Recent questions tagged circuit-output

7 votes
1 answer
61
The logic operations of two combinational circuits in Figure-I and Figure -II areentirely differentidenticalcomplementarydual
5 votes
2 answers
62
In the given network of AND and OR gates $f$ can be written as$\text{X}_0\text{X}_1\text{X}_2 \dots \text{X}_n + \text{X}_1\text{X}_2 \dots \text{X}_n + \text{X}_2\text{X...
6 votes
2 answers
63
1 votes
1 answer
65
19 votes
2 answers
67
If the state machine described in figure should have a stable state, the restriction on the inputs is given by$a.b=1$$a+b=1$$\bar{a} + \bar{b} =0$$\overline{a.b}=1$$\over...
10 votes
3 answers
68
37 votes
5 answers
69
Which of the following input sequences will always generate a $1$ at the output $z$ at the end of the third cycle?$\begin{array}{|l|l|}\hline \textbf{A} & \textbf{B} & \t...
38 votes
8 answers
72
The line $T$ in the following figure is permanently connected to the ground.Which of the following inputs $(X_1 X_2 X_3 X_4)$ will detect the fault ?$0000$$0111$$1111$Non...
23 votes
6 answers
73
What is the final value stored in the linear feedback shift register if the input is $101101$?$0110$$1011$$1101$$1111$
30 votes
2 answers
75
What Boolean function does the circuit below realize?$xz + \bar{x}\bar{z}$$x\bar{z} + \bar{x}{z}$$\bar{x}\bar{y} + {y}{z}$$xy + \bar{y}\bar{z}$
18 votes
2 answers
76
24 votes
2 answers
77
Consider the circuit in figure. $f$ implements$\overline{A} \overline{B}C + \overline{A}B \overline{C} + ABC$$A + B + C$$A \oplus B \oplus C$$AB + BC + CA$
25 votes
2 answers
79
Find the contents of the flip-flop $Q_2, Q_1$ and $Q_0$ in the circuit of figure, after giving four clock pulses to the clock terminal. Assume $Q_2Q_1Q_0=000$ initially.
25 votes
1 answer
80
21 votes
2 answers
82
Identify the logic function performed by the circuit shown in figure. exclusive ORexclusive NORNANDNORNone of the above
53 votes
10 answers
84
30 votes
4 answers
85
What is the boolean expression for the output $f$ of the combinational logic circuit of NOR gates given below?$\overline{Q+R}$$\overline{P+Q}$$\overline{P+R}$$\overline{P...
24 votes
2 answers
86
The Boolean expression of the output $f$ of the multiplexer shown below is$\overline {P \oplus Q \oplus R}$$P \oplus Q \oplus R$$P+Q+R$$\overline{P+Q+R}$
27 votes
5 answers
88
32 votes
3 answers
89
Consider the circuit shown below. In a certain steady state, the line $Y$ is at $'1'$. What are the possible values of $A, B$ and $C$ in this state?$A=0, B=0, C=1$$A=0, B...
26 votes
3 answers
90
Consider the following circuit:The flip-flops are positive edge triggered $D$ $\textsf{FF}$s. Each state is designated as a two-bit string $Q_0Q_1$. Let the initial state...