computer circuit consisting of an electronic sub-assembly; copper conductors are laminated on an insulating board or card and circuit components are inserted into holes and dip soldered
a person who is the aim of an attack (especially a victim of ridicule or exploitation) by some hostile person or influence; "he fell prey to muggers"; "everyone was fair game"; "the target of a manhunt"
profit from in an exploitatory manner; "He feeds on her insecurity"
having existence or being or actuality; "an attempt to refine the existent machinery to make it more efficient"; "much of the beluga caviar existing in the world is found in the Soviet Union and Iran"
supply with necessities and support; "She alone sustained her family"; "The money will sustain our good cause"; "There's little to earn and many to keep"