Q16. Which of the following statement about ‘static variables’ is false ?

a) Static variables are permanent variables within their own function or file.

b) Static local variables are not known outside the function or file.

c) Static variables maintain their values during function calls.

d) Static variables and global variables are same. 

Show Answer

(d)

 

Q17. Which operator is used to return the length of the variables in bytes ?

a) size()

b) length()

c) leng()

d) sizeof()

Show Answer

(d)

 

Q18. The format identifier ‘%i’ is also used for :

a) char

b) int

c) float

d) double

Show Answer

(b)

Q19. Which data type is best for storing a number 65000 in a 32-bit system ?

a) int

b) long

c) signed short

d) unsigned short

Show Answer

(d)

Q20.  Which header file can be used to define i/o function prototypes and macros?

a) stdio.h

b) conio.h

c) stdlib.h

d) alloc,h

Show Answer

(a)