examples of situations where experts systems are used.(Answered) Give two advantages of having bar codes on products in supermarkets nowadays.(Answered) Mention four ways in which computers have affected how music is produced.(Answered) Give one advantage of the paper ticket system compared to e-tickets.(Answered) Give two advantages of electronic tickets (e-tickets) compared to paper tickets.(Answered) State three factors to be considered when creating an expert system.(Answered) Give two advantages of using digital cameras instead of analog cameras.(Answered)