The device had just one button, located in the top corner. Originally designed to work with the Xerox Alto computer system, it was officially called the "X-Y Position Indicator for a Display System." ...

The function keys, or F keys, on a computer keyboard serve as a line of shortcut keys that invoke various actions and ...

A set of input keys on a personal computer or computer terminal. Along with the standard letter keys on a typewriter, computer keyboards have keys for cursor movement and entering commands as ...

Often, computer cases also featured a small LED display showing the CPU's clock frequency in MHz or displaying "HI" or "LO" to indicate the mode in which the CPU was running. The "Turbo" button ...