mos kim 1The MOS KIM-1 ("KIM" is the acronym of the English Keyboard Input Monitor, subsequently CBM KIM-1) is a microcomputer based on the MOS 6502 microprocessor designed and marketed by MOS Technology in the United States of America since 1975 It changed its name following Commodore International's acquisition of the company in 1976. Among the first microcomputers in history, the MOS KIM-1 was a great success due to its low price ($ 250 at launch) and ample expansion possibilities.