N-Level Computer Applications (SEAB 7018) The Internet and Email: how the internet and the web work, searching effectively and judging reliability, writing and sending email with To, Cc and Bcc, and cloud storage and online collaboration

Why this module matters

The Internet and Email teaches you to use the internet and email confidently and responsibly, knowledge tested in the written Paper 1 and used throughout the practical work, where you research, communicate and share files. Understanding how the web works, how to find and judge information, and how to communicate clearly are everyday digital skills as well as exam material.

This guide ties together the matching dot-point pages, each with its own worked detail and practice. The strands below move from how the internet works, through finding information, to communicating and sharing.

How the internet works

Start with the foundations. See how the internet works for the internet, the web and how a page loads.

The internet is the global network of connected computers and the links that join them, the infrastructure that carries data. The World Wide Web is one service running on it: the web pages and sites you view in a browser using web addresses (URLs). When you enter an address, the browser requests the page from a server, which sends it back to be displayed. Email is another service on the internet but is not part of the web.

Searching the web effectively

Next, finding information. See searching the web effectively for keywords, refining and reliability.

Use a search engine with good keywords, the important words from your question rather than a full sentence, and refine the search by adding more specific words or using quotation marks for an exact phrase. Then evaluate the results: check who is responsible for a site, whether the information is current and supported by evidence, and whether it is balanced, before you trust and use it.

Using email

Then communicating. See using email for composing, To/Cc/Bcc, attachments and etiquette.

Compose email with a clear subject that summarises the message and a polite, well-organised body. Use To for the main recipients, Cc for people who should see it for information, and Bcc to send a copy while keeping those addresses private. Add attachments for files, but keep them a sensible size. Good etiquette means a clear subject, a greeting and sign-off, polite tone, and checking before you send.

Cloud storage and collaboration

Finally, saving and working together. See cloud storage and collaboration for saving, syncing, sharing and the trade-offs.

Cloud storage keeps your files on remote servers reached over the internet, so you can save, sync and share files and work together on the same document, with permissions that decide who can view or edit. The benefits are access from any device, easy sharing and a recoverable copy if your device fails; the risks are needing a connection, trusting the provider's security, and the danger of a weak password or wrong sharing setting.

How this module is examined

• Paper 1 (written, 30%). Short-answer and multiple-choice questions on the internet versus the web, browsers and servers, effective searching and reliability, email and To/Cc/Bcc, and cloud storage benefits and risks.
• Throughout the practical work. Research reliably, communicate clearly, and share files with sensible permissions.

Check your knowledge

Try these, then take the matching quiz for this module.

1. State the difference between the internet and the World Wide Web. (2 marks)
2. Give two things to check when judging if a website is reliable. (2 marks)
3. Explain when you would use Bcc instead of To or Cc. (2 marks)
4. State one benefit and one risk of cloud storage. (2 marks)