Tech+ 4.3

What is an identifier in programming?

• A type of loop

• A name given to a variable, function, or class

• A type of error

• A programming language

What is the purpose of a variable in programming?

• To store a fixed value

• To store a value with a symbolic name

• To execute a program

• To define a programming language

What is the difference between a variable and a constant?

• Variables change, constants remain the same

• Variables are faster than constants

• Constants are used for loops

• Variables are only used in arrays

How can you access the first element of an array named 'ages'?

• ages[1]

• ages[0]

• ages[first]

• ages[-1]

What is a character string in programming?

• A type of loop

• Text data type with one or more characters inside quotes

• A numeric data type

• A type of array

What is the result of the expression x × y if x=3 and y=4?

• 7

• 12

• 10

• 15

What is the role of identifiers in a script?

• To execute the script

• To store information in memory using descriptive names

• To create errors

• To define the script language

What is the purpose of using arrays in programming?

• To store a single value

• To keep track of many related variables at the same time

• To execute a program

• To define a function

What is the main advantage of using arrays?

• They are faster than variables

• They help store related information together

• They are easier to debug

• They use less memory

What is the data type used to store text in programming?

• Integer

• Character string

• Boolean

• Float