Types of Communication channels

Question 1

What is Simplex Communication?

Answer 1

Only sends information in one direction, from the sender to receiver.

Question 2

What is Half-Duplex Communication?

Answer 2

This provides communication in both directions, but only one direction at a time, not simultaneously in both directions.

Question 3

What is Full-Duplex Communication?

Answer 3

Simultaneous transmission of data is enabled between connected systems, meaning both participants in a call can send and receive audio simultaneously.

Question 4

What is Point-to-Point Communication?

Answer 4

This is a communications connection between two communication endpoints or nodes.

Question 5

What is Multi-Drop Communication?

Answer 5

This is a single communication line that connects multiple stations, terminals or computers.

Question 6

What is Synchronous Communication?

Answer 6

This is the exchange of information between 2 or more people in real-time.

Question 7

What is Asynchronous Communication?

Answer 7

This is any type of communication where two people aren’t expected to be present and available at the exact same time.

Question 8

What does Parallel Transmission do?

Answer 8

Parallel transmission uses multiple lines to transmit data simultaneously. Each bit must be sent over a single wire, this transmission involves multiple wires.

Question 9

What does Serial Transmission do?

Answer 9

Serial transmission is a communication method that uses one or two transmission lines to send and receive data, and that data is continuously sent and received one bit at a time.

Question 10

What is the Transmission Medium?

Answer 10

The material that a signal is transmitted through.

Question 11

Examples of Transmission Medium?

Answer 11

Copper, Fibre-Optics, Wireless, Infrared and Laser, Bluetooth, Wi-Fi, GSM, Satellite.

Question 12

Advantage and Disadvantage of using Copper.

Answer 12

Advantage - High electrical conductivity.
Disadvantage - Can corrode.

Question 13

Advantage and Disadvantage of using Fibre optics.

Answer 13

Advantage - Long distance and fast speed.
Disadvantage - Higher cost than copper.

Question 14

Advantage and Disadvantage of using Wireless.

Answer 14

Advantage - Cost Effective.
Disadvantage - Less Secure

Question 15

Advantage and Disadvantage of using Infrared and Laser.

Answer 15

Advantage - Simple and Cheap.
Disadvantage - Can harm your eyes.

Question 16

Advantage and Disadvantage of using Bluetooth.

Answer 16

Advantage - Data can be transferred easy.
Disadvantage - Limited range.

Question 17

Advantage and Disadvantage of using Wi-Fi.

Answer 17

Advantage - Inexpensive and easy to install.
Disadvantage - Need to find spots that you can connect to.

Question 18

Advantage and Disadvantage of using GSM.

Answer 18

Advantage - Remote Communication.
Disadvantage - Expensive.

Question 19

Advantage and Disadvantage of using Satellite.

Answer 19

Advantage - Very High Performance.
Disadvantage - High cost to implement.