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Welcome to the Variables and Constants MCQs Page

Dive deep into the fascinating world of Variables and Constants with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Variables and Constants, a crucial aspect of Visual Basic. In this section, you will encounter a diverse range of MCQs that cover various aspects of Variables and Constants, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within Visual Basic.

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Check out the MCQs below to embark on an enriching journey through Variables and Constants. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of Visual Basic.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Variables and Constants. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Variables and Constants MCQs | Page 4 of 5

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Q31.
__________ is a variable that remains in memory, and retains its value even after the procedure declaring it ends.

a.

Procedure-level variable

b.

Class-level variable

c.

Static variable

d.

Dynamic variable

Discuss
Answer: (c).Static variable
Q32.
Static variable can only be used in the __________ in which it is declared.

a.

Class

b.

Any procedures in the form

c.

Any form

d.

Only the Procedure it is declared in

Discuss
Answer: (d).Only the Procedure it is declared in
Q33.
A __________ cannot change its value while the application is running.

a.

Constant variable

b.

Class variable

c.

Named constant

d.

Static constant

Discuss
Answer: (c).Named constant
Q34.
Named constants are used because __________

a.

Because they take up less space in memory

b.

Because they make documentation and code modification easier

c.

Because they can be easily accessed by procedures

d.

Because they are easily declared

Discuss
Answer: (b).Because they make documentation and code modification easier
Q35.
What is wrong with the expression “const dblPi As Double = 3.141593”?

a.

Double is written

b.

Name should be DBLPi

c.

“const” starts with a “C”

d.

Value is too large

Discuss
Answer: (c).“const” starts with a “C”
Q36.
What is wrong with the expression “static dblPi AsDouble ”?

a.

Double is written

b.

Nothing is wrong

c.

“Static” starts with a “S”

d.

Value is not given

Discuss
Answer: (c).“Static” starts with a “S”
Q37.
What happens when a procedure containing the following statements ends? 
Dim decSales As Decimal=12.2
Static decTotal As Decimal=13.5

a.

Both values lose their values

b.

Dim variable loses its value

c.

Static variable loses its value

d.

Both variables retain their values

Discuss
Answer: (b).Dim variable loses its value
Q38.
Using a named constant is advantageous because to change a value in future, change __________

a.

The value in the Const statement

b.

The value of the variable wherever it appears in the program

c.

The value of the variable anywhere in the program

d.

The value of the variable in one of the procedures in the program

Discuss
Answer: (a).The value in the Const statement
Q39.
Unintentional errors in application by declaring variables can be reduced by __________

a.

Giving them Small names

b.

Declaring them with a small sized data type

c.

Giving them minimum scope possible

d.

Making them class variables

Discuss
Answer: (c).Giving them minimum scope possible
Q40.
To declare a class-level named constant you declare it as __________

a.

Public

b.

Dynamic

c.

Private

d.

Static

Discuss
Answer: (c).Private
Page 4 of 5

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