If you take a look at your laptop's keyboard, you'll notice that the top row keys have icons printed above, with "F" and a number, like F1, F2, and so on, below each one. These are known as function ...
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Keyboard: Why are there markings on the F and J keys of a keyboard? This idea was patented 23 years ago.
Keyboard F and J Marking Line Use: Whether you're a desktop user or a laptop user, have you noticed something on your system's keyboard? Have you seen the raised lines (marking lines) on the F and J ...
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Keyboard: Why are there small lines on F and J on the keyboard? Have you understood the design?
If you are connected with technology and use a computer or laptop. Then you must have seen small raised marks or bumps on the 'F' and 'J' keys on the keyboard. You may not have even noticed these ...
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