WJEC Eduqas GCSE Computer Science

Topic 10: Program Construction: revision quiz and key terms

Free practice for Topic 10: Program Construction in WJEC Eduqas GCSE Computer Science. It has 3 parts: 10.1 Translators, 10.2 Stages of Compilation and 10.3 Programming Errors. Try the questions, then check the key terms.

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Question 1 · Multiple choice

Which type of error allows a program to run but causes it to produce an incorrect result?

Question 2 · True or false?

A runtime error might be caused by an action such as dividing by zero.

Question 3 · Multiple choice

During which stage of compilation are comments and unnecessary spaces removed from the source code?

Question 4 · True or false?

An interpreter produces a standalone executable file that can run without the interpreter.

Question 5 · Multiple choice

Which stage of compilation checks that the tokens follow the grammar rules of the language?

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Key terms for Topic 10: Program Construction

Code optimisation: The compilation stage that improves object code so that it runs faster or uses less memory.
Compiler: Translates a whole high-level program into object code before it is run.
Interpreter: Translates and executes a high-level program one statement at a time.
Lexical analysis: The compilation stage that removes comments and whitespace and converts source code into tokens.
Logic error: An error that allows a program to run but causes it to produce an incorrect result.
Object code: The machine code produced after a program has been translated.
Runtime error: An error that occurs while a program is running, such as dividing by zero.
Syntax error: Occurs when code does not follow the required grammatical rules.

What Topic 10: Program Construction covers

In RADevo this topic has a full topic test and a focused quiz for each part:

10.1 Translators
10.2 Stages of Compilation
10.3 Programming Errors

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