Computer Networking
The main difference between synchronous and asynchronous transmission is

the clocking is mixed with the data in asynchronous transmission
None of these
the pulse height is different.
the bandwidth required is different
the clocking is derived from the data in synchronous transmission

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Computer Networking
A T-switch is used to

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

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