Data Types (OCR A-Level 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 is a key characteristic of the integer data type?
What is a key characteristic of the integer data type?
It has no decimal points
How does the memory usage of real numbers compare to integers?
How does the memory usage of real numbers compare to integers?
Real numbers use more memory
How many possible values can a Boolean data type represent?
How many possible values can a Boolean data type represent?
Two values
How much memory does a Boolean data type use?
How much memory does a Boolean data type use?
A single bit
How much memory does a character use in ASCII?
How much memory does a character use in ASCII?
One byte
What is a string in programming?
What is a string in programming?
A sequence of characters
Which data type is appropriate for storing a count of items?
Which data type is appropriate for storing a count of items?
Integer
What happens when converting float 4.5 to an integer?
What happens when converting float 4.5 to an integer?
It becomes 4
What integer value does the Boolean True convert to?
What integer value does the Boolean True convert to?
1
Why shouldn't floating-point be used for financial calculations?
Why shouldn't floating-point be used for financial calculations?
Exact values are necessary
Is string considered a primitive data type in all languages?
Is string considered a primitive data type in all languages?
No, not in all languages
What is a typical usage of the integer data type?
What is a typical usage of the integer data type?
Indexing