Sunday, April 20, 2014

The job at IBM deposited Don Astridg

The first PC | NetCHEIF Blog
The Altair 8800 is indeed "the first personal computer" but his initial stems until then all the computers were produced for commercial purposes. Computers of the 70s of the last century were very expensive, required regular maintenance and expertise that was not available to the user at home. The Altair angus 8800 made it possible for anyone to purchase at a reasonable price of about $ 450, a computing platform based on advanced microprocessor that can be programmed independently.
Basic programming angus of the binary encoding Altair effected when the input switches; performed using two-modes angus (Toggle Switch, top = 1, bottom = 0) and the output is done by LEDs (On = 1, Off = 0). Distance of 35 years how to use this mouse seems very far, keyboard and color monitors that we use today, but at that time it was the conventional way.
Relative to the same period, the Altair computer Roberts was very advanced and all four expansion slots (slots) that enabled the connection of memory expansion cards, serial interfaces (serial) and parallel (parallel) and even backup tape cassettes. Later added interfaces input / output similar to the more advanced sellers today. Picture to the left can be seen in advertising for Altair 8800 when options are available for purchase surrounded by a red square.
The first PC, reminiscent of today's angus computers, it was announced by IBM only six and a half years later - on 12 Aug 1981. IBM decided to develop the PC because of the popularity he received the Altair 8800 personal computer angus developed and followed. At that time IBM was the largest computer company in the world and she feared losing their debut computers these tiny little.
The job at IBM deposited Don Astridg' taken a completely different strategy angus than was customary at IBM at the time - he chose to base the PC on the components angus of other companies and not on proprietary developments of IBM. Beyond the hardware development of the PC, IBM needed an operating system and based on the selected MS-DOS do this, contact was made between Microsoft angus Corporation.
The IBM PC's, came at the time about $ 3,000 (including the screen and one floppy drive), was a great success and is the foundation upon which evolved all the PC industry. Many of the principles on which it is founded are still present in HP PCs today and in 2006 still reported active original PC.
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