Which of the following steps detects the key in a 4*4 keyboard matrix about the key that is being pressed?

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Mr. Dubey

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📊 Mechatronics

Q. Which of the following steps detects the key in a 4*4 keyboard matrix about the key that is being pressed?

(A) masking of bits
(B) ensuring that initially, all keys are open
(C) checking that whether the key is actually pressed or not
(D) all of the mentioned

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✅ Correct Answer: (D) all of the mentioned

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