The First Real Personal Computer

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The First Real Personal Computer

Postby crustyasp46 » Sun Apr 12, 2015 1:36 pm

To the best of my knowledge, this is the first real personal computer - 1965 :

dac-pg1.jpg
The first personal computer - Sales Brochure, page 1, 1965. I designed this machine, and did most of the early programming for it. At the heart was a 1 bit full adder, which did a serial operation on a 4 bit excess 3 decimal digit. A floating add took about 8 millisecs.
dac-pg2.jpg
Page 2 of the 1965 brochure, mainly advertising hype.
dac-pg3.jpg
Page 3 of the 1965 brochure, describing features and with a sample program.
dac-pg4.jpg
Page 4 of the 1965 brochure, with sample applications and specifications. The memory consisted of 2048 4-bit words in core memory, with a cycle time of about 10 microsecs. Logic was DTL (diode/transistor) implemented with a single ceramic r/c network package, discrete transistors, and diodes. All PC boards were single sided.
pick-pg1.jpg
By 1967 we had severe cash flow problems, and sold out to Picker Nuclear. Picker had an in-house application. This is the cover page of their reworked brochure.
pick-pg2.jpg
Page 2 of the 1967 Picker brochure. This and page 3 are the only meat. Picker reworked the sales brochure and generally dumbed it down. The general sales effort was effectively ended.
pick-pg3.jpg
Page 3 of the 1967 Picker brochure. What this doesn't show is that we had added the capability of using an ASR33 Teletype as the terminal, allowing printed output and tape loading and data input
pick-pg4.jpg
Back cover of the 1967 Picker brochure.


My Resume

Charles B. Falconer
66 Bay Woods Rd.,
Bristol, ME 04539
Objective:

Senior Software Engineer. Interesting Position developing software and/or embedded systems. Improvements/correction of existing software acceptable.

Skills:

Computer Programming and Hardware, Systems Programming,
Assembly language, C, C++, Pascal, others.
Hardware/Software integration.
Communications Systems, Embedded Systems.

Experience:

2002- Retired.

Various public domain and free licensed packages.


2000-2001 Otis Elevator, Farmington, CT.
Consultant

Created Communications drivers on a system running PSOS. The drivers were written in ANSI C as an addition to an existing system. The linkage between the old and new modules was minimized.

These drivers interfaced and responded to a pre-existing protocol, with various timing restrictions, while reporting to application level processes.

Created various ancillary software tools.

1988-1999 American Payment Systems, Hamden, CT.
Programmer

Created embedded systems and sub-systems using Verifone terminals and support software. Applications programmed solely in C. Support software in various languages. Upgraded systems for Y2K failings.

1998-1998 Baran Institute, Windsor, CT

Not germane to this application. Teaching electronics to rank beginners.

1990-1995 Non-Profit Environmental organization, New Haven, CT
Field Manager

Not germane to this application. Lobbying/fund-raising.

1989-1996 Consultant

Implemented the control system for a microwave communications system using Microchip PIC and various PLAs (Programmed logic arrays). Created a pseudo-concurrent system on this chip that allowed software flexibility, modularity, and maintainability.

Created general purpose forms system for Unix and PCs in ANSI standard C, as a module called by a database application. This filled multiple forms and ensured consistency. It involved a graphics form image with a language (created) to describe entries and their formats, interconnections, and limits, together with print drivers.

Created an i/o driver for Windows NT - card reader/cash register

1987-1989 D.S. Davidson Co., North Haven, CT
Engineer/Programmer

Created minimized (VERY low cost) hardware and software to read a non-standard phase encoded tape written by an existing system.

Created a remote nuclear radiation detection and analysis system, controlled over RS232 lines (e.g. modem) which presented displays on the master PC system. This involved on-the-fly data compression/expansion for transmission (using LZW compression) which decreased transmission time by a factor of 4.

1986-1987 Consultant

Corrected and documented Municipal software in COBOL

Rewrote payroll system operating under a database, eliminating data loss under system failures, annual rewrites for such things as tax rates (incorporated into data base) and isolation of software modules for future maintenance.

1974-1986 Yale University New Haven, CT
Chief Instrumentation Engineer, School of Medicine.

Responsible for all systems for laboratory medical tests and data processing in conjunction with main-frame database.

Designed a flexible bus-based microprocessor system (8080) with ancillary cards (Note - 1974, when no such systems could be bought). Reliability and cost were primary objectives.

Created all system software, including ROM based operating system, assemblers, compilers, linkage editors, etc. The compiler met ANSI/ISO standards and operated on both the mainframe and the micro system. Output code operated free-standing (the usual ROM based embedded installation without any disks) and under an operating system with binary interchangeability.

Applications under this system included:

Message Distribution, mainframe to 50+ printers
Data Collection system, remote to mainframe
Chromatograph reduction system,
Electrolytes testing and reduction
Glucose/Protein testing and reduction
Coulter counters data reduction.

Education: McGill University, Honors Mathematics and Physics.

Note: Deleted personal links from resume

Source:
Code: Select all
http://www.classiccmp.org/cpmarchives/cpm/mirrors/cbfalconer.home.att.net/firstpc/index.htm
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Re: The First Real Personal Computer

Postby Dragon Mech » Mon Apr 13, 2015 7:39 pm

i took the pictures of both brochures and made PDF files of them.

DAC_512.zip
DAC-512 Brochure
(823.59 KiB) Downloaded 261 times

PN_DAC_512.zip
Picker Nuclear DAC-512 Brochure
(662.31 KiB) Downloaded 262 times


Note: the program i used to convert the pictures to pdf has set the default zoom for these files to 404%.
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