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Key press detection and Key identification are:

(a) the same processes

(b) two different works are done in Keyboard Interfacing

(c) none of the mentioned

(d) any of the mentioned

I got this question by my college director while I was bunking the class.

My question is based upon Keyboard Interfacing in portion 8051 Microcontroller of Microcontroller

1 Answer

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by (24.2k points)
Right choice is (b) two different works are done in Keyboard Interfacing

Easiest explanation: They are two different works that are involved in Keyboard Interfacing. One is used for checking that which key is being actually pressed and the other is used to check that is the key actually pressed or not.

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