Teach Computing

Revision notes, activities, lesson plans, teaching ideas, and other resources for GCSE, A-Level, and IB Computer Science teachers and students.

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Boolean logic worksheet pack

These three Boolean logic worksheets have exam style questions on logic sta...

Edexcel Computer Science (9-1)

by Ann Weidmann et al Amazon.com | Amazon.co.uk | Book Depository This bo...

Dijkstra's algorithm video

This video is probably the best explanation of Dijkstra's algorithm for IB ...

Input-Process-Output (IPO) Model

The Input-Process-Output model is a simple topic but some students sometime...

Hexadecimal

A comprehensive review of hexadecimal. The video covers not only how to u...

Subprograms, Local Variables & Structured Programming

Subprograms are known by several different names - methods, functions, proc...

Utility Software and Models

Some students find the difference between operating system software and ut...

Data Structures

This video explains different types of data structures - 1 dimensional ar...

Operating System (OS) - GCSE Computer Science

A detailed overview of operating systems, starting with the general tasks t...

TCP / IP

Click here for recommended AQA A-Level Computer Science textbooks.

4.9.4.1 TCP/IP

4.9.4.2 Standard Application Layer Protocols

4.9.4.3 IP Address Structure

4.9.4.4 Subnet Masking

4.9.4.5 IP Standards

4.9.4.6 Public and Private IP Addresses

4.9.4.7 DHCP

4.9.4.8 Network Address Translation (NAT)

Network Address Translation (NAT)

Network Address Translation

This video does a good job of explaining quite a complex topic - the idea of Network Address Translation (NAT) and public and private IP addresses. Examples include how a university would support multiple computers and how a home network support multiple devices on a single IP address.


Updated: 2015-05-27

4.9.4.9 Port Forwarding

4.9.4.10 Client Server model

4.9.4.11 Thin vs Thick Client Computing