Computer Science for IGCSE & O level - Boolean Logic (Section 9 - No. 50)
What is the output state of a NAND gate if the inputs are A=1 and B=1?
0
1
Undefined
It depends on the gate before
Giải thích
A NAND gate is an AND gate followed by a NOT gate. AND(1,1) = 1. NOT(1) = 0.