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Bendix G-15
| Manufacturer | Bendix
|
| Identification,ID | G-15
|
| Date of first manufacture | 1956
|
| Number produced | about 300
|
| Estimated price or cost | "$50,000 in late 1950 dollars"
|
| location in museum | -
|
| donor | -
|
Contents of this page:
Photo
Photo
Placard
Architecture
- Two address, drum main memory,
- Word length - 29 bits
- Optional magnetic tape storage
- Double-length arithmetic registers for machine supported double precision
|
Special features
- Block I/O permitted movement of up to 108 words with a single command
- Simultaneous I/O and computation
- The following interesting peripherals were available
- An accessory "DIGITAL DIFFERENTIAL ANALYZER DA-1" greatly eased and speeded
certain engineering work.
- Graphical Plotter PA-3
- Punched Card Coupler CA-2
- Punched Paper Tape Reader PR-1 (250 character/sec), PR-2 (430 characters/sec,
can read 5, 6, 7, or 8 bit tape, searchable)
- Special Input-Putput Registers
- Gordon S. Becker - beckers@main.nc.us - says " I was in charge of a scientific computing
division for the U.S. Army Map Service and the cost for G-15D computer (The D
postscript denotes an alphabetic capability) was in the neighborhood of $50,000.00
in late 1950 dollars. I also have retained copies of the coding for a number of
double precision computer programs. ..."
|
Historical Notes
- Same year, similar use of circulating registers on drum as LGP-30
- Followed by the transistorized Bendix G-20
|
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Updated December 15, 2004