Computer

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Ingenium, 1985.0372.001
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OBJECT TYPE: TRANSISTOR/CORE MEMORY
DATE: 1968
ARTIFACT NUMBER: 1985.0372.001

MANUFACTURER: Digital Equipment Corp.
MODEL: PDP-9
LOCATION: Maynard, Massachusetts, United States of America

More Information

General Information

Serial #: N/A
Part Number: 1
Total Parts: 1
AKA: N/A
Patents: N/A
General Description: NON-FERROUS METAL CASING/ METAL WORKING PARTS/ SYNTHETIC CONTROL PANELS, SWITCHES, KNOBS, TAPE REEL, PAPER TAPE HOLDERS, WORKING PARTS

Dimensions

Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.

Length: 185.5 cm
Width: 75.5 cm
Height: 176.0 cm
Thickness: N/A
Weight: N/A
Diameter: N/A
Volume: N/A

Lexicon

Group: Computing Technology
Category: Digital computing devices
Sub-Category: N/A

Manufacturer

AKA: Digital
Country: United States of America
State/Province: Massachusetts
City: Maynard

Context

Country: Canada
State/Province: Ontario
Period: 1967-1984
Canada: PART OF COMPUTER SYSTEM USED BY PHYSICS DEPT. OF UNIVERSITY OF OTTAWA.
Function: PROGRAMMABLE MACHINE THAT ACCEPTS & PROCESSES COMPUTER DATA. CPU IS PRIMARY COMPONENT OF COMPUTER, CONTAINING ARITHMETIC LOGIC UNIT, CONTROL UNIT, & SMALL AMOUNT OF MEMORY, & USED TO INTERPRET & EXECUTE INSTRUCTIONS IN ORDER TO PROCESS RELEVANT DATA AS REQUIRED.
Technical: IN 1968 PDP-7 WAS REPLACED BY PDP-9, WHICH WAS LESS EXPENSIVE & PROVIDED MORE MEMORY. COST OF MEMORY WAS REDUCED BY BY USING 3 WIRES INSTEAD OF 4 THROUGH EACH CORE & MOVING TO 8 K FROM 4 K WORD ORGANIZATION. PDP-9 HAD FIRST USED OF MICROPROGRAMMING IN DEC MACHINE.
Area Notes: Unknown

Details

Markings: BLACK & WHITE LETTERING ON ORANGE GROUND READING "digital PDP-9/ DIGITAL EQUIPMENT CORPORATION/ MAYNARD MASSACHUSETTS"
Missing: UNKNOWN
Finish: FLAT GREY PAINTED CASING SIDES/ BLACK CRINKLE FINISHED CASING BACK & FRONT CASING PARTS/ FLAT GREY & METALLIC COMPONENT CASING FRONTS/ BLACK & WHITE SYNTHETIC CONTROL PANELS WITH WHITE, BLACK & GREY CONTROLS/ COLOURLESS TRANSPARENT SYNTHETIC PARTS/ WHITE TAPE REELS
Decoration: N/A

CITE THIS OBJECT

If you choose to share our information about this collection object, please cite:

Digital Equipment Corp., Computer, circa 1968, Artifact no. 1985.0372, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1985.0372.001/

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