Signal and Battery

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These flashcards cover key concepts regarding interrupts and signals as discussed in the lecture.

Last updated 11:59 PM on 2/21/26
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8 Terms

1
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Interrupt

An event that is external to the CPU, which interrupts the normal execution of operations.

2
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Signal

An event generated from within the CPU, such as a warning about a battery running low.

3
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Analogies in Context

Comparing interrupts to a snowstorm warning and signals to a battery low warning.

4
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Signal Handler

A mechanism that defines how to handle different types of events like interrupts and signals.

5
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Expected vs Unexpected Events

Events can be categorized based on regularity; expected events happen frequently, while unexpected events do not.

6
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Masking

The ability to ignore interrupts and signals by masking them.

7
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Synchronous Events

Events that occur at the same time as the main processing.

8
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Asynchronous Events

Events that occur independently of the main processing flow.