Quiz 2

Question 1

What should be the data type of fact?
void main() {
\_\_\_\_\_\_\_ fact = 1;
for (int i = 1; i <= 20; i++) { 
fact *= i;  }

a) int
b) long
c) long long
d) int*

Answer 1

c

Question 2

What is NOT true about l-value?

a) It refers to a memory location

b) It is a data value stored at some address in
the memory

c) A value can be assigned to it

d) It can appear at both the left and the right
hand side of an assignment

Answer 2

b

Question 3

Which of the following is/are compound data type(s)?

a) String
b) Array
c) Pointer
d) Short
e) B and C above
f) A, B and C above

Answer 3

f

Question 4

What is the value of x after this code is run?
int x = 10;
int * y = &x;
int z = *y;
z = 20; 
*y = 30;

a) 10
b) 20
c) 30
d) undefined

Answer 4

c

Question 5

Which of these is not a type of memory allocation in C++?

a) Static
b) Const
c) Dynamic
d) Automatic

Answer 5

b

Question 6

Which of the following assignments is valid?

a) char foo[] = “Hello”;
b) foo = “Hi!”;
c) foo[] = “Hello”;
d) foo[i] = “Hi!”;
e) A and D above

Answer 6

a