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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 5 of 5

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Q41.
In Visual Basic, if you keep a variable undeclared, it is automatically taken as___________ data type.

a.

Int

b.

Char

c.

String

d.

Object

Discuss
Answer: (d).Object
Q42.
__________ prevents you from using undeclared variable in your code.

a.

Option Explicit On

b.

Option Implicit On

c.

Explicit Off

d.

Implicit Off

Discuss
Answer: (a).Option Explicit On
Q43.
__________ ensures every variable and named constant is declared with a data type.

a.

Option Infer Off

b.

Option Infer On

c.

Option On

d.

Option off

Discuss
Answer: (a).Option Infer Off
Q44.
__________ is used to fit the value of the data type to that of the memory location, implicitly.

a.

Implicit type conversion

b.

Explicit type conversion

c.

Convert method

d.

Conversion function

Discuss
Answer: (a).Implicit type conversion
Q45.
When a value is converted from one data type to another and can store numbers with greater precision, the value is said to be __________

a.

Imported

b.

Exported

c.

Promoted

d.

Precised

Discuss
Answer: (c).Promoted
Q46.
When a value is converted from one data type to another and can store numbers with less precision, the value is said to be __________

a.

Demoted

b.

Promoted

c.

Exported

d.

Converted

Discuss
Answer: (a).Demoted
Q47.
You can eliminate the problems of implicit type conversion, with the help of __________

a.

Option Strict On

b.

Option Strict Off

c.

Implicit Off

d.

Explicit On

Discuss
Answer: (a).Option Strict On
Q48.
Option Strict On disallows conversion of String data type to __________ implicitly.

a.

Double

b.

Object

c.

Character

d.

Array

Discuss
Answer: (a).Double
Q49.
Option Strict On disallows conversion of Double data type to __________ implicitly.

a.

Double

b.

Object

c.

Character

d.

String

Discuss
Answer: (d).String
Q50.
Instead of entering the Option statements in the Code Editor window, you also can enter in the __________

a.

Properties window

b.

Project Designer Window

c.

File Manager

d.

Project Manager

Discuss
Answer: (b).Project Designer Window
Page 5 of 5

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