Operating System — Test 6
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Question 1
A ________ is a collection of electronics that can operate a port, a bus, or a device.
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Question 2
An I/O port typically consists of four registers status, control, ________ and ________ registers.
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Question 3
The ______ register is read by the host to get input.
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Question 4
The ______ register is written by the host to send output.
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Question 5
The hardware mechanism that allows a device to notify the CPU is called _______
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Question 6
The CPU hardware has a wire called __________ that the CPU senses after executing every instruction.
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Question 7
The _________ determines the cause of the interrupt, performs the necessary processing and executes a return from the interrupt instruction to return the CPU to the execution state prior to the interrupt.
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Question 8
In general the two interrupt request lines are ____________
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Question 9
The _________ are reserved for events such as unrecoverable memory errors.
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Question 10
In rate monotonic scheduling ____________
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