Computer Science

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Exam revision

Computer Science

A-Level Computer Science

AQA

Theory of Computation

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8 Terms

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What is a variable?

A variable is a named place in memory that stores a value.

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Q2. What is a data type?

A: A data type describes what kind of data a value is (e.g., number, text, True/False).

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Q3. Name three common data types.

integer, string, Boolean and float

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Q4. What does int mean in Python?

Int stands for integer, which represents whole numbers (positive, negative, or zero) in Python.

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Q8. What does elif mean?

A: elif means else if — another condition to check.

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Q9. What data type stores True/False?

A: bool (boolean).

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Q10. What is a syntax error?

A: When the code breaks the rules of the language (e.g., bad indentation, missing colon).

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Q13. What is a string?

A: Text inside quotes, e.g., "hello".