WJEC GCSE Digital Technology Communications: methods, reliability of sources and social networking
A deep-dive WJEC GCSE Digital Technology guide to the Digital communications content of Unit 1. Covers the main communication methods and how to choose between them, how to judge the reliability of online sources, and the benefits and risks of social networking for individuals and organisations.
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The Digital communications content of WJEC GCSE Digital Technology Unit 1 looks at how we communicate digitally, how to judge the information we find online, and the benefits and risks of social networking. This guide maps the topic and links to a focused answer page for each examinable point, all assessed in Unit 1, The Digital World.
Communication methods
You must describe the main methods and choose a suitable one for a situation.
| Method | Best for | Note |
|---|---|---|
| Formal messages, attachments, a record | Asynchronous; can reach many | |
| Instant messaging | Quick, informal real-time text | Synchronous |
| VoIP | Voice calls over the internet | Cheap; needs a good connection |
| Video conferencing | Live group meetings across locations | See and hear each other; no travel |
| Social media | Wide, informal sharing and promotion | Public; large reach |
Choose by matching the method to the need: live or not (synchronous versus asynchronous), one-to-one or group, formal or informal, and whether a record is required. Common benefits are speed, low cost and reach; common drawbacks are reliance on a connection, security and privacy risks, and the loss of tone or face-to-face contact.
Reliability of online sources
Because anyone can publish online, information must be evaluated. Apply these checks:
- Authority - who wrote it; an expert or respected organisation is more trustworthy.
- Accuracy - is it supported by evidence and free of errors.
- Bias - does the author have a viewpoint or something to gain.
- Currency - is it up to date.
- Corroboration - do other independent reliable sources agree.
Misinformation is false information shared by mistake; disinformation is false information spread deliberately; "fake news" is false stories presented as real. All spread fast on social media, which is why the checks matter before believing or sharing.
Social networking
Social networking connects people to share content and collaborate online.
- For individuals: benefits include staying in touch, sharing and communities; risks include loss of privacy, a lasting digital footprint, misinformation and cyberbullying.
- For organisations: benefits include cheap, wide-reaching promotion and direct feedback; risks include public complaints, reputational damage and hacked accounts.
Protect yourself with privacy settings, careful posting (remembering posts last), strong passwords and two-step verification, and caution with strangers and scam links.
How to study this topic
- Learn what each communication method is best for, plus its benefits and drawbacks, for recommend-and-justify questions.
- Memorise the five reliability checks and be able to apply them to a given source.
- Define a digital footprint and explain why it matters.
- Practise balanced evaluation of social networking for both individuals and organisations.
- Link to other topics: these ideas reappear in the impact and security topics.
The Communications dot points
Each examinable point has its own answer page with worked exam questions and cross-links:
For the official specification
WJEC publishes the full Digital Technology specification, past papers and mark schemes at wjec.co.uk. Always revise from the current specification and WJEC's own past papers, because question style is board-specific.
Sources & how we know this
- WJEC GCSE Digital Technology specification — WJEC (2021)