Artifact Details

Title

NTDS CP-642/USQ-20(V)

Catalog Number

X184.83

Type

Physical object

Date

1962

Manufacturer

Sperry Univac

Place Manufactured

U.S.

Identifying Numbers

Model number NTDS CP-642/USQ-20 (V)
Serial number 1

Dimensions

64 x 37 x 36

Description

Markings 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

Price: $500,000

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.

Category

Fixed-application digital computer: other

Subject

U.S. Navy; Cray, Seymour

Credit

Gift of Department of the Navy, Naval Sea Systems Command

Lot Number

X184.83