Not to be confused with Compal Electronics. Compaq (a portmanteau of Compatibility And Quality; occasionally referred to as CQ prior to its final logo) was a company founded in 1982 that developed, sold, and supported computers and related products and services.
Windows Defender is a freeware program designed to protect against spyware and other unwanted software. Windows XP and Windows Server 2003 users who have genuine copies of Microsoft Windows can freely download the program from Microsoft's web site, and Windows Defender ships as part of Windows Vista and 7.
Windows Mobile is a series of operating systems designed for PDA devices and smartphones. This is the only version of Windows to include any version of Microsoft Office bundled with the OS. Microsoft Windows Embedded is a relatively lightweight version of Windows custom tailored to the hardware on which it runs. While closely related to Windows Mobile, Windows Embedded is not targeted at consumer end-user devices.