Quiz – 1

Question 1

Time: 00:00:00
#include <stdio.h>
extern int var;
int main()
{
var = 10;
printf("%d ", var);
return 0;
}

20

20

0

0

compiler error

compiler error

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Question 2

Time: 00:00:00
char* myfunc(char *ptr)
{
ptr+=3;
return(ptr);
}

void main()
{
char *x, *y;
x = "PrepInsta";
y = myfunc(x);
printf("y=%s", y);
}
What will be printed when the sample code above is executed?

y=PrepInsta

y=PrepInsta

y=pInsta

y=pInsta

y=Insta

y=Insta

y=nsta

y=nsta

y=epInsta

y=epInsta

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Question 3

Time: 00:00:00
Which of the following function calculates the square of 'x' in C?

sqr(x)

sqr(x)

power(x, 2)

power(x, 2)

power(2, x)

power(2, x)

pow(x, 2)

pow(x, 2)

pow(2, x)

pow(2, x)

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Question 4

Time: 00:00:00
What will be printed when this program is executed?
int f(int x)
{
if(x <= 4)
return x;
return f(--x);
}
void main()
{
printf("%d ", f(7));
}

4 5 6 7

4 5 6 7

1 2 3 4

1 2 3 4

4

4

Syntax error

Syntax error

Runtime error

Runtime error

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Question 5

Time: 00:00:00
Determine output:
main()
{
int i = 5;
printf("%d%d%d%d%d", i++, i--, ++i, --i, i);
}

5454

5454

45445

45445

54554

54554

45545

45545

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Question 6

Time: 00:00:00
The default parameter passing mechanism is

 

call by value

call by value

call by reference

call by reference

call by value result

call by value result

None of these.

None of these.

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

Completed

0/0

Accuracy

0%

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