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If the value input for START is 8, how many times will the instructions within the loop below be executed?

``` Read START COUNT = START DOWHILE COUNT > START COUNT = COUNT - 1 Write COUNT ENDDO ``` a) 0 b) 1 c) 8 d) infinite

Interrupts and counters are examples of ________ abstractions.

Fill in the blank(s) with the appropriate word(s).