149. unix

unix- a commonly used multi-user, multitasking OS.

148. universal serial bus (USB)

universal serial bus (USB)- A type of connection for peripherals for example: scanner, digital cameras, portable memory devices, etc.

147. Uninterruptible power supply (UPS)

Uninterruptible power supply (UPS)- a device which keeps a continuous supply of electrical power to connected equipment by supplying power from a separate source when utility power isn't available.

146. troubleshooting

troubleshooting- a form of problem solving, usually applied to repair failed products or processes.

145. tree pane

tree pane- A tree pane, usually shows a list of what can be displayed in the content pane.

144. toolbar

toolbar- In a (GUI) on a computer monitor a toolbar is a graphical user interface widget on which onscreen buttons, icons, menus or other input or output elements are placed.

143. title bar

title bar- a horizontal label on top of a window, stating the name of the currently active document.