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Computer Keyboard: A computer keyboard is an input device that allows a user to input text, numbers, and commands into a computer or other devices. It typically consists of keys for each letter of the alphabet, numbers 0-9, various punctuation marks, and additional keys for functions such as Enter, Shift, Ctrl (Control), Alt (Alternate), and the space bar. computer keyboard Key Types on a Standard Computer Keyboard: 1. Alphanumeric Keys:  These are the keys that include letters (A-Z) and numbers (0-9). 2. Function Keys: Located at the top of the keyboard, usually labeled as F1 through F12, these keys serve different functions depending on the software or operating system being used. Input Device 3. Modifier Keys: Shift: Used in combination with other keys to type uppercase letters and access additional characters. Ctrl (Control): Used in combination with other keys to perform specific functions or shortcuts. Alt (Alternate): Similar to Ctrl, used to create keyboard s...