1. Copyright (c) 2003 by Valery Sklyarov and Iouliia Skliarova: DETUA, IEETA, Aveiro University, Portugal

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5. 9 left mouse button double click 1011

6. 12 13 14 15 left mouse button double click 16 17

7. 1 0 S 0...S 7 10100111 = x”A7” contains 5 ones Execution Unit DIP switchers Number of ones 5 FSM tempresult COUT MUX temp=0 COUT=0 start mux_out Select DIP temp=temp+1 DIP_is_ON COUT=COUT+1 DIP_number result=temp Store_resultr FSM_data

8. 1 0 S 0...S 7

10. left mouse button double click edit

11. Change attributes if required

13. Select

14. 1 2 Remark: the names of states were changed to S0,S2,S3,S4 to allow more compact drawing of wave forms on a screen with limited size

15. Select left mouse button double click

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17. left mouse button double click

18. Graph with 4 states, which permits to solve the same task