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The Xerox Alto is a computer system developed at Xerox PARC (Palo Alto Research Center) in the 1970s. It is considered one of the first workstations or personal computers , and its development pioneered many aspects of modern computing.
Diablo Data Systems was a division of Xerox created by the acquisition of Diablo Systems Inc. for US$29 million in 1972, [1] [2] a company that had been founded in 1969 by George E. Comstock, Charles L. Waggoner and others. [3] [4] The company was the first to release a daisy wheel printer, in 1970. Metal Daisy Wheel for Xerox & Diablo printers
The mid-to-late 1980s saw the spread of laser printers, a "typographic" approach to word processing, and of true WYSIWYG bitmap displays with multiple fonts (pioneered by the Xerox Alto computer and Bravo word processing program), PostScript, and graphical user interfaces (another Xerox PARC innovation, with the Gypsy word processor which was ...
Typos can do more than damage the credibility of a publication. Penguin books in Australia recently had to reprint 7,000 copies of a now-collectible book because one of the recipes called for ...
Jef Raskin's visit to Xerox PARC, known among the American computer industry for the Xerox Alto, in the early 1970s also changed the course of Lisa's development. Raskin would have his student at University of California, San Diego , software engineer Bill Atkinson , convince Steve Jobs to visit PARC, and Jobs would recognize the value of GUIs ...
The 72 PPI pixel size closely approximated the 72.27 points per inch used in the commercial printing industry, so that a pixel in Bravo would be the same size as a typeface point. Bravo was the base for Gypsy , a later document system on the Alto, the first with a modern graphical user interface .
The controller and scanner were common to both models, but the Model 90 used a different print engine based on one developed for the previously announced Xerox 4090 printer. The original DocuTech Production Publisher was capable of scanning and then printing black-and-white pages at up to 135 pages per minutes (for letter or A4 sizes) with an ...
Because the impetus for the RISC-V development was the paucity of open-source processor designs for the RAMP project (both Asanovic and Patterson were PIs), it is fitting that Thacker played a role in this important future technology. Thacker died of complications from esophageal cancer on June 12, 2017, in Palo Alto, California, aged 74. [15]