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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.
Instruction Stream and Data Stream The term 'stream' indicates to a series or flow of either instructions or data operated on by computer. In the entire cycle of instruction ex
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A series of keystrokes and mouse clicks that can be abbreviated into a one keystroke or mouse click.
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Error detecting method that can detect more errors without increasing additional information in each packet is? Error detecting method which can detect more errors without rais
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