Short Answer A __________(Program Counter) register specifies the address in mem
ID: 3813336 • Letter: S
Question
Short Answer
A __________(Program Counter) register specifies the address in memory for the next read or write.
A _________ register contains the data to be written into memory or receives the data read from memory.
The most common classes of interrupts are: program, timer, I/O and ________.
A(n) _________ interrupt is generated by a timer within the processor and allows the operating system to perform certain functions on a regular basis.
A(n) ________ interrupt is generated by an I/O controller to signal normal completion of an operation, request service from the processor, or to signal a variety of error conditions.
Explanation / Answer
A __________(Program Counter) register specifies the address in memory for the next read or write.
Answer: memory address (MAR)
A _________ register contains the data to be written into memory or receives the data read from memory.
Answer: memory buffer (MBR)
The most common classes of interrupts are: program, timer, I/O and
Answer: Hardware failure
A(n) _________ interrupt is generated by a timer within the processor and allows the operating system to perform certain functions on a regular basis.
Answer: Timer
A(n) __I/O______ interrupt is generated by an I/O controller to signal normal completion of an operation, request service from the processor, or to signal a variety of error conditions.
Answer: I/O
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