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The various memory allocation functions are described below:
(i) malloc( ): It is a memory allocation function that assigns requested size of bytes and returns a pointer to the first byte of the allocated space. The malloc function returns a pointer of type void so we can allocate it to any type of pointer.
(ii) calloc( ): It is another memory allocation function that assigns space for an array of elements, initializes them to zero and then returns a pointer to the memory. This function is normally used for request memory space at run time. Whereas malloc allocates a single block of storage space, calloc allocates multiple block of storage, each of the similar size, and then sets all bytes to zero
(iii) realloc( ): realloc is a memory allocation function that changes the size of previously allocated space. Sometime it may happen that the allocated memory space is larger than what is needed or it is less than what is needed. In both cases, we can change the memory size already allocated with the help of the realloc function called as reallocation of memory
Classification of interrupts: 1. a) asynchronous external components or hardware malfunction 1.b)synchronous function of program state (for example over
Const and volatile keywords should not be used together due to both are opposite in nature. A variable is declared as "const" means its value is not able to be altered but if i
Rigging is use for if we need to give animation for any object or character then we apply to character or object internal bone setting(like our bones).that is known as rigging. Whe
Why a linked list is called a dynamic data structure? What are the advantages of using linked list over arrays? A linked list is known as a dynamic data structure because it
The desired daily output for an assembly line is 360 units. This assembly line will operate 450 minutes per day. The following table have information on this product's task times a
What is page frame? An area in the main memory that can hold single page is called as page frame.
Which is not a valid page replacement policy? Ans. RU policy (Recurrently used) is not a valid page replacement policy.
Q. Which things should microprocessor validate? A microprocessor should validate: Powerful addressing modes More addressing capability More throughput Po
Automatic correlation from web point of sight can be set in recording options and correlation tab. Here we can enable correlation for the whole script and choose either issue onlin
How read and write is performed using sockets? An application program interface gives the details of how can an application program interacts along with protocol software. But
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