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| List$-I$ | List$-II$ |
| $(a)$ $10\, km$ height over earth's surface | $(i)$ Thermosphere |
| $(b)$ $70\, km$ height over earth's surface | $(ii)$ Mesosphere |
| $(c)$ $180\, km$ height over earth's surface | $(iii)$ Stratosphere |
| $(d)$ $270\, km$ height over earth's surface | $(iv)$ Troposphere |
$A\,\,\,\,\, B\,\,\,\,\,C$
$0\,\,\, \,\,\,0\,\,\,\,\,\, 0$
$0\,\,\,\,\, \,0\,\,\,\,\,\, 1$
$0\,\,\,\,\, \,1\,\,\,\,\,\, 0$
the output $(Y)$ should be $0$ and for all other cases it should be $1$ . Which of the following digital circuits will give such output ?
