History of PDP

	Revision 3 . . (edit) December 16, 2001 2:45 pm by (logged).37.81.xxx
	Revision 2 . . July 28, 2001 12:11 am by Hornlo [PDP-8 was 12-bit]
	Revision 1 . . July 27, 2001 11:10 pm by Simon J Kissane

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Difference (from prior major revision) (minor diff, author diff)

Changed: 1c1

Series of computers made by [Digitial Equipment Corporation]?. PDP is an abbreviation for [Programmable Data Processor]? -- they were given that name because at the time of their introduction computers had a reputation of being large and expensive machines, and the PDP was aimed at a market who couldn't afford them.

Series of computers made by Digital Equipment Corporation. PDP is an abbreviation for [Programmable Data Processor]? -- they were given that name because at the time of their introduction computers had a reputation of being large and expensive machines, and the PDP was aimed at a market who couldn't afford them.

Changed: 7,8c7,8

*PDP-6?: timesharing machine (was it 18 or 36 bits?) *PDP-8: 6-bit machine. The first "personal computer".

*PDP-6?: small mainframe, 36 bits. *PDP-8: 12-bit machine. The first "personal computer"; also used in the DECmate word processor.

Changed: 11,12c11,12

*PDP-11: 16-bit machine. The VAX series was descended from it. The PDP-8 and PDP-11 were the most popular of the PDP series of machines.

*PDP-11: 16-bit machine. Also LSI-11, primarily for embedded systems. The VAX series was descended from it. The PDP-8 and PDP-11 were the most popular of the PDP series of machines.