Computer Science for IGCSE & O level - Boolean Logic (Section 6 - No. 43)
Which of the following is the correct Boolean expression for a 2-input NAND gate?
NOT(A + B)
NOT(A * B)
A + B
A * B
คำอธิบาย
The NAND gate is NOT (A AND B) which is expressed as NOT (A * B).