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2. 19-inch rack - Wikipedia

   en.wikipedia.org/wiki/19-inch_rack

   Computer keyboard and monitor mounted on a sliding tray in a rack. The formal standards for a 19-inch (482.6 mm) rack are available from the following: Electronic Industries Alliance EIA-310-D, Cabinets, Racks, Panels, and Associated Equipment, dated September 1992. (Latest Standard Now REV E 1996)

3. KVM switch - Wikipedia

   en.wikipedia.org/wiki/KVM_switch

   Enterprise 1U rack mount KVM showing console and computer ports for DVI and USB (keyboard/mouse) A KVM switch (with KVM being an abbreviation for "keyboard, video, and mouse") is a hardware device that allows a user to control multiple computers from one or more sets of keyboards , video monitors , and mouse .

4. Computer keyboard - Wikipedia

   en.wikipedia.org/wiki/Computer_keyboard

   When inputting at the keyboard, a person should keep the shoulders relaxed with the elbows at the side, with the keyboard and mouse positioned so that reaching is not necessary. The chair height and keyboard tray should be adjusted so that the wrists are straight, and the wrists should not be rested on sharp table edges. [48]

5. Table of keyboard shortcuts - Wikipedia

   en.wikipedia.org/wiki/Table_of_keyboard_shortcuts

   ⇧ Shift+⌘ Cmd+4 then click+drag mouse over required area: Print Screen click+drag mouse over required area, then ↵ Enter : Ctrl+⇧ Shift+Show Windows then click+drag mouse over required area Copy screenshot of arbitrary area to clipboard (Snip) Windows 10: ⊞ Win+⇧ Shift+S: Ctrl+⇧ Shift+⌘ Cmd+4 then click+drag mouse over required area

6. Alt key - Wikipedia

   en.wikipedia.org/wiki/Alt_key

   Instead, keyboard letters and numbers are used. The diagram below shows the special characters a US Mac keyboard will produce when the Option key is pressed. [1] The highlighted orange keys show the accents available from the combination of the Alt key and the keyboard characters e i u (on the top letters row) and ` n (on the bottom letters row ...

7. Fn key - Wikipedia

   en.wikipedia.org/wiki/Fn_key

   The Fn key is a form of meta-modifier key, in that it causes the operating system to see altered scancodes when other keys on the keyboard are pressed. This allows the keyboard to directly emulate a full-sized keyboard, so the operating system can use standard keymaps designed for a full-sized keyboard. However, because the operating system has ...

8. Assistive technology - Wikipedia

   en.wikipedia.org/wiki/Assistive_technology

   On the keyboard shown, the round buttons at the top control software which can magnify the screen (zoom in), change the background color of the screen, or make the mouse cursor on the screen larger. The "bump dots" on the keys, installed in this case by the organization using the keyboards, help the user find the right keys in a tactile way.

9. Ergonomics - Wikipedia

   en.wikipedia.org/wiki/Ergonomics

   The term ergonomics (from the Greek ἔργον, meaning "work", and νόμος, meaning "natural law") first entered the modern lexicon when Polish scientist Wojciech Jastrzębowski used the word in his 1857 article Rys ergonomji czyli nauki o pracy, opartej na prawdach poczerpniętych z Nauki Przyrody (The Outline of Ergonomics; i.e. Science of Work, Based on the Truths Taken from the ...