Paper 1 · November 2017 · Logic gates
The entire logic circuit in Question 3 -- an OR gate and an AND gate both fed by inputs A and B, whose outputs feed a NAND gate producing P -- can be replaced by
Aan AND gate.
Ban OR gate.
Ca NAND gate.
Da NOR gate.
ZIMSEC Computer Studies 7014/1 Paper 1, Nov 2017, Q4