02-13-2015, 04:32 AM
Question 1 [10 Marks]
Complete the following table by showing appropriate output of Q for the given circuit. Assume that Q output is set as 1 initially.
Question 2
[10 Marks]
Consider the given state diagram and JK flip flop transition table (Table No.1); complete the following table (Table No.2 and Table No.3) with
· Next state
· JK flip flop inputs
[/TD]
[/TR]
[/TABLE]
Table No.2
[/TD]
[/TR]
[/TABLE]
Complete the following table by showing appropriate output of Q for the given circuit. Assume that Q output is set as 1 initially.
Question 2
[10 Marks]
Consider the given state diagram and JK flip flop transition table (Table No.1); complete the following table (Table No.2 and Table No.3) with
· Next state
· JK flip flop inputs
|
Table No.1 |
| Table No.1 [TABLE] [TR] [TD="colspan: 2"]Flip-flop Inputs |
Output Transitions |
||
| J |
K |
Qt |
Qt+1 |
| 0 |
x |
0 |
0 |
| 1 |
X |
0 |
1 |
| X |
1 |
1 |
0 |
| X |
0 |
1 |
1 |
[/TR]
[/TABLE]
Table No.2
| Present State |
Next State X=0 |
Flip-flop Inputs |
|||||
| Q0 |
Q1 |
Q0 |
Q1 |
J0 |
K0 |
J1 |
K1 |
| 0 |
0 |
? |
? |
? |
? |
? |
? |
| 0 |
1 |
? |
? |
? |
? |
? |
? |
| 1 |
0 |
? |
? |
? |
? |
? |
? |
| 1 |
1 |
? |
? |
? |
? |
? |
? |
| Table No.3 [TABLE] [TR] [TD="colspan: 2"]Present State |
Next State X=1 |
Flip-flop Inputs |
|||||
| Q0 |
Q1 |
Q0 |
Q1 |
J0 |
K0 |
J1 |
K1 |
| 0 |
0 |
? |
? |
? |
? |
? |
? |
| 0 |
1 |
? |
? |
? |
? |
? |
? |
| 1 |
0 |
? |
? |
? |
? |
? |
? |
| 1 |
1 |
? |
? |
? |
? |
? |
? |
[/TD]
[/TR]
[/TABLE]