PCs Glossary: T
time server: A computer designed to give accurate time information for any computer that checks in on the Internet.
toner: A powdery ink substance that comes in a cartridge; used by laser printers.
TOSLINK: A standard optical computer connector that creates high-quality sound reproduction.
tower: A PC configuration that has essentially a full-sized desktop console standing on its side, usually on the floor; includes a lot of room for expansion.
trackball: A kind of upside-down mouse; you use your thumb or index figure to roll a ball on top of the mouse, while the whole contraption stays stationary.