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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
Give LOAD-STORE optimization based on expression trees for the expression (A+B)/(C-D). LOAD-STORE optimization based on expression trees for the expression (A+B)/(C-D) is given
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Electric typewriter : Electric typewriters are similar to standard typewriters but with an electronic motor taking the place of human energy. It is much faster than the standard m
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Q. Analysts in various functional areas? Today systems analyst's job presents a exciting and fascinating challenge. It provides high management visibility and opportunities for
When an input signal A=11001 is applied to a NOT gate serially, its output signal is ? Ans. First input applied will be LSB 00110, as A=11001 is serially applied to a NOT gate
Bitwise Left Shift and Right Shift Operators: > shift-expression : additive-expression shift-expression > additive-expression The bitwise shift operators shift their
Explain about the Voice recognition system These voice recognition systems recognise spoken words e.g. for disabled people who can't use keyboards where they speak commands rat
First-Order Inference Rules: Here now we have a clear definition of a first-order model is that we can define soundness for first-order inference rules in the same way such we
Explain the necessary conditions for deadlock to occur. Conditions for deadlock to arise are: i. Mutual exclusion: At least one resource must be held in a non-sharable mo
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