Design 4-bit counter using JK flip flops

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daskywalker

Joined Mar 28, 2010
13
Design a 4-bit counter using only the Q outputs of four JK flip-flops. Build it using synchronous timing into the clocks. Include a logic switch that can stop and start the timer assuming that the clocking input never stops. Also include a switch that can reset the whole system to 0000 whenever we wish.

Is it something similar to this? (Figure 2)

http://www.siliconfareast.com/counters.htm

If yes where would I put the switches?
 
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