Unit 5: The internet and its uses

5.1 The internet and the world wide web

1 Understand the difference between the internet and the world wide web

2 Understand what is meant by a uniform resource locator (URL)

3 Describe the purpose and operation of hypertext transfer protocol (HTTP) and hypertext transfer protocol secure (HTTPS)

4 Explain the purpose and functions of a web browser

5 Describe how web pages are located, retrieved and displayed on a device when a user enters a URL

6 Explain what is meant by cookies and how they are used, including session cookies and persistent cookies

5.2 Digital currency

1 Understand the concept of a digital currency and how digital currencies are used

2 Understand the process of blockchain and how it is used to track digital currency transactions

5.3 Cyber security

1 Describe the processes involved in, and the aim of carrying out, a range of cyber security threats

2 Explain how a range of solutions are used to help keep data safe from security threats