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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
Explain the Race Around Condition? Consider the inputs of the JK flipflop j=1 and k=1 and Q=0 when a clock pulse of width tp is applied the output will change from 0 to 1 after
chemistry behind them in brief
A vertical flashing line that permits the user where text will be inserted.
Explain the principle of duality with examples.
Why is the data bus in most microprocessors bidirectional while the address bus is unidirectional? Data Bus: These lines are used to send data to memory by output ports and
Q. Explain Status and Control Registers? For control of numerous operations several registers are used. These registers can't be used in data manipulation though content of som
According to the report, network 1 and network 2 are not able to reach network 3. As shown on OTBNetwork Topology above, OTB Inc. has 2 routing protocols running due transition iss
Q. Explain about Local Area Network? Local Area Network (LAN): It is privately owned communication systems that cover up a small area, say a complex of buildings or school. Le
Q. Illustrate Arithmetic shifts with example? Arithmetic shifts ARITHMETIC SHIFT LEFT and ARITHMETIC SHIFT RIGHT are same as LOGICAL SHIFT LEFT and LOGICAL SHIFT RIGHTexcept th
What is elapsed time of computer system? The total time to implement the total program is known as elapsed time. It is affected by the speed of the processor, the disk and the
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