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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
A program in execution is called? Ans. When a program in execution is known as Process.
Von Neumann architecture was first majoranticipated structure for general-purpose computer. However before consideringmain components of von Neumann architecture let us first elabo
Spirit Duplicating Equipment Required Spirit Duplicator (also known as hectograph) Thermal copier (optional) Materials Masters Hectographic carbon COPY pa
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Which transmission mode is used for data communication along telephone lines? Serial transmission mode is utilized for data communication along telephone lines.
Explain differences between folded and non-folded network. Folded network: While all the inlets/outlets are connected to the subscriber lines, the logical connection shows as
CIH, also known as Chernobyl or Spacefiller, is a Microsoft Windows computer virus which first emerged in 1998. It is one of the most damaging viruses, overwriting critical inform
Q. MICRO-PROGRAMMED CONTROL? A substitute to a hardwired control unit is a micro-programmed control unit in which logic of the control unit is specified by a micro-program. A m
For JK flip flop with J=1, K=0, the output after clock pulse will be ? Ans. The output will be 1 after clock pulse.
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