Fitness for purpose and efficiency (Edexcel GCSE Computer Science): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What does 'fitness for purpose' mean in programming?
What does 'fitness for purpose' mean in programming?
Program does exactly what it should do
What does efficiency mean when creating programs?
What does efficiency mean when creating programs?
Using least computer power, memory & time
Which is NOT a factor to check when assessing program efficiency?
Which is NOT a factor to check when assessing program efficiency?
Number of comments in the code
What is the main benefit of stopping a loop early?
What is the main benefit of stopping a loop early?
Avoids checking items after finding target
When should you use a while loop instead of a for loop?
When should you use a while loop instead of a for loop?
When you might not need to check all items
What is better for storing similar data efficiently?
What is better for storing similar data efficiently?
Single lists
What was wrong with the inefficient search code example?
What was wrong with the inefficient search code example?
Loop checked every item after finding target
How did sorting the data improve the efficient search code?
How did sorting the data improve the efficient search code?
Allowed stopping search early
What does 'early termination' mean in the efficient code example?
What does 'early termination' mean in the efficient code example?
Stop if you pass where number should be
When should you consider using dictionaries?
When should you consider using dictionaries?
For quick lookups
Why should you avoid making unnecessary copies of data?
Why should you avoid making unnecessary copies of data?
Wastes memory
What is a common exam mistake about loops?
What is a common exam mistake about loops?
Not stopping loops early