An I/O port can be _________.
A) an input, output, or both
B) direct or memory mapped
C) serial or parallel
D) all of the above

Question

Quizplus · Accepted Answer

An I/O port can indeed be an input, output, or both, allowing for bidirectional data flow. It can be direct or memory mapped, indicating the method by which the CPU accesses the I/O device. Additionally, it can be serial, where data is transmitted bit by bit, or parallel, where multiple bits are transmitted simultaneously. Thus, all the given options correctly describe the characteristics of an I/O port.

An I/O Port Can Be _________