Interrupt polling - Study guides, Class notes & Summaries
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COS 3721theory. VERIFIED EXAM Q AND A.
- Exam (elaborations) • 20 pages • 2021
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COS 3721theory. 
VERIFIED 
EXAM Q AND 
A. 
Chapter 1 
2018 S2 A1 
What is the purpose of interrupts? How does an interrupt differ from a trap? Can traps be generated 
intentionally by a user program? If so, for what purpose? 
 An interrupt is a hardware-generated change of flow within the system. An interrupt handler is 
summoned to deal with the cause of the interrupt; control is then returned to the interrupted 
context and instruction. 
 A trap is a software-generated interrupt. An inte...
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Class notes CMPUT229:ExceptionsInterruptsPolling
- Class notes • 18 pages • 2021
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Exceptions Interrupt Polling
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