Module 2

Question 1

Network

Answer 1

Is when computer devices are connected together to share data and infromation and hardware and software

Question 2

Advantges of networks

Answer 2

• Flexible access
• Leisure
• Sharing files
• Sharing hardware
• Fast and efficient communication
• Centralisation of data

Question 3

Disadvantages of networks

Answer 3

• Expensive (especially HAN and LAN)
• If one computer is badly affected by malware, it can affect all other computers
• A central problem can cause problems for all the connected computers

Question 4

Hardware needed for networks

Answer 4

• Computing device
• Server: connects computer to the netwrok, provides resources
• Router: connects computers to the internet
• Connection methods

Question 5

Wireless Connection Methods

Answer 5

Wireless:
* Uses radio wave transmissions to connect
* Needs a WIFI point that is built insode the router, devices must be wireless-enabled, WIFI will connect to the antennas (hotspot)

Question 6

Connecting to the internet

Answer 6

• To connect to the internet a communication media is needed :(fibre cables, telephone lines, satelite)
• The user an ISP(Vodacom, MTN, Cell C, Telkom)

Question 7

Internet

Answer 7

A world wide network made from connecting computers and networks using communication media like fibre cables, satelite, telephone lines, underwater cables

Question 8

Wired connections

Answer 8

• ADSL( Asymmetrical Digital Subscription Line) : A permanent connection using telephone lines with two separate channels: one for making regular phone calls and one for connecting to the internet
• Fibre: Data is transmitted through glass fibre cables instead of electronically on copper cables. FTTH (when fibre cables are rolled out into homes and offcies)

Question 9

Wireless

Answer 9

• ADSL and Fibre is not needed
• The use of 3G or 4G dongle (a small USB device that allows you to access internet)

Question 10

World Wide Web

WWW

Answer 10

A section in the internet that is accessed through a web browser that provides websites to people

Question 11

Web page and Website

Answer 11

• A vast group of hyperlinked and integrated docuents make up a web page
• A group of related web pages under the same web address make up a web site

Question 12

Hyperlink

Answer 12

A bulit-in connection to another web site or resource usually in blue

Question 13

Web server

Answer 13

A computer connected to the internet and hosts websites and is managed by a webmaster

Question 14

URL

Answer 14

Uniform Resource Locator
Used to identify resources like websites, aslo known as web address

Question 15

IP

Answer 15

It dentifies any computer or device connected to the internet