Which of the following statements regarding the "Data" input of the circuit shown below is true, when the "Out" signal follows the given timing diagram? Consider that "Data" input is modified (if needed) only at the 1st cycle and the both the D flip-flops are positive edge triggered. Clk Out 1st cycle 2nd cycle 3rd cycle Data D Clk C D 10 Q C D D Q Changed from 0 to 1 Changed from 1 to 0 Changed from either 0 to 1 or 1 to 0 Did not change Out

Introductory Circuit Analysis (13th Edition)
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ISBN:9780133923605
Author:Robert L. Boylestad
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Which of the following statements regarding the "Data" input of the circuit shown
below is true, when the "Out" signal follows the given timing diagram? Consider that
"Data" input is modified (if needed) only at the 1st cycle and the both the D flip-flops
are positive edge triggered.
Clk
Out
1st cycle
2nd cycle 3rd cycle
Data
D
Q
D
Q
D
Clk
C
C
lo
Changed from 0 to 1
Changed from 1 to 0
Changed from either 0 to 1 or 1 to 0
Did not change
Out
Transcribed Image Text:Which of the following statements regarding the "Data" input of the circuit shown below is true, when the "Out" signal follows the given timing diagram? Consider that "Data" input is modified (if needed) only at the 1st cycle and the both the D flip-flops are positive edge triggered. Clk Out 1st cycle 2nd cycle 3rd cycle Data D Q D Q D Clk C C lo Changed from 0 to 1 Changed from 1 to 0 Changed from either 0 to 1 or 1 to 0 Did not change Out
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