Multiple Choice
Which of the following is FALSE about streams?
A) A stream is a full-duplex connection between a device driver and a user-level process.
B) Each stream module contains a pair of queues.
C) The number of modules in a stream is fixed by the operating system.
D) Messages may be dropped in a stream even if flow control is implemented.
Correct Answer:
Verified
Correct Answer:
Verified
Q2: In DMA-based I/O,<br>A) CPU is relieved from
Q3: Which of the following principles is used
Q4: Buffering in I/O is used to<br>A) cope
Q5: An I/O system call returns a one-bit
Q6: In a blocking system call, the execution
Q7: Explain the concept of a bus and
Q8: Which of the following is TRUE about
Q9: What is the purpose of a UNIX
Q10: Which of the following is NOT a
Q11: A control register in an I/O device