1. Buffering is done to :
Correct Answer is : all of the mentioned
2. Caching is ________ spooling.
Correct Answer is : not the same as
3. Caching :
Correct Answer is : holds a copy of the data
4. Spooling :
Correct Answer is : holds the only copy of the data
5. The ________ keeps state information about the use of I/O components.
Correct Answer is : kernel