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C Language Tutorial for Beginners on Dynamic Memory Allocation Session16 Video Lecture | Basics of C Language - Fundamentals of Programming - Software Development
FAQs on C Language Tutorial for Beginners on Dynamic Memory Allocation Session16 Video Lecture - Basics of C Language - Fundamentals of Programming - Software Development
| 1. What is dynamic memory allocation in C language? |  |
Ans. Dynamic memory allocation in C language refers to the process of allocating memory at runtime, rather than at compile time. It allows programs to dynamically allocate and deallocate memory as needed, enabling efficient utilization of memory resources.
| 2. How is dynamic memory allocated in C language? | |
Ans. In C language, dynamic memory allocation can be done using the functions from the standard library such as malloc(), calloc(), and realloc(). The malloc() function is used to allocate a block of memory, calloc() is used to allocate and initialize multiple blocks of memory, and realloc() is used to resize the previously allocated memory block.
| 3. What is the advantage of dynamic memory allocation in C language? | |
Ans. Dynamic memory allocation in C language offers several advantages. It allows programs to allocate memory as needed, which can help in efficient memory utilization. It also enables the creation of data structures that can dynamically grow or shrink based on requirements. Additionally, dynamic memory allocation allows for the creation of complex data structures like linked lists, trees, and graphs.
| 4. How do you free dynamically allocated memory in C language? | |
Ans. To free dynamically allocated memory in C language, the free() function is used. It takes the pointer to the memory block as an argument and releases the memory back to the system. It is important to free dynamically allocated memory to avoid memory leaks, which can lead to excessive memory consumption and program instability.
| 5. How can memory leaks be avoided in C language? | |
Ans. Memory leaks in C language can be avoided by ensuring that all dynamically allocated memory is properly freed using the free() function when it is no longer needed. It is important to keep track of all allocated memory blocks and ensure they are freed before the program terminates. Additionally, following good programming practices such as avoiding unnecessary memory allocation and deallocation can also help prevent memory leaks. Using tools like memory leak detection tools can also aid in identifying and fixing memory leaks in C programs.
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Oct 24, 2024 Last updated |
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