Commvault Aptitude Questions and Answers for Freshers

#include <stdio.h>

typedef int CommVault;
typedef CommVault CommVaultindia;

void main () {
CommVaultindia val= 234;
printf("%d ",  val);
}

What is output or the error in the program if the command line data is?
CornmVault India

#include

int main(int argc, char *argv[]) {
printf(" %d", printf("%s", argv[1]));
return 0;
}

What is the output of the program on a 32 bit Operating System?

#include
#include
void main () {
double val = 12.34;
double *dp = &val;
char *cp;
cp = (char*)malloc(sizeof(char) * 20);
sprintf (cp, "hello world");
printf("%d %d %d", sizeof(cp), sizeof(dp), sizeof(val));
}

Match the following?

i) Software Interrupt mechanism (l)Deadlock
ii) Passing data from one process to another process (2)Signals
iii) A situation wherein two or more competing actions (3)Preemptive multitasking
are waiting for the other to finish, and thus
neither ever does
iv) Allows the computer system to more reliably guarantee each process a regular slice of operating time (4)Pipe

#include<stdio.h>
int main () {
int  ( *Commprintf) (const char*, ... ) = printf;
Commprintf (  "Hello World");
return 0;
}

What is output or the error in the program?

#include

void main () {
const char* cptr = "Hello";
printf ("%c", (*++cptr)++);
}

#include <stdio.h>
void main () {
struct {
float c ,
union p { 
char c; 
char *cp; 
short s;

} uvar[5);

} svar [6];

printf("%d %d", &svar[2], &svar[5]);

}

#include <iostream>
using namespace std;

void fun(int a, int b, int &c,int &d)
{
c += a + b;
d += a - b;
}
 
int main () {
int vl =  5,  v2 =  10, v3 = 2, v4 = 3; 
fun(vl,  v2, v3, v4); 
cout << v3 << "  "<< v4 ;
return 0;
}

#include <iostream>
using namespace std;
 
class test { 
float x,  y; 
public:
test(float a = 1.0,  float b = 2.0)
{
x = a;
y = b;
}

test operator + (test & obj) {
return test(this->x + obj.x,  y + obj.y);
}

operator float () {
return  (x + y) ;
}
};

int main () {
test obj1(1.23, 4.56), obj2;
obj2  = obj1 + obj2;
cout << obj2;
return 0;
}

What is the signature of the assignment operator in C++, if chain of assignments need to be performed for an object of class test?