Chapter 6.1 - Communication Methods

Question 1

What is serial data transmission?

Answer 1

Bits are sent one after another along the same data line
One line is required for data transmitted in one direction, two line needed for two way communication

Question 2

What is parallel data transmission?

Answer 2

Several bits are sent simultaneously along separate lines or channels
8 bit block of data will require 8 data channels plus some extra for control information