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| Q. |
When a key is pressed, what does the ring counter in the HDL keypad application do? |
| A. | count to find the row |
| B. | freeze |
| C. | count to find the column |
| D. | start the d flip-flop |
| Answer» A. count to find the row | |
| Explanation: the data signal arrange the information with the help of data flow in row and column manner. it encodes the data to be sent. when a key is pressed the ring counter in the hdl scans the information provided by the user and counts to find the row. | |
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