Bitmap vs Vector Graphics
Part of Images & Sound · GCSE GCSE Computer Science revision
This key facts covers Bitmap vs Vector Graphics within Images & Sound for GCSE Computer Science. Revise Images & Sound in 3.3 Data Representation for GCSE Computer Science with 18 exam-style questions and 16 flashcards. This topic shows up very often in GCSE exams, so students should be able to explain it clearly, not just recognise the term. It is section 6 of 12 in this topic. Use this key facts to connect the idea to the wider topic before moving on to questions and flashcards.
Topic position
Section 6 of 12
Practice
18 questions
Recall
16 flashcards
Bitmap vs Vector Graphics
| Aspect | Bitmap (Raster) | Vector |
|---|---|---|
| Storage | Grid of pixels with color values | Mathematical formulas (lines, curves, shapes) |
| Scaling | Pixelated when enlarged | Perfect at any size (resolution-independent) |
| File Size | Large - depends on resolution | Small - just stores formulas |
| Best For | Photos, realistic images, complex scenes | Logos, diagrams, fonts, illustrations |
| Examples | JPEG, PNG, BMP, GIF | SVG, PDF, AI, EPS |
| Editing | Pixel-by-pixel (Photoshop) | Move/resize shapes (Illustrator) |
Keep building this topic
Read this section alongside the surrounding pages in Images & Sound. That gives you the full topic sequence instead of a single isolated revision point.
Practice Questions for Images & Sound
What does colour depth refer to in a digital image?
Explain the effect of increasing colour depth on a digital image. Refer to both file size and image quality in your answer.
Quick Recall Flashcards
18 questions on Images & Sound — practise free
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