Question

When a key is pressed, the debounce circuit waits for 2 keyboard scans and then checks whether the key is still depressed in

a.

scanned keyboard special error mode

b.

scanned keyboard with N-key rollover

c.

scanned keyboard mode with 2 key lockout

d.

sensor matrix mode

Posted under Microprocessor

Answer: (b).scanned keyboard with N-key rollover

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Q. When a key is pressed, the debounce circuit waits for 2 keyboard scans and then checks whether the key is still depressed in

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