Computer Grade 10 FTQuiz 1 - Visual Basic 2019 Quiz

What is a data type?

• A way to store data permanently

• Defines what kind of data a variable can store

• A method for sorting data

• A type of variable that cannot change

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

• Dim age As Integer = 21

• Dim pi As Double = 3.14

• Dim name As String = 'Anna'

• Dim price As Decimal = 9.99

What must you do before using a variable?

• Assign it a value

• Declare it

• Delete it

• Change its data type

Which of the following is NOT a valid rule for naming variables?

• First character must be a letter or underscore

• Cannot be a VB language keyword

• Can contain spaces

• Must contain only letters, numbers, and underscores

What is the purpose of using 'Const' in Visual Basic?

• To declare multiple variables at once

• To declare a variable with no data type

• To declare a variable that can change

• To declare a variable whose value cannot change

If you declare a variable as 'Dim age As Integer', what type of data can it store?

• Date and time

• Text

• Whole numbers

• Decimal numbers

What does the 'Dim' keyword do in Visual Basic?

• It infers the data type

• It declares a variable

• It deletes a variable

• It assigns a value to a variable

Which of the following is an example of a declaration with a value?

• Dim anything As Object

• Dim name As String = 'John'

• Dim x, y, z As Integer

• Dim score As Integer

What is the maximum number of characters allowed in a variable name?

• 500

• 255

• 100

• 50

Which of the following is a correct variable name?

• Grade10

• 10Grade

• Grade 10

• Dim