The circuit has been designed for transistors to determine whether the pin is emitter, base or collector as well as the type if NPN or PNP polarity, and can also be used in testing diodes. 4011 – a ...

NASA, the double-helix model, Elvis ... there's a long list of things that emerged during the 1950s which still resonate strongly in 2011, but none more so than the humble silicon transistor.

Am putting together a PC and have run into a problem with the MB/case. The case fan has a 3-hole connector and all system fan connectors on the MB are 4-pin. Case: Fractal Design Define R5 Black ...