|Model number||NTDS CP-642/USQ-20 (V)|
Dimensions64 x 37 x 36
DescriptionMarkings on it read: Navy Department Bureau of Ships--Cabinet- Electrical Equipment Contr.
Sign attached to right inside door (removed 11/9/2010) read:
NTDS UNIT COMPUTER
UNIVAC 1206 and AN/USQ-20
Remington-Rand Univac Division
Word length: 30 bits
Speed: 9.6 microseconds add time
Primary memory: 32,768 words core memory (3.6 microseconds access time)
Secondary memory: Magnetic drums and magnetic tapes
Instruction set: 62 30-bit, single-address instructions
Architecture: Parallel, binary, fixed-point arithmetic. 7 index registers, 1 accumlator register, 1 free register
Technology: 10,702 transistors
Input and Output: Punched cards, paper tape, CRT
Size: 58.6 cubic feet, 2,320 pounds, 2.5kW
Software: CS-1 compiler
Development history: Developed under contract for the U.S. Navy Tactical Data System (NTDS) by the Saint Paul division of Remington-Rand Univac. Seymour Cray was the primary logic and circuit designer.
Production History: The first unts were delivered in 1958. Later commercially available as the UNIVAC 1206.
Use: Real-time tactical analysis, display and control of weapons.