close up old cpu microprocessor obsolete computer with gold as ingredient and motherboards. e-waste is a problem with

486 bit board bug byte chip circuit computer conductor cpu defective device digital waste electronic electronics element environment equipment hardware hertz industry information integrated intel megahertz memory micro microchip microcircuit microprocessor motherboard object obsolete old pentium processor recycle reflection retro science semiconductor silicon socket system technology used vintage close gold ingredient motherboards e-waste problem environmental concepts recycled motherboards recycled