Question: QUESTION 2 [20 marks] a) Simplify the following Boolean expression by using Boolean algebra rules and De-Morgan Theorem. i) X=(A + B)(A+ C) [5

QUESTION 2 [20 marks] a) Simplify the following Boolean expression by using Boolean algebra rules and De-Morgan Theorem. i) X=(A + B)(A+ C) [5 marks] ii) Y (ABCCD) + BC [5 marks] Score 5, A 4-to-1 multiplexer is shown as in the following figure. (1) Write out the output expression, (2) draw the output waveform. (each scores 5, Total Score 10) S D D D D- D S D Y Score 6, If the input waveforms are applied to the circuit, sketch the output waveform (score 5) and illustrate the function of the circuit (score 5). (Total Score 10) As AL x

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