To verify fundamental logic gates:
i) To verify truth table for OR gate.
ii) To verfy truth table for AND gate.
iii) To verify truth table for NOT gate.

Click your option. Select the one which is appropriate for your computer.

Google Video -Part1 (To be opened with Google Video)
Google Video -Part2 ( same as above)

Exp18BPart1.mp4 ( Download both parts as mp4 format & can be saved
Exp18BPart2.mp4 and may open with VLC or any of your choice )

YouTube- Part1 ( For those countries where YouTube is allowed)
YouTube- Part2 ( same as above )