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The free subroutine frees a block of memory lastly allocated by the malloc subroutine. Undefined results happen if the Pointer parameter is not a valid pointer. If the Pointer parameter is a null value, no action will happen. The realloc subroutine changes the size of the block of memory pointed to by the Pointer parameter to the number of bytes specified by the Size parameter and returns a new pointer to the block. The pointer specified by the Pointer parameter must have been formed with the malloc, calloc, or realloc subroutines and not been deallocated with the free or realloc subroutines. Undefined results happen if the Pointer parameter is not a valid pointer.
To calculate speed up performance various laws have been developed. These laws are discussed here. Amdahl's Law Remember, the speed up factor helps us in knowing the relat
Q. Describe Loading Disk Operating System? Different version of DOS, such as 2.0, 3.0, 3.2, 4.0, 5.0, 6.0, 6.2, 6.22, 7.0, 7.2 are present. The newer versions have additional
State about the Three-dimensional digitizers Three-dimensional digitizers use sonic or electromagnetic transmissions to record positions. One electromagnet transmission method
Binary is an alternative number system which works very good for computers. Humans have ten fingers; that's probably why we use ten digits (0, 1, 2, 3, 4, 5, 6, 7, 8, and 9) in our
Properties : 1. Monetary Value: Monetary value must be backed by also cash, bank - authorized credit cards or bank certified cashier's cheque. 2. Interoperability: E-cash
Genetic Algorithms: In such a scenario the evolutionary approach to "Artificial Intelligence" is one of the neatest ideas of all. Whether we have tried to mimic the functionin
Write a GUI/MP3 program called MP3Random that reads all MP3 les in a directory and plays them in random order. The GUI should have a little window with: 1. A button Next that s
What is socket inheritance? Explain. Socket Inheritance: In a socket inheritance a reference count mechanism is utilized. Whenever a socket is first created, the system set
What is Random access memory (RAM) This is a volatile memory (i.e. contents are lost when computer is switched off). A user can write or delete data and read the contents. Befo
Q. Program size for different Instruction Set Approaches? Assumptions: Complex Instruction is: Add C, A, B having 16 bit addresses and 8 bit data operands All opera
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