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What happened in history on this day: April 18?
On April 18 in ...
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Personal Computer history:
- 1983 - Osborne Computer introduces The Osborne Executive portable computer. It features 4 MHz Z80A CPU, 128 kB RAM, 7-inch amber monitor, 24x80 text, detachable keyboard, two 204 kB 5.25-inch disk drives, two serial and one parallel ports, CP/M Plus, UCSD p-System, Wordstar, Supercalc, MBASIC, CBASIC, Personal Pearl. Weighing 28 pounds, it is priced at US$2495.
- 1983 - Osborne Computer introduces The Osborne Executive II portable computer. It is like the Executive, and adds a coprocessor board with a 4 MHz 8088 running MS-DOS or CP/M-86, and 630x200 graphics. Price is US$3195.
- 1988 - Dell announces its first PC using IBM's Micro Channel bus.
- 1989 - Quarterdeck Office Systems is granted a patent by the US Patent Office entitled "An Improved Display System and Memory Architecture and Method for Displaying Images in Windows on a Video Display". The technology allows multiple MS-DOS programs to run simultaneously in separate windows.
- 2003 - Intel halts the release of the 3 GHz Pentium 4 with 800 MHz bus, due to an anomoly.
- 2005 - Adobe Systems announces a US$3.4 billion bid to acquire Macromedia.
- 2005 - Intel releases the 3.2 GHz Pentium 4 Extreme Edition 840 processor, with dual cores, each with 1 MB level 2 cache. The processor incorporates 230 million transistors. Price is US$999 in 1000-unit quantities.
Video Game history:
- 2002 - Microsoft announces a price drop on the Xbox in the United Kingdom from 299 pounds to 199.99 pounds as of April 26.
- 2006 - Nintendo releases the Brain Age: Train Your Brain in Minutes a Day! video game for the Nintendo DS in the USA.
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