Uppercase letters are capital letters—the bigger, taller versions of letters (like W), as opposed to the smaller versions, which are called lowercase letters (like w). Uppercase means the same thing as capital. ... We also use an uppercase letter for the first letter of the first word in a sentence.

What is an uppercase letter for a password?

The password must contain at least three character categories among the following: Uppercase characters (A-Z) Lowercase characters (a-z) Digits (0-9)

What is uppercase example?

Alternatively referred to as caps and capital, and sometimes abbreviated as UC, uppercase is a typeface of larger characters. For example, typing a, b, and c shows lowercase, and typing A, B, and C shows uppercase. It's bad etiquette to have everything you type in ALL UPPERCASE CHARACTERS. ...