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electronics and communication engineering digital electronics
1. Mark the false statement:
(A): actual digital waves have rise and fall times of the order of a few nano seconds
(B): since wave-shape of a digital signal is unimportant, linear amplifiers are not required
(C): the leading and trailing edges of a digital signal need not be sharp
(D): the precise amplitude of a digital signal is also unimportant provided two voltage levels (0 and 1) are quite different
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