I think that would be the (HDD) Hard Disk Drive! Hope this helps!
Answer:
Booting is a startup sequence that starts the operating system of a computer when it is turned on. A boot sequence is the initial set of operations that the computer performs when it is switched on. Every computer has a boot sequence.
HTTP means Hyper Text Transfer Protocol underlying protocol used by the World Wide Web(www).
usa is the server name which is used address in the DNS record
.gov is the Domain names which are used to identify more then one IP addresses
Agencies/federal.shtml a directory is a collection of file resources also called the resource ID.
Ctrl - and ctrl + i hope that is good for you