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Search results for circuit-output

53 votes
10 answers
1
GATE CSE 2010 | Question: 32
In the sequential circuit shown below, if the initial value of the output $Q_1Q_0$ is $00$. What are the next four values of $Q_1Q_0$? $11$, $10$, $01$, $00$ $10$, $11$, $01$, $00$ $10$, $00$, $01$, $11$ $11$, $10$, $00$, $01$
In the sequential circuit shown below, if the initial value of the output $Q_1Q_0$ is $00$. What are the next four values of $Q_1Q_0$? $11$, $10$, $01$, $00$$10$, $11$, $...
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39 votes
8 answers
5
GATE IT 2007 | Question: 45
The line $T$ in the following figure is permanently connected to the ground. Which of the following inputs $(X_1 X_2 X_3 X_4)$ will detect the fault ? $0000$ $0111$ $1111$ None of these
The line $T$ in the following figure is permanently connected to the ground.Which of the following inputs $(X_1 X_2 X_3 X_4)$ will detect the fault ?$0000$$0111$$1111$Non...
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70 votes
5 answers
6
GATE CSE 2006 | Question: 8
You are given a free running clock with a duty cycle of $50\%$ and a digital waveform $f$ which changes only at the negative edge of the clock. Which one of the following circuits (using clocked D flip-flops) will delay the phase of $f$ by $180°$?
You are given a free running clock with a duty cycle of $50\%$ and a digital waveform $f$ which changes only at the negative edge of the clock. Which one of the following...
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66 votes
6 answers
7
GATE CSE 2007 | Question: 36
The control signal functions of a $4$-$bit$ binary counter are given below (where $X$ ... through the following sequence: $0, 3, 4$ $0, 3, 4, 5$ $0, 1, 2, 3, 4$ $0, 1, 2, 3, 4, 5$
The control signal functions of a $4$-$bit$ binary counter are given below (where $X$ is “don’t care”):$$\small {\begin{array}{|c|c|c|c|l|}\hline\textbf{Clear}& ...
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44 votes
5 answers
8
GATE CSE 2004 | Question: 61
Consider the partial implementation of a $2-bit$ counter using $T$ flip-flops following the sequence $0-2-3-1-0,$ as shown below. To complete the circuit, the input $X$ should be $Q_2^c$ $Q_2 + Q_1$ $\left(Q_1 + Q_2\right)^c$ $Q_1 \oplus Q_2$
Consider the partial implementation of a $2-bit$ counter using $T$ flip-flops following the sequence $0-2-3-1-0,$ as shown below.To complete the circuit, the input $X$ sh...
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24 votes
2 answers
9
GATE CSE 2010 | Question: 9
The Boolean expression of the output $f$ of the multiplexer shown below is $\overline {P \oplus Q \oplus R}$ $P \oplus Q \oplus R$ $P+Q+R$ $\overline{P+Q+R}$
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$$\overline{P+Q+R}$
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37 votes
5 answers
11
GATE IT 2005 | Question: 43
Which of the following input sequences will always generate a $1$ at the output $z$ ...
Which of the following input sequences will always generate a $1$ at the output $z$ at the end of the third cycle?$\begin{array}{|l|l|}\hline \textbf{A} & \textbf{B} & \t...
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0 votes
2 answers
12
UGC NET CSE | December 2018 | Part 2 | Question: 17
Find the boolean expression for the logic circuit shown below: $A \overline{B}$ $\overline{A} B$ $AB$ $\overline{A} \overline{B}$
Find the boolean expression for the logic circuit shown below:$A \overline{B}$$\overline{A} B$$AB$$\overline{A} \overline{B}$
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10 votes
3 answers
16
ISRO2014-21, UGCNET-Dec2012-III: 23, UGCNET-Dec2013-III: 22
What are the final values of $\text{Q}_1$ and $\text{Q}_0$ after $4$ clock cycles, if initial values are $00$ in the sequential circuit shown below: $11$ $01$ $10$ $00$
What are the final values of $\text{Q}_1$ and $\text{Q}_0$ after $4$ clock cycles, if initial values are $00$ in the sequential circuit shown below:$11$$01$$10$$00$
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2 votes
2 answers
17
UGC NET CSE | September 2013 | Part 2 | Question: 49
What type of logic circuit is represented by the figure shown below ? $\text{XOR}$ $\text{XNOR}$ $\text{XAND}$ $\text{XNAND}$
What type of logic circuit is represented by the figure shown below ?$\text{XOR}$$\text{XNOR}$$\text{XAND}$$\text{XNAND}$
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30 votes
4 answers
18
GATE CSE 2010 | Question: 31
What is the boolean expression for the output $f$ of the combinational logic circuit of NOR gates given below? $\overline{Q+R}$ $\overline{P+Q}$ $\overline{P+R}$ $\overline{P+Q+R}$
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...
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