close up of circuits electronic on mainboard technology computer background logic board,cpu motherboard,main board,sys

abstract background board boardcpu boardmobo boardsys boardsystem chip chipset circuit circuitry circuits close communication component computer cpu data device digital display electric electricity electronic electronics engineering equipment ethernet hardware industrial industry integrated internet lan logic main mainboard maintenance microchip microprocessor mobo motherboard motherboardmain nlogic part processor ram repair semiconductor system tech technician technology