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प्रश्न
The logic gate which produces LOW output when one of the input is HIGH and produces
HIGH output only when all of its inputs are LOW is called _______.
(A) AND gate
(B) OR gate
(C) NOR gate
(D) NAND gate
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उत्तर
(C) NOR gate
APPEARS IN
संबंधित प्रश्न
The output of NOR gate is high, when _______.
Write the truth table for a NAND gate connected as given in the following figure.

Hence identify the exact logic operation carried out by this circuit
You are given two circuits as shown in following figure, which consist of NAND gates. Identify the logic operation carried out by the two circuits.
(a)

(b)

The arrangement given below represents a logic gate :

Copy the following truth table in your answer booklet and complete it showing outputs at C
and D.
| A | B | C | D |
| 0 | 0 | ||
| 1 | 0 | ||
| 0 | 1 | ||
| 1 | 0 |
Answer the following question :
Distinguish between digital and analogue signals.
The output of an OR gate is connected to both the inputs of a NAND gate Draw the logic circuit of this combinaion of getes and write its truth table.
Name the logic gate which generated high output when at least one input is high.
Let \[X = A \overline{ BC} + B\overline{ CA} + C\overline{AB } .\] Evaluate X for A = 1, B = 0, C = 1.
Why is the linear portion of the triode characteristic chosen to operate the triode as an amplifier?
Why are NOR gates considered as universal gates?
Show the variation of voltage with time, for a digital signal.
With the help of a diagram, show how you can use several NAND gates to obtain an OR gate.
Useful Constants and Relations :
| 1. Speed of Light in Vacuum | (c) = 3.00 x 108 m/s |
| 2. Charge of a proton | (e) = 1.60 x 10-19C |
| 3. Planck's Constant | (h) = 6.6 x 10-34 Js |
| 4. Permeability of vacuum | (μ0) = 4π x 10-7 Hm-1 |
| 5. Electron Volt | (1eV ) = 1.6 x 10 |
| 6. Unified Atomic Mass Unit | (1u) = 931 MeV |
| (π) = 3.14 | |
| ( ln 2 ) = 0.693 |
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Truth table for the given circuit (Figure) is ______.

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Write the truth table for the circuit shown in figure. Name the gate that the circuit resembles.

In the logic circuit shown in the figure, if input A and B are 0 to 1 respectively, the output at Y would be 'x'. The value of x is ______.

Identify the logic operation carried out by the given circuit:

Which of the following gives a reversible operation?
