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  2. Space bar - Wikipedia

    en.wikipedia.org/wiki/Space_bar

    The space bar is on the bottom center of the keyboard. The space bar, spacebar, blank, or space key, [ 1] Space bar is a key on a typewriter or alphanumeric keyboard in the form of a horizontal bar in the lowermost row, significantly wider than all other keys. Its main purpose is to conveniently enter a space, e.g., between words during typing.

  3. Table of keyboard shortcuts - Wikipedia

    en.wikipedia.org/wiki/Table_of_keyboard_shortcuts

    Alt+Print Screen click "Copy to Clipboard". GNOME [9] Ctrl+Alt+Show Windows then move mouse and click Save screenshot of arbitrary area as file ⇧ Shift+⌘ Cmd+4 then click+drag mouse over required area: ⇧ Shift+Print Screen set the name and click "Save". GNOME [9] Ctrl+⇧ Shift+Show Windows then click+drag mouse over required area

  4. Continuous performance task - Wikipedia

    en.wikipedia.org/wiki/Continuous_performance_task

    Continuous performance task. A continuous performance task, continuous performance test, or CPT, is any of several kinds of neuropsychological test that measures a person's sustained and selective attention. Sustained attention is the ability to maintain a consistent focus on some continuous activity or stimuli, and is associated with impulsivity.

  5. Keyboard shortcuts in AOL Mail - AOL Help

    help.aol.com/articles/keyboard-shortcuts-in-aol-mail

    Keyboard shortcuts make it easier and quicker to perform some simple tasks in your AOL Mail. Access all shortcuts by pressing shift+? on your keyboard.. All shortcuts are formatted for Windows computers, but most will work on a Mac by substituting Cmd for Ctrl or Option for Alt.

  6. Computer keyboard - Wikipedia

    en.wikipedia.org/wiki/Computer_keyboard

    Typing on a laptop keyboard. A computer keyboard is a peripheral input device modeled after the typewriter keyboard [1] [2] which uses an arrangement of buttons or keys to act as mechanical levers or electronic switches. Replacing early punched cards and paper tape technology, interaction via teleprinter -style keyboards have been the main ...

  7. Arrow keys - Wikipedia

    en.wikipedia.org/wiki/Arrow_keys

    WASD (,AOE on Dvorak keyboards; ZQSD on AZERTY keyboards) is a set of four keys on a QWERTY or QWERTZ computer keyboard that mimic the inverted-T configuration of the arrow keys. These keys are most commonly used to control the player character 's movement in computer games. W / S control forward and backward, while A / D control strafing left ...

  8. Tab key - Wikipedia

    en.wikipedia.org/wiki/Tab_key

    When a person wanted to type a table (of numbers or text) on a typewriter, there was a lot of time-consuming and repetitive use of the space bar and backspace key. To simplify this, a horizontal bar was placed in the mechanism called the tabulator rack. Pressing the tab key would advance the carriage to the next tabulator stop. The original ...

  9. QWERTY - Wikipedia

    en.wikipedia.org/wiki/QWERTY

    QWERTY ( / ˈkwɜːrti / KWUR-tee) is a keyboard layout for Latin-script alphabets. The name comes from the order of the first six keys on the top letter row of the keyboard: Q W E R T Y. The QWERTY design is based on a layout included in the Sholes and Glidden typewriter sold via E. Remington and Sons from 1874.