i seen in it in a page it is mentioned we are using positive logic systems that is above +2v for on and below 0.8 to for off.but in below statement its said to ground for 0 .if i do so it looks like - voltage ..help me plzz
"we can define the ideal Digital Logic Gate as one that has a "LOW" level logic "0" of 0 volts (ground) and a "HIGH" level logic "1" of +5 volts and this can be demonstrated as:"