Year 3 - Computing
Making groups
Organising data using databases
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This pupil-friendly study guide includes a unit summary, clear notes, common mistakes, and quick questions with answers.
Unit Summary
This unit develops pupils' knowledge of what a branching database is and how to create one. They will use yes/no questions to gain an understanding of what attributes are and how to use them to sort groups of objects. Pupils will create an identification tool using a branching database.
Lesson Summary
You will learn to identify the attributes needed to collect data about an object.
Key Notes
- Objects can be described using attributes.
- Attributes can be used to split objects into groups.
- Objects can be arranged in a branching tree diagram.
Vocabulary To Learn
- branching tree diagram: a diagram where data is organised into a structure that is like an upside-down tree
- group: a set of people or objects placed together
Common Mistakes To Avoid
- An object can be in both the 'yes' and the 'no' group, or neither group.
3 Quick Questions (With Answers)
1. Describe the system or process from this lesson in clear steps.
Objects can be described using attributes. Attributes can be used to split objects into groups.
2. Define this computing term and give one practical example. 'branching tree diagram'
a diagram where data is organised into a structure that is like an upside-down tree. Add one real device or system example to prove understanding.
3. Correct this common computing misconception.
Mistake: An object can be in both the 'yes' and the 'no' group, or neither group. Correction: An object can only be in either the 'yes' or the 'no' group, not both or neither.
More Lessons In This Unit
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