Year 2 - Computing
Evaluating and improving a program
Building sequences in programs
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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 begin to understand that sequences of commands have an outcome and will start to make predictions about what these outcomes may be. Pupils will use and modify designs to create their own quiz questions using sequences of code blocks.
Lesson Summary
You will learn to evaluate and improve a program.
Key Notes
- Debugging is the process of finding and correcting errors in programs
- Sound blocks can record audio effects.
- Projects can be improved by adding features.
Vocabulary To Learn
- template: a premade project that you can open and use
- evaluate: to think about what works well and what could be better in a program
- debug: to find and fix errors in a program
Common Mistakes To Avoid
- If a program works, it doesn't need evaluating.
3 Quick Questions (With Answers)
1. Describe the system or process from this lesson in clear steps.
Debugging is the process of finding and correcting errors in programs. Sound blocks can record audio effects.
2. Define this computing term and give one practical example. 'template'
a premade project that you can open and use. Add one real device or system example to prove understanding.
3. Correct this common computing misconception.
Mistake: If a program works, it doesn't need evaluating. Correction: Even working programs might need improvement to make them better, like adding new features, and making the program more efficient.
More Lessons In This Unit
Browse all guides in the Year 2 Computing guide library.