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Test your knowledge 4
This is an ungraded check of your knowledge (i.e. I do not look at these results in any way shape or form--nor do they effect your grade).
They are designed so you can have some feedback on the assigned readings/videos/notes to see if you picked up some of the basic knowledge.
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What is a semaphore?
1 point
It is a non-negative integer variable. It was first proposed by Edsger Dijkstra.
A very complicated abstract data type.
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What does a 'free lunch' mean in programming?
1 point
The free lunch means we were previously able to get performance gains by simply 'waiting' for better architectures to come out. Now we have run into problems such as the power wall, and how many transistors we may pack onto a cpu.
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