Consider an up/down counter that counts between 0 and 15, if external input(X) is 0 the counter counts upward (0000 to 1111) and if external input (X) is 1 the counter counts downward (1111 to 0000), now suppose that the present state is 1100 and X=1, the next state of the counter will be

Consider an up/down counter that counts between 0 and 15, if external

1.	Consider an up/down counter that counts between 0 and 15, if external input(X) is 0 the counter counts upward (0000 to 1111) and if external input (X) is 1 the counter counts downward (1111 to 0000), now suppose that the present state is 1100 and X=1, the next state of the counter will be
A.	0
B.	1101
C.	1011
D.	1111
Answer» D. 1111

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Consider an up/down counter that counts between 0 and 15, if external input(X) is 0 the counter counts upward (0000 to 1111) and if external input (X) is 1 the counter counts downward (1111 to 0000), now suppose that the present state is 1100 and X=1, the next state of the counter will be

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