Electronic and pneumatic controls for surgical and medical devices and apparatus, namely, computer monitors, optical sensors, cameras, video multiplexers, drivers and communications apparatus consisting of digital boards or serial interfaces; data input and output devices apparatus for computers, namely, printers, speakers, facsimile machines, scanners, and plotters; blank data carriers, namely, tapes, cards, CD-ROMS and disks, data display and touch screens, voice recognition computer progra...