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-flopI got this question in examination.My question is based upon Introduction to Hardware Description Language in chapter Memory Devices of Digital Circuits

When a key is pressed, what does the ring counter in the HDL keypad ap

1.	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-flopI got this question in examination.My question is based upon Introduction to Hardware Description Language in chapter Memory Devices of Digital Circuits
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