Which of the following cannot be used for constructing alpha-numeric devices? Options: A . &nbspLED B . &nbspNeon lamp C . &nbspSeven segment display D . &nbspNone of the mentioned

Which of the following cannot be used for constructing alpha-numeric devices?

Question

Which of the following cannot be used for constructing alpha-numeric devices?

Options:

A . LED

B . Neon lamp

C . Seven segment display

D . None of the mentioned

Answer: Option D
Answer: (d).None of the mentioned

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