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  4. The diagram shows a logic network. <img class=img-fluid question-image alt=image src=https://cdn.tardigrade.in/img/question/physics/be7fd4882576f6ed57bf5dc60bedcd86-.png /> If the inputs L, M and N are all at logic 1, what are the logic states of P, Q and R ?

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Q. The diagram shows a logic network.
image
If the inputs $L, M$ and $N$ are all at logic 1, what are the logic states of $P, Q$ and $R$ ?

Semiconductor Electronics: Materials Devices and Simple Circuits

Solution:

The outputs $X, Y, P, Q$ and $R$ are summarized in the table below.

Solution Image