SLR1: Programming Basics (AQA A Level)

What is a data type in programming?

• A type of algorithm

• A classification of data which tells the compiler or interpreter how the programmer intends to use the data

• A type of error

• A type of function

Which of the following is an example of a Boolean data type?

• 42

• "Hello"

• True

• 3.14

What is the primary difference between an integer and a real/float data type?

• Integers can store decimal values, while real/float cannot

• Real/float can store decimal values, while integers cannot

• Both can store decimal values

• Neither can store decimal values

Which of the following is a user-defined data type?

• Integer

• String

• Class

• Boolean

What is the purpose of a variable declaration in programming?

• To execute a loop

• To define a constant value

• To allocate memory for a variable and define its data type

• To perform arithmetic operations

Which of the following is an example of a selection statement?

• for loop

• if-else statement

• while loop

• function call

What is the difference between definite and indefinite iteration?

• Definite iteration has a fixed number of repetitions, while indefinite iteration does not

• Indefinite iteration has a fixed number of repetitions, while definite iteration does not

• Both have a fixed number of repetitions

• Neither have a fixed number of repetitions

In a nested iteration structure, what is the term for the loop inside another loop?

• Outer loop

• Inner loop

• Main loop

• Sub loop

Why is it important to use meaningful identifier names in programming?

• To make the code run faster

• To reduce memory usage

• To make the code more readable and maintainable

• To increase the complexity of the code

Which of the following operations can be performed on integer data types?

• Concatenation

• Subtraction

• Logical AND

• String reversal