Java Quizzes Java Language Input Output

Question:
What is a buffer?

Option A):
The cable that connects a data source to the bus.
Option B):
A section of memory used as a staging area for input or output data.
Option C):
A file that contains binary data.
Option D):
Any stream that deals with character IO.

Correct Answer is Option B):
A section of memory used as a staging area for input or output data.