Local and Global Variables Quiz

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Questions and Answers

What are local variables in C++ programming?

Local variables in C++ programming are those variables which have their own boundary and cannot be accessed outside the particular storage boundary.

What is the scope of a local variable in C++ programming?

Local variables have scope limited to the block in which they are declared. They can only be accessed within that block.

Can local variables be accessed outside the block in which they are declared?

No, local variables cannot be accessed outside the block in which they are declared. Their scope is limited to that specific block.

What are global variables in C++ programming?

<p>Global variables in C++ programming are those variables which have access throughout the program. They can be accessed from any part of the program.</p> Signup and view all the answers

What is the scope of a global variable in C++ programming?

<p>Global variables have scope throughout the program. They can be accessed from any part of the program.</p> Signup and view all the answers

Flashcards

Local Variable

A variable declared within a specific block of code, accessible only inside that block.

Scope of a Local Variable

The scope of a local variable is limited to the block where it is declared. It cannot be accessed outside that block.

Global Variable

A variable declared outside any function, accessible from any part of the program.

Scope of a Global Variable

The scope of a global variable extends to the entire program; it can be accessed from any part of the code.

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Local vs. Global

Local variables have limited scope within a specific block, while global variables are accessible throughout the program.

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What is a local variable?

A variable declared inside a specific block of code, accessible only within that block.

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Can you see me outside my block?

No. Local variables cannot be accessed outside the block where they are declared.

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What is a global variable?

A variable declared outside any function, accessible throughout the entire program.

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Where can I access a global variable?

Global variables can be accessed from any part of the program.

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What is the difference between local and global variables?

Local variables have a limited scope within their block, while global variables are accessible throughout the entire program.

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Study Notes

Local Variables in Functions

  • Local variables are those that have their own imitation and boundary.
  • They cannot be accessed outside the particular imitation storage boundary.
  • The boundary of a local variable is the block of code defined by curly brackets {}.
  • A local variable can be used multiple times inside the block.
  • Outside the block, the local variable does not exist.

Global Variables in Functions

  • Global variables can be accessed throughout the program.
  • A global variable can be declared in one part of the program and used in another part.

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