9.6 People
Telecommuting describes the actions of a worker who is no longer required to travel to and from an office. Video conferencing allows groups of people in different locations to see and hear one another. Education is also available via the net.
Write out the sentence and fill in the missing word
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A ????? cable has a single copper
wire surrounded by an insulator and then encased in a wire mesh or metal
sheath. |
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A fibre optic
cable uses a laser of ????? to
carry data in small glass fibres about the diameter of a human hair. |
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A ????? is a device that enables the
transmission of data from one computer to another. |
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????? terminals have both memory and processing capabilities. |
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????? are
computers that perform a function for other computers on the network such as
sharing hardware resources. |
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When you disconnect from a host computer you ????? . |
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The action of
transferring a file from your computer to another computer is called ????? . |
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????? transfer transmits a number
of data bits simultaneously through separate channels. |
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????? mode allows transmission in both directions but not at the same
time. |
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????? transmission requires all the data to be sent at the same rate. |