TCS NQT Input/Output Quiz- 7

Question 1

Time: 00:00:00
What will be the output of the following program?

#include 
int a=10;
int main ()
{
int a = 20;
cout <<::a;
return 0;
}

10

10

20

20

::10

::10

::20

::20

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Question 2

Time: 00:00:00
What will be the output of following programs?



#include >iostream>
using namespace std;
int main()
{
cout <<P"includehelp.com";
return 0;
}

Compile Time Error

Compile Time Error

Run Time Error

Run Time Error

includehelp.com

includehelp.com

None of these.

None of these.

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Question 3

Time: 00:00:00
Which header file is required to use setw() function?

conio.h

conio.h

iostream.h

iostream.h

stdlib.h

stdlib.h

iomanip.h

iomanip.h

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Question 4

Time: 00:00:00
Which is the correct answer regarding '\n' and endl?

Both are same.

Both are same.

'\n' and endl both are used to print new line but endl flushes the buffer after printing new line.

'\n' and endl both are used to print new line but endl flushes the buffer after printing new line.

'\n' and endl both are used to print new line but '\n' flushes the buffer after printing new line.

'\n' and endl both are used to print new line but '\n' flushes the buffer after printing new line.

'\n' used in C programming while endl used in C++ programming.

'\n' used in C programming while endl used in C++ programming.

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Question 5

Time: 00:00:00
To print out a and b given below, which of the following printf() statement will you use?
#include
float a=3.14;
double b=3.14;

printf("%f %lf", a, b);

printf("%f %lf", a, b);

printf("%Lf %f", a, b);

printf("%Lf %f", a, b);

printf("%Lf %Lf", a, b);

printf("%Lf %Lf", a, b);

printf("%f %Lf", a, b);

printf("%f %Lf", a, b);

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Question 6

Time: 00:00:00
Will the following program work.


#include<stdio.h>
int main()
{
int n=5;
printf("n=%*d\n", n, n);
return 0;
}

Yes

Yes

No

No

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Question 7

Time: 00:00:00
What will be the output of this code?
#include <iostream>
using namespace std;
int main()
{
int a=-5;
int k=(a++,++a);
printf("%d\n",k);
return 0;
}

-3

-3

5

5

-6

-6

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Question 8

Time: 00:00:00
What will be the output of the following code
#include <iostream>
using namespace std;
int main()
{
if(7&8)
printf("Honesty");
if((~7 & 0x000f)==8)
printf("is the best policy\n");
}

Honesty

Honesty

No output

No output

is the best policy

is the best policy

error

error

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Question 9

Time: 00:00:00
What will be the output of the following code?

#include <iostream>
using namespace std;
int main()
{
int b=5&4&6;
printf("%d",b);
}

4

4

2

2

3

3

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Question 10

Time: 00:00:00
What will be the output of the following code

char * getString () 
{
char *str = "Nice test for strings";
return str;
}
int main ()
{
printf ("%s", getString ());
getchar ();
return 0;
}

Nice test for strings

Nice test for strings

for strings

for strings

No output

No output

Error

Error

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["0","40","60","80","100"]
["Need more practice!","Keep trying!","Not bad!","Good work!","Perfect!"]

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