What HTML is, the structure of a basic HTML document, and the difference between an HTML tag, an element and an attribute.

How HTML attributes add information to a tag, the syntax for links, images, tables and lists, and the four core attributes: id, title, class and style.

The five components of a communication system, the difference between simplex, half-duplex and full-duplex channels, and digital vs analogue, synchronous vs asynchronous, and serial vs parallel transmission.

Wired and wireless communication media and devices, the four types of network attacks, the difference between private and public networks, and the most common TCP/IP protocols.

The professional codes of ethics that guide IT specialists, drawn from the British Computing Society, the Association for Computing Machinery, and the IEEE.

The Data Protection Act, the Computer Misuse Act, the Copyright, Design and Patent Act, and the Health and Safety Act, and how they apply to computer users and IT professionals.

A detailed look at computer crimes from identity theft and phishing to malware attacks, viruses, worms, Trojan horses, spyware, logic bombs and denial-of-service attacks.

Practical measures to prevent computer crime, the CIA triad of computer security, and the mechanisms used to protect systems: authentication, encryption, firewalls, intrusion detection and digital signatures.

How the widespread use of computers and IT has reshaped society into a global village, and the positive and negative impacts of ICT on people and organizations.

The positive and negative effects of social networking, from easy access to information and creativity to distraction, privacy issues and time loss.