COMPUTER NETWORKING

PHYSICAL LAYER AND TRANSMISSION MEDIA

INTRODUCTION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Telephone is an example of ____
A
Half Duplex
B
Full Duplex
C
Simplex
D
a and b
Explanation: 

Detailed explanation-1: -A commonplace example of full duplex communications is a telephone call where both parties can communicate at the same time. Half duplex, by comparison, would be a walkie-talkie conversation where the two parties take turns in speaking.

Detailed explanation-2: -A telephone is an example of a complete duplex device; the parties at both ends of a call will communicate and be heard simultaneously by the other party. Communication in those devices is in one direction only. For example, a telephone is a full-duplex device because both parties can talk at once.

Detailed explanation-3: -A Walkie-talkie set is an example of Half Duplex transmission. Telephone lines, Mobile phones are commendable examples of Full-Duplex transmission.

Detailed explanation-4: -A good example of full duplex device is a telephone; both parties at both ends can speak and hear each other at the same time. In the computer world, most network protocols are duplex, enabling devices to send back and forth simultaneously.

There is 1 question to complete.