If you take a closer look at the keyboard, you will find two raised lines or ridges on the F and J keys. Does it make you wonder why there are bumps on the F and J keys on a computer keyboard? This ...

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 ...

The little raised lines or bumps on the F and J keys are tactile markers. Basically, they are there to assist keyboard users in finger positioning without the need for looking down. The mentioned keys ...