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The number of keys on a computer keyboard can vary depending on the type of keyboard. However, the most common layouts are:

Website: https://keytechblog.com/how-many-keys-in-computer-keyboard/

1.     Standard Full-Size Keyboard (often referred to as a "104-key" keyboard):

·       This type usually includes around 104 keys in the US ANSI layout. It has:

·       Alphanumeric keys (letters and numbers)

·       Function keys (F1-F12)

·       Modifier keys (Shift, Ctrl, Alt, etc.)

·       Navigation keys (arrow keys, Home, End, Page Up, Page Down)

·       Special keys (Enter, Spacebar, Backspace, etc.)

·       Numeric keypad (on the right side)

·       Punctuation and symbols

https://keytechblog.com/how-many-keys-in-computer-keyboard/

2.     Compact Keyboards (e.g., 87-key, 88-key, or 89-key):

·       These keyboards have fewer keys, omitting the numeric keypad, and are usually more compact for portability.

3.     Laptop Keyboards:

·       Laptops typically have between 75 and 85 keys, depending on the model and whether they have a numeric keypad.

4.     Tenkeyless Keyboards:

·       These are similar to the full-size keyboard but do not have the numeric keypad, so they usually have about 87 keys.

The key count can vary by layout and region, but the most common "full-size" keyboard has 104 keys.

More Information: https://keytechblog.com/how-to-clean-a-membrane-keyboard/