Programming instructions

TIL Components
National Instruments Corporation 9-3 Multisim Component Reference Guide
9.1.3 NOT Gate
This component inverts, or complements, the input signal. If the input is high, the output is
low, and vice versa.
NOT gate truth table:
Boolean Expression:
9.1.4 NOR Gate
This component is a NOT OR, or an inverted OR gate. Its output is high only when all the
inputs are low. Using a NOR gate is the same as having a NOT gate at the output of an OR
gate.
NOR gate truth table:
ay
01
10
ya
ya
=′
=
aby
001
010
100
110
ComponentRef.book Page 3 Thursday, December 7, 2006 10:12 AM