COMPUTER NETWORKING

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PHYSICAL LAYER AND TRANSMISSION MEDIA

INTRODUCTION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Data communication consists of converting information into a form of energy that can be passed along and sent to a destination where this energy is converted back to its original form of data
A
TRUE
B
FALSE
C
Either A or B
D
None of the above
Explanation: 

Detailed explanation-1: -Data communications are the exchange of data between two devices via some form of transmission medium such as a wire cable. For data communications to occur, the communicating devices must be part of a communication system made up of a combination of hardware (physical equipment) and software (programs).

Detailed explanation-2: -Specifically, data communication is the exchange of data between two devices (part of the communication system made up of hardware/physical equipment and software/program) via a transmission medium such as a wire cable or air/water (wireless).

Detailed explanation-3: -Message: It is the data or information that needs to be exchanged between the sender and the receiver. Messages can be in the form of text, number, image, audio, video, multimedia, etc. Communication media: It is the path through which the message travels between source and destination.

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