Computer Networking
Which of the following communications lines is best suited to interactive processing applications?

None of these
mixed band channels
narrowband channels
full-duplex lines
simplex lines

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Computer Networking
A front-end processor is

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
preliminary processor of batch jobs.
a user computer system
None of these

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