ICT all information needed.

Keywords

• IP Address - Internet protocol address.
• ISP - Uniform resource provider.
• Network interface card - A computer hardware component that connects a computer to a computer network.
• Local area network - A computer network that links devices within a building or group of adjacent buildings.
• Wide area network - A computer network in which the computers connected may be far apart.
• Router - A device that forwards data packets along networks.
• Switch - Stores the addresses of all network devices that are directly or indirectly connected to it on each port.
• Internet service provider - An organisation who provides broadband.
• GPS - Global positioning system.
• VOIP - Voice over internet protocol.
• POP - post office protocol.
• IMAP - internet message access protocol.
• SMTP - Simple mail transfer protocol.
• Http - Hypertext transfer protocol
• Https - Hypertext transfer protocol secure.
• Cookie- Text file that stores information in the computer to keep track what the customer is looking at.
• Flash memory - is a type of peripheral that is ideal for portable digital devices.

Home networks

• Advantages:
• - Sharing devices like printers saves money
• - Site licences are likely to be cheaper than buying several stand alone licences.
• - Files can be easily shared between users.
• - Network users can communicate by email and instant messenger.
• - Security is good.
• - Data is easily backed up as all data is stored on file server.
• - Can access the same files on multiple computers.
• Disadvantages:
• - Purchasing the network cabling and file servers can be expensive.
• - Managing a large network is complicated, requires training and a network manager usually needs to be employed.
• - If the file server breaks down the files on the file server become inaccessible. Email might still work if it is on a separate server. The computers can still be used but are isolated.
• - Viruses can spread to other computers throughout a computer network.
• - There is a danger of hacking, particularly with wide area networks. Security procedures are needed to prevent such abuse, eg a firewall.

Wired over wireless

• Advantages of wired:
• - Better security
• - Faster internet
• - Can stay connected throughout the building.
• - Equipment is inexpensive.
• Disadvantages of wired:
• - Restricted to one area.
• - Health and safety issues.
• - Space
• - You have to have power constant.

Communicating Online

• Advantages:
• - Able to talk to friends all over the world.
• - Usually free to communicate.
• - Can communicate 24/7
• - Cheaper than flying out to talk face to face.
• Disadvantages:
• - Sexual predators
• - People may not be who they say they are.
• - Become addictive.
• - No face to face interaction