Logic Gates

In a two input logic gate, when one input is '1' and the other is '0' (zero), the output is '1'. But even if both inputs are '0' (zero), the output is '1'. The logic gate is

For a two input logic gate, when the inputs are 'zero' and 'zero' the output is 'one'. When the inputs are 'one' and 'zero' the output is 'zero'. The type of logic gate is

Which of the following logic gates will have an output of '1' (one) for the given inputs?

If two inputs of a NOR gate are shorted, the resulting gate is

An AND gate is followed by a NOT gate in series. With two input $A$ and $B$, the Boolean expression for the output $Y$ will be

In which of the logic gate the following statement is true? "The output is high when either of the inputs is high but not if both inputs are high"

In the case of NAND gate, if A and B are inputs and Y is the output then

In Boolean expression $A + B = Y$ implies that

To get output zero for the following circuit, the correct choice for the input is

a. $A = 1, B = 1, C = 0$

b. $A = 0, B = 1, C = 0$

c. $A = 1, B = 1, C = 1$

d. $A = 1, B = 0, C = 1$

For the logic circuit given below, for

a) input $A = 0$ and input $B = 1$, and

b) input $A = 1$ and input $B = 1$, the output $E$ is respectively

The output Y, when all the three inputs are first high and then low, will respectively be

The output Y of the following digital logic circuit will be '1' (one) for the inputs

The Boolean expression for the given combination of logic gates is

The output Y of the given logic circuit is

In the following digital circuit, the output 'Y' will be '1' (one) for inputs 'A' and 'B' having values

To get the truth table shown from the following logic circuit, the gate G should be

The output $Y$ for the given inputs $A$ and $B$ to the circuit is:

Refer to the logic circuit given below. For two inputs ( $A = 1, B = 1$) and ( $A = 0, B = 1$ ), output ( Y) will be ______.

For the given logic circuit, which of the following inputs combination will make both LED-1 and LED- 2 to glow?

For the given logic gate circuit, which of the following is the correct truth table?

The correct truth table for the given input data of the following logic gate is:

Find the correct combination of $\mathrm{A}, \mathrm{B}, \mathrm{C}$ and D inputs which can cause the LED to glow.

The following circuit is equivalent to

The output $Y$ of the given logic circuit is similar to the output of

The truth table for the system of four NAND gates as shown in the figure is

The resultant gate and its Boolean expression in the given circuit is

______

What does the following combination of gates produce?

If X and Y are the inputs, the given circuit works as _________.

Two p-n junction diodes $D_1$ and $D_2$ are connected as shown in figure. $A$ and $B$ are input signals and $C$ is the output. The given circuit will function as a ________.

Identify the correct truth table of the given logic circuit.

The given circuit works as:

In the logic circuit diagram, when all the four inputs, A, B, C, D are 'one' the outputs $Y_1, Y_2, Y_3$ are respectively (1, 1, 0). When the inputs A and C are changed to zero and B and D are still 'one', then the outputs $Y_1, Y_2, Y_3$ are respectively change to

Two 4 bits binary numbers, $A = 1101$ and $B = 1010$ are given in the inputs of a logic circuit shown in figure below. The output $(Y)$ will be:

In a certain 2 -inputs logic gate, when inputs $\mathrm{A} = 0$ and $\mathrm{B} = 0$, then output $\mathrm{C} = 1$. And also when inputs $\mathrm{A} = 0,\ \mathrm{B} = 1$, then again output $\mathrm{C} = 1$. The gate must be

An AND gate is followed by a NOT gate in series. With two inputs ' $A$ ' and ' $B$ ', the Boolean expression for the output ' Y ' will be

The logic gate for which the output goes 'HIGH' or ' 1 ' only when an odd number of 'HIGH' or ' 1 ' are at its input, is

Which of the following logic gates is called as Universal gate?

One of the following values of inputs $\mathrm{A}, \mathrm{B}$ and C respectively gives output $(\mathrm{Y})$ of the following combination of logic gates as ' 1 ' is

To get output of the following logic circuit as ' 0 ' (zero), the inputs $A, B, C$ should NOT be, respectively,

In the logic circuit given, $\mathrm{A}, \mathrm{B}$ and C are the inputs and Y is the output. The output Y is HIGH

In the following combination of logic gates, the output $Y$ can be written in the terms of inputs $A$ and B as

In a given logic circuit, the output Y when all the three inputs $\mathrm{A}, \mathrm{B}, \mathrm{C}$ are first low and then high will be respectively

Consider the following logic circuit.

The output is Y = 0 when:

The truth table corresponding to the circuit given below is:

Choose the correct logic circuit for the given truth table having inputs A and B.

In the digital circuit shown in the figure, for the given inputs the $P$ and $Q$ values are:

The truth table for the circuit given below is:

Which of the following circuits has the same output as that of the given circuit?

To obtain the given truth table, following logic gate should be placed at G:

The resultant logic gate from the combination of following gates is

The output ( $Y$) of the given logic implementation is similar to the output of an/a ________ gate.

For the circuit shown above, equivalent GATE is:

The Boolean expression $\mathrm{Y} = A\bar{B}C + \bar{A}\bar{C}$ can be realised with which of the following gate configurations.

