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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
Define the Architectural framework for electronic commerce. An application independent framework to categorize service interaction relies onto four fundamental dimensions a.
? Actor: Actor shows an external user / end user who interact with the system. ? Object: Object is shown by one of components of the system. ? Unit: A unit is a subsystem, o
What is a Decoder ? Ans. Decoder: - This decodes the information. The decoders contain n inputs 7 at the end maximum 2 n outputs since n bit no can decode max 2n infor
Simplified the Boolean Algebra (x + y)(x + z) simplifies to ? Ans. x + yz as simplified the Boolean Algebra expression. [(x + y) (x + z)] = xx + xz + xy + yz = x + xz + xy + y
1. Click Tools > General Options, and then click the Object Mapping tab. 2. From the Object type list, select the standard object type that is associated with the object class
A 5-bit DAC produces an output voltage of 0.2V for a digital input of 00001. Find the value of the output voltage for an input of 11111. What is the resolution of this DAC? Ans
Exponential Search Another alternative to variable size decrease-and-conquer search is known as exponential search. This algorithm begins searching at the beginning of the list
Your professor wants you to fill a two-dimensional N by N matrix with some numbers by following a specific pattern. According to his explanation as in the figure below, you have to
(a) Describe fully in your own words the following terms: (i) Turing Test (ii) Agent (iii) Utility-based agent (b) A Mars rover has to leave the lander, collect rock sample
(a) Write short notes on displacement only addressing mode. (b) Explain the formats of a 80-bit floating point number. (c) Given the following assembly program. Instructi
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