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.
Italian school of criminology. The Italian school of criminology was founded at the end of the 19th century by Cesare Lombroso (1835â1909) and two of his Italian disciples, Enrico Ferri (1856â1929) and Raffaele Garofalo (1851â1934). Contents. 1 Lombroso's conception of the atavistic born criminal.