5555555555124. When does the output of a NAND gate = 1? (a) Whenever a 0 is present at an input (b) Only when all inputs = 0 (c) Whenever a 1 is present at an input (d) Only when all inputs = 1
5555555555126. A TTL NAND gate with IIL(max) of –1.6 mA per input drives eight TTL inputs. How much current does the drive output sink? (a) –12.8 mA (b) –8 mA (c) –1.6 mA (d) –25.6 mA
5555555555127. When does the output of a NOR gate = 0? (a) Whenever a 0 is present at an input (b) Only when all inputs = 0 (c) Whenever a 1 is present at an input (d) Only when all inputs = 1