Question: ( c ) A staircase light is controlled by two switches S 1 and S 2 , one at the top of the stairs and

(c) A staircase light is controlled by two switches S1 and S2, one at the top of the
stairs and another at the bottom of stairs.
Lampu tangga dikawal oleh dua suis, S1 dan S2, satu bahagian atas tangga dan
satu lagi bahagian bawah tangga.
(i) Produce a truth table for this system.
Hasilkan jadual kebenaran untuk sistem ini.
(ii) Write the logic equation in SOP form.
Tulis persamaan logik di dalam bentuk SOP.
(iii) Design the circuit using AND-OR gates.
Reka litar menggunakan AND-OR 'gates'.
 (c) A staircase light is controlled by two switches S1 and

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