A. One 3-input AND gate, 3 NOT gates and one 2-input OR gate, one 2-input AND gate B. One 3 -input AND gate, 1 NOT gate, One 2 -input NOR gate and one 2 -input OR gate C. 3 -input OR gate, 3 NOT gates and one 2 -input AND gate

Choose the correct answer from the options given below:

The output of the circuit is low (zero) for:

(A) $X = 0, Y = 0$

(B) $X = 0, Y = 1$

(C) $X = 1, Y = 0$

(D) $X = 1, Y = 1$

Choose the correct answer from the options given below:

Two different logic gates giving output ' 1 ' for the inputs $(1, 0)$ and then for $(0, 1)$ are

The Boolean expression for 'X-OR' gate $C = (A \oplus B)$ is equal to

When the output of an OR gate is applied as input to a NOT gate, then the combination acts as a

The combination of NAND gates is shown in figure (I) and (II). For the given inputs, the outputs in both the combinations are respectively.

To get the truth table shown from the following logic circuit, the logic gate G should be

The Boolean expression for the given combination of logic gates is

The truth table of the following circuit is

For the following digital logic circuit, the correct truth-table is

What is the output Y in the following circuit, when all the three inputs A, B, C are first 'zero' and then 'one'?

In the logic circuit diagram, when all the four inputs $\mathrm{A}, \mathrm{B}, \mathrm{C}, \mathrm{D}$ are one, the outputs $\mathrm{Y}_1, \mathrm{Y}_2, \mathrm{Y}_3$ are respectively $(1, 1, 0)$. When all the inputs $\mathrm{A}, \mathrm{B}, \mathrm{C}, \mathrm{D}$ are changed to 'zero', the outputs $\mathrm{Y}_1, \mathrm{Y}_2, \mathrm{Y}_3$ respectively change to

The truth table for the given logic circuit is

The output Y for the inputs A and B of the given logic circuit is:

A logic circuit provides the output $Y$ as per the following truth table:

The expression of the output Y is:

In the truth table of the above circuit the value of X and Y are:

The output $\mathrm{Y}$ of following circuit for given inputs is:

The correct truth table for the following logic circuit is:

The output (Y) of logic circuit given below is 0 only when:

Following gates section is connected in a complete suitable circuit.

For which of the following combination, bulb will glow (ON):

The output of the given circuit diagram is -

The truth table for this given circuit is:

The truth table of the given circuit diagram is:

Following combination of gates is equivalent to

The logic gate represented by following logic circuit is

The resultant gate and its Boolean expression in the given circuit is

The logic gate combination circuit shown in the figure performs the logic function of

The logic circuit in figure is equivalent to

The output ( $Y$) of the given logic gate is similar to the output of an/a

Identify the logic gate given in the circuit:

Identify the logic operation performed by the given circuit.

If two inputs of a NAND gate are shorted, the resulting gate is

In the case of NAND gate, if A and B are the inputs and $\mathrm{Y}$ is the output then

The output of an 'OR' gate is connected to both the inputs of a 'NAND' gate. The combination will serve as

The output from NAND gate having inputs A and B given below will be,

The output of following combination is same as that of

The Boolean expression for the following combination is

In the following digital logic circuit, the output Y will be '1' for inputs

In the digital circuit the inputs are as shown in figure. The Boolean expression for output $\mathrm{Y}$ is

To obtain the truth-table shown, from the following logic circuit, the gate G should be

To get the truth table shown, from the following logic circuit, the Gate G should be

For the following logic circuit, the truth table is:

For the following circuit and given inputs A and B, choose the correct option for output '$Y$'

The output $Y$ for the inputs $A$ and $B$ of circuit is given by

Truth table of the shown circuit is:

For the given logic gates combination, the correct truth table will be

The following logic gate combination is equivalent to

The logic gate combination circuit shown in the figure performs the logic function of

The given circuit is equivalent to:

The logic operations performed by the given digital circuit is equivalent to:

The logic performed by the circuit shown in figure is equivalent to:

Name the logic gate equivalent to the diagram attached

The logic gate equivalent to the given circuit diagram is:

For the logic circuit shown, the output waveform at $\mathrm{Y}$ is:

The output waveform of the given logical circuit for the following inputs A and B as shown below, is:

For a NAND gate, the inputs and outputs are given below.

The values taken by C, D, E, F are respectively

A logic gate circuit has two inputs A and B and output Y. The voltage waveforms of A, B and Y are shown below.

The logic gate circuit is:

The truth table for the given logic circuit is

In the circuit, the logical value of $A = 1$ or $B = 1$ when potential at $A$ or $B$ is $5\text{ V}$ and the logical value of $A = 0$ or $B = 0$ when potential at $A$ or $B$ is $0\text{ V}$.

The truth table of the given circuit will be:

In the following circuit, the correct relation between output (Y) and inputs A and B will be:

Identify the equivalent logic gate represented by the given circuit

Identify the correct Logic Gate for the following output (Y) of two inputs A and B.

Identify the logic operation performed by the given circuit:

For a two input AND gate, the four entries are shown in the truth table. Identify the correct ones out of these $(\mathrm{A}, \mathrm{B} =$ input, $\mathrm{Y} =$ output)

Which of the following gates will give an output '1' for the given inputs?

The output of an 'OR' gate is 'one'

Two different logic gates moving output '0' for the inputs (0, 1) and then for (1, 0) are

A logic gate which gives output 'HIGH' only when its two input terminals are at different logic levels with respect to each other is

Four NOR gates are connected as shown in figure. The truth table for the given figure is:

For the output of the following logic circuit to be '1', the values of inputs A and B should be respectively

For the given circuit, the input digital signals are applied at the terminals A, B and C. What would be the output at the terminal y?