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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.
State about the Logic Micro-operations These operations are performed on binary data stored in register. For a logic micro-operation each bit of a register is treated as a diff
1's complement representation of decimal number of -17 by using 8 bit representation is ? Ans. (17) 10 = (10001) 2 In 8 bit = 00010001 1's Complement = 11101110
Type libraries are files that explicitly explain some or all of the contents of components. This haves information about the methods, properties, constants, and other members expos
Q. For function F(x,y,z) = ∑m(0,1,2,6,7) using TRUTH TABLE only. 1. Find SOP expression 2. Implement this simplified expression using two level AND-to-OR gate network 3. I
Explain the term- macro? A term macro is a set of instructions, which can be executed repeatedly. It is useful for automating certain routine tasks like printing reports etc. T
documentation for dbms report
Q. Physical characteristics and access mode of disk drive? Access Time: Access time is time needed between requests made for a read or write operation until the time data are
What is a Manifest? An assembly manifest contains all the metadata required to specify the assembly's version requirements and security identity, and all metadata required to
why they are essential in a bus oriented system? Ans) In a multiplexed bus system, many devices are linked to a common bus. If 2 or more devices attempt to use the bus at the si
What are the steps followed in testing? i. Unit testing - The individual components are tested in this method of testing. ii. Module testing - Related collection of independ
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