Electronics and Communication Engineering - Digital Electronics - Discussion


Mark the false statement:

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

Answer: Option C


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