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6. What is the name of the circuit for diagram in Figure 2? a) J-K flip-flop b) Down Ripple Counter c) Up Ripple Counter d) Decimal counter оо QO Q10 Q ch IR 0.- ei Hii J: Oil CEN 2,9 J, QAH PU HR, Q. is 에 ANESE Figure 2 7. Why Latches are called a memory devices? a) It has capabilities to store 8 bit of data b) It has internal memory of 2 bit c) It has capabilities to store 1 bit of data d) None of the above 8. Sequential circuit contains a) No memory element b) At least one memory element c) All inputs applied simultaneously d) None of the above 9. Race condition occurs in a) Synchronous circuit b) Asynchronous circuit c) Combinational circuit d) All of the digital circuit 10. Who many flipflop you need to Design a sequential circuit for the given state diagram in Figure 3? a) 1 b) 2 c) 3 d) 4 Figure 3 11. Which Logic involves feedback from output to input that is stored in the memory for the next operation is a) sequential logic b) combinational logic c) core diode logic d) random logic