Blog: CS201 VU Midterm Current Papers Fall 2011 of Virtual university of paksitan (www.vusolutions.com)

 VU Midterm Current Papers Fall 2011 of Virtual university of paksitan (www.vusolutions.com)

Q1- Determine the value of m and n after the execution of code given below.

int m = 44;

int* p = &m;

int& r = m;

int n = (*p)++;

int* q = p - 1;

++*q; 

Assume that integers occupy 4 bytes and that m is stored in memory. (5 MARKS)

Q2- Write a program which defines two strings "Hello" and "Pakistan", merges both the strings using string manipulation function and displays on the screen. (5)

Q3- How the function strcpy() is different from the function strncpy() in terms of their working?

Q4- Determine the output of the given code segment. 

#include <iostream.h> 

main()

{

char *name[] = {"Ali", "Ahmad", "Riaz"};

int x;

int y; 

x = sizeof(name);

y = sizeof(*name);

cout<<x<<endl<<y; 

return 0;

}

Q5- We know that random method for accessing the files increases the performance but there are certain constrainsts on it. Mention those constraints

Q6- Write the code to access the element at third row and second column of a 2D array uses pointer named arrayptr.