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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.
The octal equivalent of (247) 10 is ? Ans. (247) 10 = (367) 8
Cache Misses Compulsory misses - it is caused by initial access to a block that has never been in the cache (also called cold start misses Capacity miss - it is cause
1. Introduction to Software Metrics in Software Engineering.? 2. Role of direct and indirect measures in software process management? 3. Stance taken and justification? 4. Conclusi
Explain Bottom up parsing. Bottom up parsing: This parse attempts to increase syntax tree for an input string by a sequence of reduction. If the input string can be decreas
Explain in brief about Compact disks (CD) These are an optical storage media that have basically taken over from floppy disk. Software is now generally supplied on a CD (in for
Which device changes from serial data to parallel data ? Ans. Demultiplexer is the device that changes from serial data to parallel data. Demultiplexer takes data in from on
Shared Memory System / Tightly Coupled System Shared memory multiprocessors have the subsequent features: For real-time high-speed processing these systems are preferabl
A string S is said to be "Super ASCII", if it contains the character frequency equal to their ascii values. String will contain only lower case alphabets (''a''-''z'') and the asci
Performance Equation of computer system: Following equation is frequently used for expressing a computer's performance ability: The CISC approach tries to minimize the
In primary storage device the storage capacity is fixed. It has a volatile memory. In secondary storage device the storage capacity is not limited. It is a nonvolatile memory. Prim
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