In Figure E6-3, which is the schematic symbol for the NOT operation (inversion)?

The key fact is 5. Match that fact to the exact condition in the question; the other choices describe a different rule, band, component, or operating situation.

The key fact is 5. Match that fact to the exact condition in the question; the other choices describe a different rule, band, component, or operating situation.
The official correct answer for E6C11 is 5.
The key fact is 5. Match that fact to the exact condition in the question; the other choices describe a different rule, band, component, or operating situation.