<Ul> <Li> SGI ended general availability of its MIPS - based SGI Fuel and SGI Tezro workstations in December 2006 . </Li> <Li> Hewlett - Packard withdrew its last HP 9000 PA - RISC - based desktop products from the market in January 2008 . </Li> <Li> Sun Microsystems announced end - of - life for its last Sun Ultra SPARC workstations in October 2008 . </Li> <Li> IBM retired its IntelliStation POWER product line on January 2, 2009 . </Li> </Ul> <Li> SGI ended general availability of its MIPS - based SGI Fuel and SGI Tezro workstations in December 2006 . </Li> <Li> Hewlett - Packard withdrew its last HP 9000 PA - RISC - based desktop products from the market in January 2008 . </Li> <Li> Sun Microsystems announced end - of - life for its last Sun Ultra SPARC workstations in October 2008 . </Li>

Where does most processing take place in a computer