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महाराष्ट्र राज्य शिक्षण मंडळएचएससी विज्ञान (सामान्य) इयत्ता १२ वी

The Output of Nor Gate is High, When

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प्रश्न

The output of NOR gate is high, when _______.

पर्याय

  • all inputs are high

  • all inputs are low

  • only one of its inputs is high

  • only one of its inputs is low

MCQ
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उत्तर

all inputs are low

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2014-2015 (October)

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संबंधित प्रश्‍न

The following figure shows the input waveforms (A, B) and the output waveform (Y) of a gate. Identify the gate, write its truth table and draw its logic symbol.


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  1. acts as OR gate while the circuit
  2. acts as AND gate.

(a)

(b)


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(Hint: A = 0, B = 1 then A and B inputs of second NOR gate will be 0 and hence Y=1. Similarly work out the values of Y for other combinations of A and B. Compare with the truth table of OR, AND, NOT gates and find the correct one.)


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(a)

(b)


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Why is the linear portion of the triode characteristic chosen to operate the triode as an amplifier?


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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 0) = 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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