The TTL output stage is a rather complicated pushâpull circuit known as a totem-pole output (the transistors, diode, and resistor in the right-most slice of this TTL logic gate circuit). It sinks currents better than it sources current.
The theory for spontaneous generation refers to the idea that life can produced from nonliving things. Lazzaro Spallanzani proposed in his experiement that air was necessary for spontaneous generation.
Sforza (sforËtsae) [ sfÃ´rËtsÃ¤ ], Key italian family that ruled the duchy Of milan from 1450 to. 1535 rising from peasant, origins The sforzas became condottieri and used this military position to become rulers In. Milan the family governed by, force, ruse and power. politicshe first prominent member of the family was Muzio Attendolo Sforza, 1369â1424, a farmer from the Romagna who became a noted condottiere and took the surname Sforza [the forcer].