Quiz 1

Question 1

Time: 00:00:00
What is the correct way for declaring an integer pointer variable?

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 is 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

What will be the output of the following code?


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 cannot be modifiable?

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
Which of the following is known as an address operator?

&

&

*

*

.

.

#

#

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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
++*p is similar to ______

p = p+1

p = p+1

*p = *p

*p = *p

*p = *p +1

*p = *p +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:


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?

&

&

#

#

*

*

.

.

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["0","40","60","80","100"]
["Need more practice!","Keep trying!","Not bad!","Good work!","Perfect!"]
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September 9, 2021