variables pleanary

What does a variable mean?

  

  

  

• a) A constant value in a program

• b) A container for storing data with a specific name

• c) A type of loop in programming

• d) A function to print output

Which of the following best defines a variable in programming?

  

  

  

  

• a) A mathematical equation

• b) A storage location identified by a memory address and an associated symbolic name

• c) A loop structure

• d) A conditional statement

What is the significance of using variables in our program?

  

  

  

• a) Variables make the code longer and more complex

• b) Variables allow us to store and manipulate data in a flexible manner

• c) Variables are only necessary for advanced programming tasks

• d) Variables are not essential in programming

How does using variables enhance program readability and maintenance?

  

  

  

  

• a) It doesn't affect readability

• b) By providing meaningful names to data, making the code more understandable

• c) It makes the code more confusing

• d) By removing all variables from the code

What is the role of the datatype of a variable?

  

  

  

  

• a) It specifies the memory address of the variable

• b) It determines the size of the variable

• c) It defines the type of data a variable can hold

• d) It is not necessary to specify a datatype for a variable

Why is it important to choose the correct datatype for a variable?

  

  

  

  

• a) It doesn't affect the program

• b) It can affect the efficiency of the program and the amount of memory it uses

• c) Choosing the datatype has no impact on program execution

• d) All datatypes are interchangeable