The counter shown in figure is built using 4 negative edge triggered t – McqOptions

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1.	The counter shown in figure is built using 4 negative edge triggered toggle FFs. The FFs can be set synchronously when R = 0. The combinational logic required to realize a modulo 13 counter is
A.	F= Q4 Q3 Q2 Q1
B.	F= Q4 + Q3 + Q2 + Q1
C.	F = Q4 + Q3 + Q2 + Q1
D.	F = Q4 Q3 Q2 Q1
Answer» C. F = Q4 + Q3 + Q2 + Q1

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