Beyond Microsoft and LinkedIn: Biggest tech acquisitions
By joining forces, the rival chipmakers are hoping to make a bigger dent in the rapidly growing market for wireless devices.
The acquisition helped establish HP's largest maker of personal computers for many years, but the deal has lost its luster as sales of desktop and laptop machines have declined with the growing popularity of smartphones and tablets.
The security software company expanded its storage software capabilities with the buyout.
The computer maker aimed to bolster its technology consulting services, but HP has had trouble retaining customers.
The purchase of the maker of human resources software turned Oracle in to a more formidable rival to SAP in the market for business management applications.
In recent years, Oracle has been contending with a new threat from Workday, a specialist in online personnel services that was started by PeopleSoft founder David Duffield.
The computer maker aimed to bolster its software and services offerings with the buyout, but this deal blew up quickly amid allegations that Autonomy had misled HP about its sales.
The buyout gave Oracle ownership of the Java programming language and catapulted the software company into the hardware business.