Computer Science - Object Oriented Programming Using C++

46.
Assume that a variable will need to store only integers in the range of 1 through 20000. The most efficient data type for the variable is _____
character
float
integer
long integer
short integer
Answer: Option
Explanation:
No answer description is available. Let's discuss.

47.
Which of the following is true?
iostream is derived from istream
iostream is derived from ostream
ostream is derived from iostream
ostream is derived from istream
Answer: Option
Explanation:
No answer description is available. Let's discuss.