Read, analyse and refine programs (Edexcel GCSE Computer Science): Quizzes
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Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What does 'read' mean when working with code?
What does 'read' mean when working with code?
Examining code to understand how it works
What does 'analyse' mean in programming?
What does 'analyse' mean in programming?
Identifying problems or inefficiencies
What must you ensure when refining code?
What must you ensure when refining code?
It still meets all requirements
Why is using multiple separate if statements inefficient for checking ranges?
Why is using multiple separate if statements inefficient for checking ranges?
It checks all conditions even after match
What happens when if...elif...else is used instead of multiple if statements?
What happens when if...elif...else is used instead of multiple if statements?
It stops checking after finding match
When should you use if...elif...else instead of multiple if statements?
When should you use if...elif...else instead of multiple if statements?
For mutually exclusive conditions
What is the main problem with using var1, var2, var3, etc. for storing similar data?
What is the main problem with using var1, var2, var3, etc. for storing similar data?
Uses separate variables inefficiently
What is a better way to store multiple similar values than separate variables?
What is a better way to store multiple similar values than separate variables?
Use a list
What is the most efficient way to add all numbers in a list?
What is the most efficient way to add all numbers in a list?
Use the sum() function
What should you look for when analysing repeated similar code?
What should you look for when analysing repeated similar code?
If it can use loops or functions
What improvement might fix poor data storage in code?
What improvement might fix poor data storage in code?
Use lists or dictionaries
What must you check after refining code?
What must you check after refining code?
It produces the same correct output