printed circuit board wikipedia. before the development of printed circuit boards electrical and electronic circuits were wired point to pointon a chassis typically the chassis was a sheet metal frame or pan sometimes with a wooden bottom components were attached to the chassis usually by insulators when the connecting point on the chassis was metal and then their leads were connected directly or with jumper wires by soldering or sometimes using crimp connectors wire connector lugs on screw terminals or other methods circuits were large.
motherboard wikipedia. prior to the invention of the microprocessor the digital computer consisted of multiple printed circuit boards in a card cage case with components connected by a backplane a set of interconnected sockets in very old designs copper wires were the discrete connections between card connector pins but printed circuit boards soon became the. how to create printed circuit boards with pictures wikihow. 11 06 2019 how to create printed circuit boards so you have that circuit designed and ready you did some computer aided simulations and the circuit is working great only one thing left you need to create a printed circuit board so you can see it. what is printed circuit board pcb definition from. printed circuit board pcb a printed circuit board pcb is the board base for physically supporting and wiring the surface mounted and socketed components in most electronics. what is pcb printed circuit board computer hope. 17 10 2017 a good example of a pcb found in all computers today is the computer motherboard the circuit board is most often green from the solder mask that coats the board however can be any other color including red blue and even black the picture is close up of a printed circuit board the picture below is a circuit board from a wacom tablet in. recycling of printed circuit boards computer parts. computers recycling b w recycling inc is buying all kinds of computers and computer related parts for recycling we pick up nationwide in most cases we also pay for the printed circuit boards out of the computers as well as other stuff such as hard drives cpu s and memory modules.