1. Explain with the aid of truth tables the functions of the logic gates IC1-IC4 and determine the Boolean expression from the 8 switch options (use S1-S8 or \( A-H \) ) required to operate (buzz) the speaker (use Q as input 2 to IC4/1 and as output 4 from IC4/2).
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IC3 is a 4-input AND gate. This means that all four inputs (A, B, C, and D) must be high (1) for the output (Y) to be high (1). Show more…
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