Which Microsoft operating systems support 16 bit device drivers or 32 bit device drivers?
Other than Microsoft Windows what are some examples of operating systems that Microsoft has developed?
For Microsoft windows, they provide a compatibility list for all hardware compatible with their operating systems. You can check it by visiting http://www.Microsoft.com/hcl For most other operating systems, they provide a similar list for hardware compatibility. Variants of Linux like Ubuntu for example have it listed on their website.
How did Microsoft defend its case concerning the company's required installation of Microsoft Internet browsers with all the installations of their operating systems?
Operating systems usually communicate with peripherals using "drivers", which are usually written by the designers\manufacturers of the peripheral. Drivers are essentially programs or processes that the operating system loads which contain the necessary routines and information to make use of the peripheral.