Computer Networking
A front-end processor is

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

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Computer Networking
Bandlimited signal is

simultaneous transmission of data to a number of stations
None of these
All of these
a signal all of whose energy is contained within a finite frequency range
transmission of signals without modulation

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