The NCR 315 Data Processing System, released in January 1962 by NCR, [1] is a second-generation computer. All printed circuit boards use resistor–transistor logic (RTL) to create the various logic elements. It uses 12-bit slab memory structure using magnetic-core memory.

The NCR 315 Data Processing System, released in January 1962 by NCR, was a second-generation computer. All printed circuit boards used resistor-transistor logic to create the various logic elements. It used 12-bit slab memory structure using core memory.

Up to 16 of these unique magnetic card handlers can be operated on-line in an NCR 315 Com-puter System. With its speed, power, and flexibility, this new external mem- ory device opens a whole new approach to economical electronic processing.

The NCR 315 computer has been taught to understand and carry out instructions that have been written in COBOL, the "near English" pro- gramming language. The COBOL Translator, available with the 315, will greatly simplify your programmers "teaching" job.

The brochure presents the NCR 315 as a low cost, high performance computer. The front cover folds out to 3 pages with a color photograph of people working at the NCR 315 on the inside. The front and back covers have a repetitive NCR pattern in blac.

Up to 16 CRAM units can be placed on-line with the central processor. The notchings on the top edge of each card per- mit random selection of any card in approximately 200 milliseconds (1/5th of a second)-thus providing an unequaled degree of ver- satility for bank data processing.

The brochure presents the NCR 315 as a low cost, high performance computer. The front cover folds out to 3 pages with a color photograph of people working at the NCR 315 on the inside. The front and back covers have a repetitive NCR pattern in black and white, with the front fold out pages showing a broad black band across the white background.

Dec 15, 2010 · On the hardware side, NCR at Dayton developed several special input/output devices in addition to designing complete computer systems such as the NCR 315. NCR produced the successful CRAM (Card Random Access Memory) using magnetically coated cards, as an alternative to magnetic tape storage.

The NCR 315 Data Processing System, released in January 1962 by NCR, is a second-generation computer. All printed circuit boards use resistor–transistor logic (RTL) to create the various logic elements. It uses 12-bit slab memory structure using magnetic-core memory.

NCR’s first large computer was the fully-transistor NCR 304, released in 1957. The NCR 315 system followed in 1962 and is noteworthy for the CRAM, an electromechanical marvel/monster that reminds us of the great problem of fast mass storage in that era.