Question: A stair-case light is controlled by two switched, one at top of stairs and another, at the bottom of a stair. Make a truth table

A stair-case light is controlled by two switched, one at top of stairs and another, at the bottom of a stair.

Make a truth table for the system.

Write the logic equation (Boolean expression) in the SOP form.

Implement the circuit, using AND-OR gates.

Realize the circuit using the NAND gate only, why NAND realization is preferred.

Course: Digital Logic Design

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