Space bar
From Wikipedia, the free encyclopedia
Space bar (or spacebar) is a key on an alphanumeric keyboard in the form of a horizontal bar in the lowermost row, significantly wider than other keys. Its main purpose is to conveniently enter the space, e.g., between words during typing. Users typically use their thumbs to press it. It is large enough so that a thumb from either hand can use it easily.
Depending on the operating system, the space bar used with a modifier key such as the control key may have functions such as resizing or closing the current window, half-spacing, or even backspacing.
In computer games and other applications the key has myriad uses in addition to its normal purpose in typing, such as jumping and adding marks to check boxes.
In certain programs for playback of digital video, the space bar is used for pausing and resuming the playback.
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| Computer Keyboard Keys | |
|---|---|
| Dead keys | Compose |
| Modifier keys | Control · Shift · Alt/Option (Apple) · AltGr · Command/Meta (MIT keyboards) · Windows · Fn (compact keyboards) |
| Lock keys | Scroll lock · Num lock · Caps lock · Shift key |
| Navigation | Arrow · Page scrolling (Page up/Page down) · Home/End |
| Editing | Return/Enter · Backspace · Insert · Delete · Tab · Space bar |
| Misc. | SysRq/Print screen · Break/Pause · Escape · Menu · Numeric keypad · Function · Power management (Power, Sleep, Wake) · Language input |
