The internet

Question 1

What is the internet ?

Answer 1

• A global computer network providing a variety of info and communication facilities, consisting of interconnected networks using standardized communication protocols.

Question 2

What is a network of interconnected networks, spanning the world?

Answer 2

• The internet is multiple networks each joined to other networks. This equals a worldwide network for PCs;

Question 3

What are internet connections?

Answer 3

• A modem is connected to your computer system, allowing user to connect to the internet, when the computer dials a phone number provided by the internet service provider, connecting you to the network.

Question 4

How can internet connections be made?

Answer 4

• Produced with: copper cable, optical-fibre, satellite, microwave, mobile data networks.

Question 5

Characteristics of copper cable

Answer 5

• Good electricity conductor, low cost, popularly used

Question 6

Characteristics of optical-fibre

Answer 6

• Glass/plastic conductor, data transferred by pulses of light.

Question 7

Characteristics of satellite

Answer 7

• Transmit and receives data from a dish on earth via communicating with geostationary satellite.

Question 8

Characteristics of microwave

Answer 8

-Light beam reflection to transmit microwaves in straight line, unobstructed

Question 9

Characteristics of mobile data networks

Answer 9

• Use browser based internet service from device, wireless connection