A control feature in a computer system requires the central processing unit (CPU) to send signals to the printer to activate the print mechanism for each character. The print mechanism, just prior to printing, sends a signal back to the CPU verifying that the proper print position has been activated. This type of data transmission is referred to as:
A) Echo control.
B) Validity control.
C) Signal control.
D) Check digit control.

Question

Quizplus · Accepted Answer

This type of data transmission, where a signal is sent and then a response signal is sent back, is commonly referred to as echo control.

A Control Feature in a Computer System Requires the Central