In the output interface of the parallel port, along with the valid signal ______ is also sent.(a) Data(b) Idle signal(c) Interrupt(d) Acknowledge signalThis question was addressed to me at a job interview.This intriguing question comes from Parallel Port topic in chapter Input/Output Organisation of Computer Architecture

In the output interface of the parallel port, along with the valid sig

1.	In the output interface of the parallel port, along with the valid signal ______ is also sent.(a) Data(b) Idle signal(c) Interrupt(d) Acknowledge signalThis question was addressed to me at a job interview.This intriguing question comes from Parallel Port topic in chapter Input/Output Organisation of Computer Architecture
Answer» The CORRECT answer is (b) Idle SIGNAL Easiest explanation: The idle signal is used to check if the device is idle and ready to RECEIVE data.

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