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Question :
(a) Define a Pointer. Provide an example of an integer pointer variable.
(b) Give advantages of using pointers over arrays.
(c) Declare an integer pointer variable called ‘array_ptr'. Now prepare the code fragment to read in ten integer values from a user. Here the value entered by the user must be stored in an array of pointers.
(d) Declare an integer array called ‘arrayInt'. Now prepare the code fragment to read in ten integer values from a user. Here all the values are stored in the integer array.
(e) (i) What is the purpose of the buffer area when working with a stream oriented data file?
(ii) How is a buffer area defined?
(f) Prepare a code fragment to open a data file called "inputfile.txt" in read only mode and that also checks whether the file is correctly opened or not.
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A body which has three forces acting on it is in equilibrium. One force is 3N to the North and the other is 4N to the west. What us the magnitude and direction of the third force?
Inheritance is the process of forming new classes, called derived classes, from existing classes or base classes. The derived class inherits all the capabilities of the base class,
A: A using declaration makes it possible to employ a name from a namespace without the scope operator.
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Within C we access external devices by means of a pointer i.e. address. The address could point to any memory mapped device i.e. Ram, Rom, Duart, Disk drives etc. Therefore there i
Ask question #Mi fd d fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
Rewrite the recursive bisection root finding function from lecture to be iterative (using a while loop). The function declaration should be root = bisectIter(f,a,b,tol). The input
Run the following C++ program with and without preprocessor variable POSTFIX defined. #include using namespace std; extern "C" int atoi( const char *str );
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