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| Q. |
When an open occurs on the input of a TTL device, the output will . |
| A. | go low, because there is no current in an open circuit |
| B. | react as if the open input were a high |
| C. | go high, since full voltage appears across an open |
| D. | still be good, if only the good inputs are used |
| Answer» B. react as if the open input were a high | |
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