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input devices ![click to hear : input devices click to hear : input devices](../../images/speaker-vert.gif)
Electronic devices used to transmit data and commands to a computer.
capitals lock ![click to hear : capitals lock click to hear : capitals lock](../../images/speaker-vert.gif)
Activation or deactivation of the continuous keying of capital letters.
tabulation left ![click to hear : tabulation left click to hear : tabulation left](../../images/speaker-vert.gif)
Movement of the cursor to the field or tab stop preceding it.
tabulation right ![click to hear : tabulation right click to hear : tabulation right](../../images/speaker-vert.gif)
Movement of the cursor to the field or tab stop following it.
escape ![click to hear : escape click to hear : escape](../../images/speaker-vert.gif)
Cancellation of a current operation or exit from a given situation.
end ![click to hear : end click to hear : end](../../images/speaker-vert.gif)
Movement of the cursor to the end of a line or document.
home ![click to hear : home click to hear : home](../../images/speaker-vert.gif)
Movement of the cursor to the beginning of a line or document.
break ![click to hear : break click to hear : break](../../images/speaker-vert.gif)
Halting of the current operation.
page down ![click to hear : page down click to hear : page down](../../images/speaker-vert.gif)
Display of the next page screen.
page up ![click to hear : page up click to hear : page up](../../images/speaker-vert.gif)
Display of the preceding page screen.
pause ![click to hear : pause click to hear : pause](../../images/speaker-vert.gif)
Momentary pause of the current operation.
insert ![click to hear : insert click to hear : insert](../../images/speaker-vert.gif)
Activation or deactivation of the overwrite mode; this allows existing characters to be replaced by new characters during data entry.
numeric lock ![click to hear : numeric lock click to hear : numeric lock](../../images/speaker-vert.gif)
Activation or deactivation of the numeric keypad.
delete ![click to hear : delete click to hear : delete](../../images/speaker-vert.gif)
Deletion of a selected object or character immediately to the right of the cursor.