The circuit shown in Figure 83 represents an A synchronous B

The circuit shown in Figure 8-3 represents a(n) A) synchronous BCD decade counter B) BCD-to-decimal decoder C) asynchronous BCD decade counter D) four-bit binary counter

Solution

4) Ans: A i.e synchrounous BCD decade counter

Reason: From the Timing/clock diagram you can see that output Q3 Q2 Q1 Q0 varies from (0)0000 to(9) 1001

and resets to 0000 so counter counts from 0 to 9 so it is a decade counter and clock is simultaneously given to all

flipflops so it is synchronous counter