A block device transfers___________
A) bytes one by one
B) block of bytes as a unit
C) with unpredictable response times
D) none 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
Q7: Buffering is done to_
A)cope with device speed
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
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