Zoho Pointers Quiz 1

Question 1

Time: 00:00:00

How do you declare an integer pointer variable correctly? 

int *ptr

int *ptr

int ptr

int ptr

int ptr*

int ptr*

int &ptr

int &ptr

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Question 2

Time: 00:00:00
What do you mean by a pointer?

Pointer is a keyword

Pointer is a keyword

Pointer is a variable that store address of the instruction

Pointer is a variable that store address of the instruction

Pointer is a variable that store the address of another variable

Pointer is a variable that store the address of another variable

All of the mentioned

All of the mentioned

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Question 3

Time: 00:00:00
Guess the output-


#include<stdio.h>int main(){
int x, *y;
y=&x;
x=10;
cout<<++(*y);
}

10

10

11

11

Compile time error

Compile time error

Run time error

Run time error

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Question 4

Time: 00:00:00
Whose pointer value is unchangeable?

NULL Pointer

NULL Pointer

Integer Pointer

Integer Pointer

Constant Pointer

Constant Pointer

Both a and c

Both a and c

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Question 5

Time: 00:00:00
An address operator is defined as which of the following?

&(ampersand)

&(ampersand)

*(asterik)

*(asterik)

.(dot)

.(dot)

#(hash)

#(hash)

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Question 6

Time: 00:00:00
What happen after the execution of the given line:

 *p++

Increment the value pointed by p

Increment the value pointed by p

Increment the pointer 

Increment the pointer 

Both a and b

Both a and b

None of these

None of these

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Question 7

Time: 00:00:00
 ++*x is similar to ______

x = x+1

x = x+1

*x = *x

*x = *x

*x = *x +1

*x = *x +1

Both a and c

Both a and c

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Question 8

Time: 00:00:00
Which of the following represents the valid NULL pointer?

void*

void*

*void

*void

Both a and b

Both a and b

None of the mentioned

None of the mentioned

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Question 9

Time: 00:00:00
Guess the output:


#include<stdio.h>void fun(int *p, int m){
m += 5;
*p += m;
}
int main(){
int i=5, j=10;
fun(&i, j);
cout<<i+j;
return 0;
}

10

10

20

20

30

30

40

40

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Question 10

Time: 00:00:00
Which of the following is an indirection operator?

&(ampersand)

&(ampersand)

#(hash)

#(hash)

*(asterik)

*(asterik)

.(dot)

.(dot)

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["0","40","60","80","100"]
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