Accenture Procedures,Functions and Scope Quiz-1

Question 1

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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Question 2

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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PrepInsta User

In printf(), the increment operator are performed from right to left and printed from left to right. firstly,i=5, then i =5;--i=4;++i=5;i--=5 but i value is 4 because of post decrement; i++ = 4 but i value is 5 because of post increment. then print in manner left to right. so, 45545

Question 3

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 4

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 5

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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PrepInsta User

as ptr is pointing to the first location of string \"PrepInsta\" , when ptr incremented by 3 then it shifts to the position p and prints Insta

Question 6

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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["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"]

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