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Q. |
In the keypad application, the preset state of the ring counter define |
A. | the nanding of the columns |
B. | the nanding of the rows |
C. | the proper output of the column encoder |
D. | the proper output of the row encoder |
Answer» D. the proper output of the row encoder | |
Explanation: when a key is pressed the ring counter in the hdl scans the information provided by the user and counts to find the row. the preset state of the ring counter define the proper output of the row encoder. |
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