System Architecture - GCSE Computer Science

This podcast discusses different methods to protect and prevent. This includes the features of a strong password and authentication methods, for example to check the user is a human and not a bot.

This podcast discusses the different scams, such as shouldering, for example looking over someone’s shoulder to see sensitive data on a screen. Other scams include phishing, pharming and blagging. The podcast will discuss how to protect against these scams, as well as discuss malware and how to protect against these.

This podcast discusses cyber security, which involves protecting networks and data. Network security is protecting the different networks such as a Local Area Network, like those found in schools or a Wider Area Network, like those used by global organisations.

This podcast discusses networks, such as star and bus networks, wired and wired networks, Personal Area Networks, Local Area Networks and Wider Area Networks. For example, a Personal Area Network would involve a mobile phone connected to a wireless speaker. Protocols and layers will also be discussed.

This podcast discusses the fetch-decode-execute cycle, which involves different parts of the computer, such as main memory, cache memory, control unit and the ALU. It also discusses storage methods such as magnetic and solid state.

This podcast is about the legal, ethical and environmental issues in Computing. It includes what organisations must do and must not do with the data they store. It also discusses how electronic devices impact on the environment, such as the factories they are made in, causing pollution