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What are Functions ? Video Lecture | Mathematics (Maths) Class 11 - Commerce
FAQs on What are Functions ? Video Lecture - Mathematics (Maths) Class 11 - Commerce
| 1. What is a function in programming? |  |
A function in programming is a block of code that performs a specific task. It can be called multiple times within a program to execute the same task, allowing for code reusability and modularization.
| 2. How do functions help in organizing code? | |
Functions help in organizing code by breaking it down into smaller, manageable pieces. By dividing a program into functions, each responsible for a specific task, it becomes easier to understand, debug, and modify the code. Functions also promote code reusability, as they can be called from different parts of the program.
| 3. What are the advantages of using functions in programming? | |
There are several advantages of using functions in programming:
- Code reusability: Functions can be called multiple times, reducing the need to rewrite the same code.
- Modularity: Functions allow for the division of a complex program into smaller, more manageable modules.
- Readability: Well-defined functions enhance the readability of code by providing meaningful names and encapsulating specific tasks.
- Debugging: Functions make it easier to locate and fix errors since issues can be isolated to specific functions.
- Collaboration: Functions promote collaboration among developers as they can work on different functions independently.
| 4. Can functions return values? | |
Yes, functions can return values. When a function is called, it can perform a calculation or process and return a value back to the caller. This returned value can be used for further computations or stored in a variable.
| 5. How are functions different from variables? | |
Functions and variables are different in their purpose and behavior.
- Variables store and manipulate data values, while functions execute a specific task or set of instructions.
- Variables have a single value associated with them, whereas functions can have multiple lines of code to perform complex operations.
- Variables can be changed and updated throughout the program, while functions are typically defined once and called multiple times.
- Variables are used to store and retrieve data, while functions are used to perform actions and calculations.
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