- ARM Processor Reference Manuals - Registration required, but it's free.
- go to http://infocenter.arm.com/ => ARM architecture => Reference Manuals => ... => registration link (only name, e-mail address and company name are strictly required).
- The UHAPI Forum standardizes hardware-independent application programming interfaces (APIs) for analog and digital televisions, set top boxes, DVD players and recorders, personal video recorders (PVRs), home servers and other consumer audio/video (A/V) devices.
- How traceroute works!
- How DNS works!