Chapter 25: Networks and Web Technologies: Web Forms and JavaScript

A-level Computer ScienceOCR6 topicsHigher

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Character Sets, Images and Sound Long-Answer Questions

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4 questions24 marks36 min

standard / hard / synoptic

6 marksdescribestandardOCR A

CS25-1 digital media representation: describe how ASCII, Unicode, bit depth, resolution and sampling operates in uploading diagrams and audio feedback, using precise OCR H446 terminology.

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6 marksexplainstandardOCR A

CS25-2 applied case: explain why ASCII, Unicode, bit depth, resolution and sampling would affect uploading diagrams and audio feedback, including one limitation or trade-off.

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6 markswritehardOCR A

CS25-3 task for digital media representation: write a response using ASCII, Unicode, bit depth, resolution and sampling in uploading diagrams and audio feedback; produce a storage-size calculation setup.

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6 marksevaluatesynopticOCR A

CS25-4 synoptic judgement: evaluate the suitability of ASCII, Unicode, bit depth, resolution and sampling for uploading diagrams and audio feedback, comparing it with one credible alternative.

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24. Networks and Web Technologies: HTML and CSS

26. Networks and Web Technologies: Search Engine Indexing

Key learning objectives

Understand the key principles behind Networks and Web Technologies: Web Forms and JavaScript.
Apply these ideas to exam-style questions.
Recall the essential definitions and key terms.