Computer Networking
What is the name of the software package that allows people to send electronic mail along a network of computers and workstations?

Electronic mail package
Project management package
Data communication package
Memory resident package
None of these

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Computer Networking
A T-switch is used to

rearrange the connections between computing equipment
control how messages are passed between computers
echo every character that is received
None of these
transmit characters one at a time

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Computer Networking
A front-end processor is

None of these
a processor in a large-scale computer that executes operating system instructions
a minicomputer that relieves main-frame computers at a computer centre of communications control functions
a user computer system
preliminary processor of batch jobs.

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