FTONLINE
hot swappable hard drives are drives that can be taken out and replaced while the computer is running. mainly found on servers and network attached storaged devices. All external usb/firewire drives are hot swappable in that you can unplug an external and plug in another external without a problem. This term could also refer to an external hard drive that has hot-swappable drives. For example, you can pull the hard drives out of the external replace them on the fly.
speakers idiots!!
No there is not
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Every time you go on-line, your computer communicates with the computer of your service provider (ISP). The modem in your computer sends a small package of information to the file server of your ISP - this lets the ISP know you're wanting internet access. The technical term is 'handshaking'.
the keyboard
A driver
no
The operating system runs your computer and lets you use it.
Tuner
A media card reader is a slot in your computer or an accessory you can connect to a computer that lets your computer read, edit, etc.. the files on that card.