For NAND gate: output is 0 when:
AAny input is 0
BALL inputs are 1 (NAND = NOT AND)
CAny input is 1
DNever
Answer & Solution
Correct answer: B. ALL inputs are 1 (NAND = NOT AND)
NAND truth table: only outputs 0 when ALL inputs are 1. Equivalent: NOT(A AND B). NAND is 'universal gate' — any Boolean function can be built from NAND alone.
Related questions
The function of a logic gate is defined by its:The five common logic gates are NOT, AND, OR, NAND and:An LED converts electrical energy into:Photodiodes, LEDs and solar cells are together called:A full-wave rectifier built with two diodes needs a transformer with a:Under forward bias the depletion layer:A p-n junction with metal contacts at its ends is a:Despite extra carriers, a doped crystal as a whole is: