9.2 Networks
A network consists of a number of terminals and their peripheral devices are connected. Terminals can be dumb, smart or intelligent. Our computers at school are intelligent and are also called workstations. Our classroom is part of a Local Area Network (LAN). The file server is in the library.
Network topology describes how the computers are connected. There are ring, bus and star networks.
Copy out the diagrams on p174.
Wide area networks (WANs) connect computers over hundreds of thousands of kilometres.
Write out the sentence and fill in the missing word
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When a number of computers
and their peripheral devices are connected it is called a ????? . |
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????? connect computers within a building or group of buildings on one
site. |
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A ????? is a computer that provides
users with data , application software and mass storage. |
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A distributed
processing system is a LAN that provides each user with a ????? , as well as access to the
file server. |
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Network ????? is the method of arranging
the cables in a LAN. |
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A ring network does
not have a central computer and all workstations are connected by a cable in
a closed ????? . |
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A bus network does
not have a central computer. All the workstations are connected by one
continuous cable called a ????? . |
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A star network has
a ????? computer to which each
workstation is directly connected. |
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????? connect computers over hundreds of thousands of kilometres. |
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WANs often consist
of a main computer system (such as a mainframe) called the ????? . |