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9. (TCO 3) What is the result when 0A19 16 is incremented by 1? (Points : 7) 0A1

ID: 1814318 • Letter: 9

Question

9. (TCO 3) What is the result when 0A1916 is incremented by 1? (Points : 7)                                        0A1916
                                        0A1016
                                        0A2016
                                        0A1A16
              
10. (TCO 3) The binary number 1100 is equivalent to what decimal number? (Points : 7)                                       3
                                        6
                                        12
                                        24
              
11. (TCO 3) A J-K flip-flop has Q = 1. The output will always change on the next clock edge when (Points : 7)                                       J = 0, K = X.
                                        J = X, K = 0.
                                        J = X, K = 1.
                                        J = 1, K = X.
              
12. (TCO 3) What is the result of the binary subtraction 1100 10. (TCO 3) The binary number 1100 is equivalent to what decimal number? (Points : 7)                                       3
                                        6
                                        12
                                        24

Explanation / Answer

9. 0A1A16


10. 12


11. J = X and K = 1


Explanation: When J=0, K=1, Flip flop output Q resets and equal to Q=0
When J=1, Q=1, flipflop toggles between 0 and 1
Therefore, whatever may be the J input i.e J=X, for K=1, Flip flop output Q becomes 0 i.e. Q=0 when previous output Q=1.


12. 0110


13. 600 kHz

Explanation: When two counters are cascaded the division in frequency is given as

f1=f/m1

f2 = f1/m2

Thus in this case

f1 = 60000/5

= 12000 kHz

f2 = 12000/20

= 600 kHz (OPTION A)