5
Chapter 5 · Paper 1: Computer Systems
The internet and its uses
How the internet works and how to stay safe on it.
3 topics0 free
Start this chapter Topics in this chapter
- 5.1
The internet and the World Wide Web
PremiumLesson coming soonURLs, HTTP and HTTPS, web browsers, DNS, cookies and how a web page reaches your screen.
- 5.2
Digital currency
PremiumLesson coming soonWhat digital currency is and how blockchain records transactions.
- 5.3
Cyber security
PremiumLesson coming soonThreats such as malware, phishing and hacking, and the methods used to protect systems.
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