Parts of Networks

Computer networks connect lots of computers. Computer networks can be connected by wires, ethernet cables or wirelessly using radio waves.

The internet as a network

Any device which accesses the Internet becomes part of a network.

Networks of computers

Networks are often part of the Internet.
- But networks do not always have to be part of the Internet.
Computers on a network can share devices such as printers.

Nodes and hubs

Each computer on the network is called a node.
Different parts of the network are sometimes connected in one place.
This place where different parts of the network are connected is the hub.

The network server

Resources and programs can be stored or run on a special computer.
This special computer is the network server.

1Using Computers

1.1Computers as a Tool

1.1.1Uses of Computers

1.1.2More Uses of Computers

1.1.3Advantages of Information Technology

1.1.4More Advantages of Information Technology

1.2Data

1.2.1Storing Data

1.2.2Databases

1.2.3Sorting & Filtering Data

1.2.4Interrogating Data

1.3Plagiarism & Illegal Sharing

1.3.1Plagiarism

1.3.2Copyrighted Content

2Networks & the World Wide Web

2.1Networks

2.1.1Parts of Networks

2.1.2The Internet

2.1.3The World Wide Web

2.2Searching Online

2.2.1Searching the World Wide Web

2.2.2Searching Tips

2.2.3Reliable Information

2.3Protecting Yourself Online

2.3.1Your Digital Footprint

2.3.2Being Safe

2.3.3Online Safety

2.3.4Viruses

2.3.5Malware

2.3.6People Online

2.3.7Your Feelings

2.3.8Getting Help

3Computational Thinking

3.1Computational Thinking

3.1.1Computational Thinking

3.1.2Decomposing Tasks

3.1.3Algorithms (1/2)

3.1.4Algorithms (2/2)

3.1.5Logical Reasoning & Debugging

4Computer Languages

4.1Coding

4.1.1Code

4.1.2Programs

4.1.3Writing Programs

4.1.4Writing Your Own Program: Input, Outputs, Design

4.1.5Turning an Algorithm into an App (1/2)

4.1.6Turning an Algorithm into an App (2/2)

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