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Why pointer variable sometimes desirable to pass a pointer to a function as an argument?
Frequently, a called function needs to make changes to objects declared in the calling function. For example, the function, scan(), needs to access objects in the calling function to store the data read and converted into an object defined there. Therefore, we supply scan() with the address of objects rather than their values.
Another common use of pointers is to write functions that ''return'' more than one value. As we have seen, every function in C returns a value as the value of the function; however, if a function's meaning includes the return of several pieces of information, this single return value is not sufficient. In these cases, we can have the function return multiple data values indirectly, using pointers.
Processor-Memory Interconnection Network (PMIN) This is a switch that joined various processors to different memory modules. Connecting every processor to each memory module in
The maximum number of dimensions an array can have in C is C permits arrays of three or more dimensions. The exact limit is examined by the compiler.
OLAP can process difficult queries and give the output in less than 0.1 seconds, for it to achieve like performance OLAP uses aggregations. Aggregations are built by aggregating an
Prove the equations A + A‾ .B + A.B‾ = A + B using the Boolean algebraic theorems ? Ans. The equation is A + A‾.B + A.B‾ = A + B L.H.S. = A + A‾ .B + A.B‾ = (A + A.B‾) + A‾.B
Write a program to mask bits D3D2D1D0 and to set bits D5D4 and to invert bits D7D6 of the AX register.
State the data flow diagramming conpects The approach to data flow diagramming is as follows: Create a data flow diagram for each of major outputs of system Work ba
Define the translator which perform macro expansion is known as a Macro pre-processor is the translator which perform macro expansion
Specify the goals of parsing. Goals: a. To check the validity of source string b. To agree on the syntactic structure of a source string. For invalid string this rep
Draw the logic diagram of 4-bit Twisted Ring counters and explain its operation with the help of timing diagram. Ans: Twisted ring counter (4 BIT): We ready know that shi
Web authoring tools CGI was considered excellent in the beginning since it was also open standard. The only drawback it suffered was that it was slow. Major software developers v
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