AS: The computer consisted of three racks of equipment. Each rack was 2 feet wide and 7 feet tall. There was air conditioning at the bottom of each rack to cool it off because the circuits ran pretty warm. The memory could range from 8,000 to 16,000 20-bit words. It had an auxiliary memory that could go to 32,000 20-bit words. The computer interfaced with magnetic tapes, with punch cards and punch tapes, among other things.