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input devices 
Electronic devices used to transmit data and commands to a computer.
keyboard and pictograms
The keyboard contains a group of keys that correspond to characters and functions; the latter are represented by pictograms.
escape key
Key used to cancel a current operation or to exit a given situation.
e-mail key
Key used to launch e-mail software automatically.
detachable palm rest
Solid or soft accessory attached to the bottom of the keyboard; it is used for resting the wrists while typing.
Internet keys
Keys that control the main operations of an Internet browser (previous page, next page, stop, search, start).
function keys
Keys that control various programmed operations; they vary depending on the software used.
shift key
Key that produces the capital corresponding to a letter or the second character assigned to the key.
control key
Key that is used in combination with another key to execute a command on the keyboard without having to scroll down the menu.
alternate key
Key that is used in combination with another key to produce a character or to execute the function assigned to it.
space bar
Key that inserts a blank space between two words or characters.
alphanumeric keypad
Keys corresponding to letters, numbers, symbols and functions that are used to generate characters or control operations.
capitals lock key
Key that activates or deactivates the continuous keying of capital letters.
tabulation key
Key that moves the cursor to the field or tab stop following or preceding it.
start key
Key activating the Start menu (found only on Windows® operating systems).
indicator lights
Signal lights indicating activation of the capitals lock, numeric lock and scroll lock functions.
numeric lock key
Key that activates or deactivates the numeric keypad.
page down key
Key that displays the next page screen.
insert key
Key that activates or deactivates the overwrite mode; this allows existing characters to be replaced by new characters during data entry.
end key
Key that moves the cursor to the end of a line or a document.
delete key
Key used to delete a selected item or the character immediately to the right of the cursor.
page up key
Key used to display the preceding page screen.
home key
Key that moves the cursor to the beginning of a line or a document.
print screen/system request key
Key used to print a copy of the data displayed on the screen or, along with other keys, to unlock the system.
pause/break key
Key used to pause or stop the current operation.
numeric keypad
Keys corresponding to numbers, mathematical operators and functions that are placed in a specific order to speed up numeric data entry.
cursor movement keys
Keys used to move the cursor around the screen.
enter key
Key used to confirm the execution of a command or, in the case of data entry, to move the cursor to the beginning of the next line.
backspace key
Key used to delete the character immediately to the left of the cursor.
enter key
Key used to confirm the execution of a command or, in the case of data entry, to move the cursor to the beginning of the next line.
