What is the function of the "Shift" key?

The "Shift" key serves a crucial function on the keyboard by allowing users to type capital letters and access alternate characters. When pressed in combination with a letter key, the "Shift" key enables the typing of uppercase letters, which is essential for proper grammar and text formatting. Additionally, it can provide access to various alternate symbols and characters that are located on the number row and other keys, allowing for enhanced versatility in typing.

The primary role of the "Shift" key centers around modifying the input of characters, making it foundational for efficient keyboard usage, as it enhances the range of characters that can be created outside of the standard lowercase letters and numbers. This ability to shift between cases and symbols is fundamental to proper typing technique and effective document formatting.