9 [ video display testing units; voltage doublers; light gas guns; solid propellant guns; cold gas guns; X-ray intervalometers; magnetic detector intervalometers, projectile velocity measurement units; ]computers, militarized computers and computer components; namely, [ memory and accessory modules, central processing units, analog modules, ]parallel and serial interface modules, [ bus interface modules, peripheral controllers, ]I/O modules, [ wire wrap boards, adapter boards, extender boards, extender cables, power supplies, ]chassis, [ computer hardware peripherals; ]computer software for use in defense and industrial applications; pulse generators, electronic integrators, electrical button shunts, [ electrical repair shunts, electrical shunts, ]vacuum voltage monitors, spark gap switches, [ pulse amplifiers, ]current monitors; beta ray E-beam sterilizers; lasers, excimer [ lasers, X-ray pre-ionizers, ]electron accelerators