GCSE Computer Science Paper 2: Topic 2.1

What data type is used to represent fractional numbers in programming?

• String

• Integer

• Boolean

• Float

What operator is used to perform exponentiation in programming?

• +

• **

• ^

• *

What is the result of '15 div 2' in integer division?

• 7

• 8

• 7.5

• 15

What does the modulus operator (%) compute?

• Remainder

• Sum

• Product

• Quotient

Which operation would you use to concatenate two strings?

• Subtraction

• Concatenation

• Multiplication

• Addition

What keyword is used to declare a constant in programming?

• var

• const

• let

• static

What is the purpose of an 'if' statement in programming?

• Define a function

• Declare a variable

• Repeat a block of code

• Make a decision

In a switch statement, what is the 'default' case used for?

• To handle unexpected values

• To declare variables

• To start a loop

• To define a function

Which loop will always execute at least once regardless of the condition at the start?

• If loop

• Do-while loop

• While loop

• For loop

Which type of loop is controlled by a condition rather than a count?

• For loop

• While loop

• All of the above

• Do-while loop