Apple Computer plans to announce Monday that it's scrapping its partnership with IBM and switching its computers to Intel's microprocessors, CNET News.com has learned. Apple has used IBM's PowerPC processors since 1994, but will begin a phased transition to Intel's chips, sources familiar with the situation said. Apple plans to move lower-end computers such as the Mac Mini to Intel chips in mid-2006 and higher-end models such as the Power Mac in mid-2007, sources said. The announcement is expected Monday at Apple's Worldwide Developer Conference in San Francisco, at which Chief Executive Steve Jobs is giving the keynote speech. The...