Data Structures (AQA GCSE Computer Science): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
ShowHide
Practise the questions
12 questions from this quiz
What is a data structure best described as?
What is a data structure best described as?
A filing system for programs
What is an array?
What is an array?
A row of numbered boxes storing data
At which index number does an array start counting?
At which index number does an array start counting?
0
What must be true about all items in an array?
What must be true about all items in an array?
They must be the same data type
If an array has 10 elements, what is the highest index value?
If an array has 10 elements, what is the highest index value?
9
What is the main advantage of using FOR loops with arrays?
What is the main advantage of using FOR loops with arrays?
Processes items automatically
How are Python lists more flexible than traditional arrays?
How are Python lists more flexible than traditional arrays?
They can change size during runtime
What structure is a 2-dimensional array similar to?
What structure is a 2-dimensional array similar to?
A table with rows and columns
How many index numbers are needed to access a 2D array element?
How many index numbers are needed to access a 2D array element?
Two
What is a nested loop?
What is a nested loop?
One loop inside another loop
What advantage do FOR EACH loops offer when working with arrays?
What advantage do FOR EACH loops offer when working with arrays?
Process items without index numbers
Which characteristic is true about array size?
Which characteristic is true about array size?
Decided when the array is created