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Questions and Answers
What is the primary purpose of a function in programming?
What is the primary purpose of a function in programming?
- To store data permanently
- To perform a specific task and return a result (correct)
- To increase the execution speed of the program
- To change the global state of the program
Which of the following best describes a function with no return value?
Which of the following best describes a function with no return value?
- It performs asynchronous operations
- It is an event-driven function
- It is a recursive function
- It is a void function (correct)
What is a common benefit of using functions in code?
What is a common benefit of using functions in code?
- Functions remove the need for variables
- Functions centralize logic for easier maintenance (correct)
- Functions increase the amount of code required
- Functions eliminate the need for comments
Which statement about function parameters is true?
Which statement about function parameters is true?
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What is the scope of variables defined inside a function?
What is the scope of variables defined inside a function?
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Study Notes
Function Purpose
- Functions are designed to perform specific tasks within a program.
- They organize code, making it easier to read, maintain, and reuse.
Functions with No Return Value
- Functions without a return value are often used to perform actions that modify the program's state, such as updating variables or printing output.
Benefits of Using Functions
- Functions promote code reusability, allowing you to call the same code block repeatedly without rewriting it.
- They improve code organization and readability, breaking down complex tasks into smaller, manageable units.
Function Parameters
- Function parameters are variables that act as inputs to a function, providing data that the function operates on during execution.
Scope of Variables Inside a Function
- Variables declared inside a function are considered local variables and their scope is limited to the function's execution block.
- This means that variables within a function are inaccessible from outside the function's scope.
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