MCQOPTIONS
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| 1. |
The internal circuitry of the 555 timer consists of ________, an R-S flip-flop, a transistor switch, an output buffer amplifier, and a voltage divider. |
| A. | a comparator |
| B. | a voltage amplifier |
| C. | two comparators |
| D. | a peak detector |
| Answer» D. a peak detector | |