Year 11 - Computing
Creating digital graphics
Digital media
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This pupil-friendly study guide includes a unit summary, clear notes, common mistakes, and quick questions with answers.
Unit Summary
In this unit pupils will develop pre-production skills used in digital media. They will learn the importance of understanding client requirements, planning, developing timeframes and the steps involved in these processes. They will be exposed to a variety of software tools and learn how to use them.
Lesson Summary
You will learn to describe the differences between image types and use software to create a digital graphic.
Key Notes
- The two main types of digital graphics are called raster and vector.
- Raster and bitmap are interchangeable terms used for the same type of image.
- Lossy means quality is lost if the image is resized.
- Lossless means no quality is lost when resized.
Vocabulary To Learn
- raster: also known as bitmap, raster graphics are composed of pixels containing colour information
- vector graphic: an image made up of lines and shapes
- lossy compression: a method where data is permanently lost during the compression process and must be approximated when the file is decompressed
- lossless compression: a method of compression where no data is permanently lost during the process
Common Mistakes To Avoid
- Bitmap and raster are two different types of image.
3 Quick Questions (With Answers)
1. Describe the system or process from this lesson in clear steps.
The two main types of digital graphics are called raster and vector. Raster and bitmap are interchangeable terms used for the same type of image.
2. Define this computing term and give one practical example. 'raster'
also known as bitmap, raster graphics are composed of pixels containing colour information. Add one real device or system example to prove understanding.
3. Correct this common computing misconception.
Mistake: Bitmap and raster are two different types of image. Correction: They are the same and can be referred to as a raster or bitmap image.
More Lessons In This Unit
- Creating a multi-page website Study Guide
- Creating digital video Study Guide
- Digital artefact types and uses Study Guide
- Initiation and planning digital artefacts Study Guide
- Legal and ethical considerations in creating digital artefacts Study Guide
- Plan and create a digital artefact from a given brief Study Guide
- Project lifecycle Study Guide
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