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Personal Printer Data Stream is a general name for a family of page description language used by IBM printers, which includes all Proprinter, Quietwriter, Quickwriter, LaserPrinter 4019, and LaserPrinter 4029 commands. PPDS was introduced to control printers in 1981 with the launch of IBM Graphics Printer 5152.
When looking at IBM stock, the valuation metric that stands out to me is its price-to-free-cash-flow ratio of 18, which measures the company's $215.2 billion market capitalization against the $12. ...
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The IBM 6640 printer was one of the world's first office ink jet printers. [1] It was originally announced as the 46/40 [2] but later renamed as 6640, as part of the Office System/6 word processing range in 1976. [3] IBM claimed the 6640 combined quality printing with a very versatile and efficient automatic cut sheet-paper and envelope ...
The second set of commands send data to be printed on the current line plus a paper movement instruction to the printer. Note that in contrast to the ASA control characters, the IBM machine print control characters ask the printer to firstly print the data on the current line, and then secondly advance the paper.
IBM should pay dividends of at least $6.71 per share next year, adding up to roughly $6.2 billion in total dividend expenses. And these costs are becoming a smaller portion of IBM's growing cash flow.
Carriage control tape on an IBM 1403 printer. One channel punch is visible in this photo. A carriage control tape was a loop of punched tape that was used to synchronize rapid vertical page movement in most IBM and many other line printers from unit record days through the 1960s. The tape loop was as long as the length of a single page.