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प्रश्न
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.
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उत्तर १
Both the inputs of the NAND gates are joined to form a single input. Therefore, it behaves like a NOT gate.
| A | B | A + B | `overline(A+B)` |
| 0 | 0 | 0 | 1 |
| 0 | 1 | 1 | 0 |
| 1 | 0 | 1 | 0 |
| 1 | 1 | 1 | 0 |
उत्तर २
Both the inputs of the NAND gates are joined to form a single input. Therefore, it behaves like a NOT gate.
| A | B | A + B | `overline(A+B)` |
| 0 | 0 | 0 | 1 |
| 0 | 1 | 1 | 0 |
| 1 | 0 | 1 | 0 |
| 1 | 1 | 1 | 0 |
संबंधित प्रश्न
Draw logic symbol of an OR gate and write its truth table.
What will be the values of input A and B for the Boolean expression `overline ((A +B) .(A*B)) =1?`
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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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?
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 ______.
The given figure shows the waveforms for two inputs A and B and that for the output Y of a logic circuit. The logic circuit is ______.
