Context for question 7
Consider the logic expression:
X is 1 if ( 1 AND Q = 1) XOR ( NOR R = 1)
May/June 2026 Paper 23
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7(a)Logic Gates Truth TablesMedium4 marks
Draw a logic circuit for the given logic expression.
Each logic gate must have a maximum of two inputs.
Do not simplify this logic expression.
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7(b)Logic Gates Truth TablesMedium4 marks
Complete the truth table from the given logic expression.
| P | Q | R | X |
|---|---|---|---|
| 0 | 0 | 0 | |
| 0 | 0 | 1 | |
| 0 | 1 | 0 | |
| 0 | 1 | 1 | |
| 1 | 0 | 0 | |
| 1 | 0 | 1 | |
| 1 | 1 | 0 | |
| 1 | 1 | 1 |