Buffering is done to___________
A) cope with device speed mismatch
B) cope with device transfer size mismatch
C) maintain copy semantics
D) all of the mentioned
Correct Answer:
Verified
Q2: What is a dedicated device?
A)opposite to a
Q3: A keyboard is an example of a
Q4: In polling_
A)busy - wait cycles wait for
Q5: A non blocking system call
A)halts the execution
Q6: An asynchronous call_
A)returns immediately, without waiting for
Q8: Caching is_ spooling.
A)same as
B)not the same as
C)all of
Q9: Caching_
A)holds a copy of the data
B)is fast
Q10: Spooling_
A)holds a copy of the data
B)is fast
Q11: The_ keeps state information about the use of
Q12: The kernel data structures include
A)process table
B)open file
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