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 ...
What makes the F and J keys different? On most standard QWERTY keyboards, the F and J keys have small raised markings that can be felt with your fingertips. These markings are not decorative additions ...
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