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It is the motherboard.
The motherboard
In a computer system, the motherboard holds all the other circuit boards. The video, sound, game ports, and all other daughter boards are attached to this important piece of hardware.
When the furnace in your home goes out, there are a few things that you need to look at before you get a new furnace. Get the furnace serviced by a professional electrician who will check the heating coils as well as the filter in the furnace. Check the circuit breakers in the furnace to ensure that they are working properly. If the breaker is not making contact, this could be all that you need to replace.
All Kodak batteries are interchangable, at least on the newer models.
All I know is it has heavy metal in it and that's poisonous to the environment.
Yes they all do.AnswerNo, they don't. There are many p.c.bs which use only discrete components.
Because it is the main circuit board in the computer that connect to all the other boards and component.
The gas valve is an electrically powered device that is wired at the end of a series circuit so that it can only be energized (open) if all of the safety switches upstream in the circuit are closed and the pilot flame is lit on a standing pilot furnace.
Circuit board is the name for the place / board that parts are put on to to make a circuit. All circuit do not have to have a microchip but that board will not do anything fancy. A speaker crossover for example is the only thing I can think of. All micro chips will need a circuit board to connect power, inputs, outputs, or just to mount into a package.
As everybody can easily imagine each cell phone has an enormous number of FUNCTIONS to perform and these are all performed by 'elements' of the phone's circuit boards.
It was once used in all the circuit boards such as the motherboard. However this was expensive, and it's rare to find any gold in modern computer electronics.