1. Write down whether the following statements are true or false. a .Electronic mail ensures that the computers are using the same protocols. F b. Software that has been modified for a network is called network software. T c. If text to be communicated is written on a word processor first, it reduces the cost. T d. Videotex is an information retrieval service which uses a central computer, telephonelines and modified television sets. T e. Protocols are the set of rules for transferring data. T f. A word processor cannot be used with electronic mail. F g. Bulletin boards provide a means by which users can exchange messages. T h. Network software and a network operating system are used LANs. F i. Mailboxes are storage spaces on a terminal. F 2. How can a word processor be used in a communication system? - It can be used to create text to be communicated. 3. What is the purpose of communication software? - It allow the transfer ofdata/information from one location to another location, it also allow computers to send and receivedata at the right time, and ensure that the computers are using the same protocols. 4. List some of the services Videotex provides. - It provides up-to-date information on such topics asnews, weather, sport, travel and holiday facilities. 5. What are the advantages in using electronic mail? - It s very fast and relatively cheap, and it allows mail to be sent to more thanone in many different locations. 6. Explain the purpose of a network operating system. - . Its purpose is tomanage the network and allow the workstations and fileserver communicate. 7. Why do people use bulletin boards? - It provide a means by which users can exchange messages. It s also allow them to send (upload) or retrieve (download) public domain software providing easy distribution.
Posted on: Sun, 23 Nov 2014 07:31:58 +0000
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