• The Scroll lock, which is used to switch between scrolling and non-scrolling modes, is generally the most worthless key. Insert, Pause/Break, Menu, Tilde/Squiggly, and various function keys are among the others.  F1, F2, Cap lock, F3, F6, F7, F9, and F12 are the keys to use.
• the menu key is one of the most underutilised keys on the keyboard. The key's purpose is to make it easier for computer users to open a context menu from the keyboard. This function is simple to carry out with the mouse. Unless the mouse lacks the standard right-mouse button, which is uncommon, the menu key on the keyboard is useless for most users.
• One of the most underutilised keys on a conventional keyboard is the insert key. The key was created to assist computer users in switching between two text-entry modes on a word processor. Many people, on the other hand, hardly utilise the button when operating their laptops.

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