Communication Systems

Question 0

List 3 protocols

Answer 0

Http, TCP, IP, HTTPS, SMS, MMS

Question 1

Define handshaking

Answer 1

Is the process of negotiating and establishing rules of communication between two or more devices

Question 2

Outline social and ethical issues related to communication systems.

Answer 2

Not everyone have access to the data. Direction of data will possibly get lost when being sent, also will all the information appear when received

Question 4

What is a communication system?

Answer 4

A system that enables users to send and receive data and information.

Question 5

What are Protocols?

Answer 5

Set of rules that govern the transfer of data between computers, defines how information is transmitted and how errors are detected

Question 6

What is handshaking?

Answer 6

An agreement about which protocol to use to accomplish the exchange of information, it is a series of signals that flow between devices using during data transmission.

Question 7

What are some methods of Handshaking?

Answer 7

• Hardware flow control uses a dedicated connection such as a wire RTS/CTS protocol
• Software flow control uses a special code sent with the data, used for long distance communications XON / XOFF, X = transmit

Question 8

What is bandwidth?

Answer 8

Capacity of the channel or transmission medium

Question 9

What is bits per second?

Answer 9

Maximum number of bits that can be transmitted in a second

Question 10

Define Baud Rate?

Answer 10

Maximum number of data symbols or electrical signals that can be transmitted in one second

Question 11

What are the types of Error Checking?

Answer 11

Parity Checking
Checksum
Cyclic Redundancy Check
Error Correction

Question 12

What are some examples of Communication Systems?

Answer 12

• Teleconferencing allows a meeting to occur at the same time at different locations
• Messaging Systems
• Traditional
• Telephone
• Fax
• Recent
• Voicemail
• Electronic mail
• E-Commerce
• Buying and selling of goods and services over the internet
• Credit cards or EFTPOS are used to transfer funds
• E-banking allows customers to perform transactions and view financial records
over the internet.

Question 13

What is a communications system?

Answer 13

A system that enables users to send and receive data and information as the purpose of the system

Question 14

What are the components of the communication system framework

Answer 14

Source, transmitter, medium, receiver, destination and the message. These travel through levels of the system.

Question 15

What are the three levels of the communications system framework

Answer 15

Application, Communication Control and Addressing, Transmission Level

Question 16

How does a message get sent around the network?

Answer 16

Through packets that are organised by splittling a message, the signal is then generated and sychnonised, adderessed, routed and then checked for errors

Question 17

Protocols

Answer 17

Rules and processes that a system follows

Question 18

What is OLAP?

Answer 18

Online Analytical Processing, this is generally the system behind data mining.