Is a LCDan input device or output device?

Answer 1

It is a output device. Keyboard is an input because you use it to put information in the PC. LCD which is the screen out information.

Answer 2. An LCD device is not innately an input nor an output, it is just another transducer device, in this case converting electrical signals to light signals.

It would usually be used as an output, but could be used as an input for OCR (optical character recognition).

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Answer 2

Yes, and operates as a matrix in order to produce a picture, letters, numbers, etc., depending on the design application.

Answer 3

It depends on the construction. A 'standard' LCD display is an output device only. However - if it's a 'touch-sensitive' screen - it's both an input and an output device.

Answer 4

its definitely an output

Answer 5

Output