What are shift keys controled by?

In the days of typewriters, the capital letters were in a lower row on the type bar than the lowercase letters. When you needed a capital letter, you pressed the "Shift" key, which raised the whole...

The key that says "shift"

The Shift key is a modifier key on a standard keyboard. It could have many different functions and usages. Usage: To use it in its normal form, press the shift key down first then press another key...

Because it just makes it easier and faster to type, if you're typing letters on one side of the keyboard.

For quick and easy use of one hand for capitals to save changing the position of both hands to type a capital.