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1.3 NetworksUnit 1 Using Computers

Teacher’s notes in the Notes Page

Flash activity (these are not editable)Icons: Worksheet or support sheet available

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Learning objectives

By the end of this presentation we will have learned:

what a network is

the advantages and disadvantages of networks

about the topology of networks

about different types of network.

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Each user must have a unique username and password.

Users must log on and log off each time they use a computer.

Users must choose a password that only they know, and remember it and keep it private.

Using school computers

What rules are there about using school computers?

Why do these rules exist?

Because the computers are in a network.

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A network is a group of computers that are linked together. Each computer is connected (via a switch) to a server.

What is your school computer network made up of?

What is a network?

Networks are beneficial because software, storage, peripherals and processing power can be shared.

The server is a very powerful computer that provides programs and storage space for other computers.

When you use programs and save files on school computers, you are actually saving them on the server.

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Advantages and disadvantages

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Describing networks

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