Variable Types, Functions Review

A variable is a named value that can be changed in the program.

• False

• True

What is a String?

• A data type that contains whole numbers. eg: 3, 45, 124

• Numbers with decimal point. eg: 0.5, 2.45, 56.04

• Group of characters between quotation marks. eg: "dog"

• Data type that can only be True or False.

Which value is a String?

• 64

• "cat"

• True

• 0.5

What is an Integer?

• A data type that contains whole numbers. eg: 3, 45, 124

• Numbers with decimal point. eg: 0.5, 2.45, 56.04

• Group of characters between quotation marks. eg: "dog"

• Data type that can only be True or False.

What is a Float?

• A data type that contains whole numbers. eg: 3, 45, 124

• Numbers with decimal point. eg: 0.5, 2.45, 56.04

• Group of characters between quotation marks. eg: "dog"

• Data type that can only be True or False.

Which of the following need to be stored as int data type

• Number of months in a year

• Resident of Delhi or not

• Mobile number

• Pocket money

• Volume of a sphere

Which of the following need to be stored as float data type

• Perimeter of a square

• Resident of Delhi or not

• Name of the student

• Pocket money

• Volume of a sphere

Which of the following need to be stored as string data type

• Perimeter of a square

• Resident of Delhi or not

• Name of the student

• Address of the student

What will be the data type of num1 if the following code is executed?

num1=float(5)

• string

• int

• float

• number

What will be the data type of num1 if the following code is executed?

num1=int('3.14')

• string

• int

• float

• number