Various I/O devices are commonly connected to the bus by using _________.
A) tri- state circuits
B) inverters
C) buffers
D) clampers
Correct Answer:
Verified
Q108: Polling_.
A) requires the processor to periodically check
Q109: What is polled I/O and what is
Q110: What is interrupt- driven I/O and what
Q111: DMA stands for _.
A) direct memory access,
Q112: Direct memory access is_.
A) faster than ordinary
Q114: Multitasking differs from multiprocessing in that _.
A)
Q115: The difference between preemptive and non- preemptive
Q116: Multiprocess or multiuser systems run in supervisor
Q117: A memory management unit performs all of
Q118: System services _.
A) does not require hardware
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