test product - Keyboard

a primary input device used to enter text, numbers, and symbols into a computer or electronic device by pressing its keys. It consists of a set of keys arranged in a specific layout, such as the common QWERTY layout, which send electrical signals to the device when pressed. Keyboards have evolved from typewriters and include alphanumeric keys, function keys for specific tasks, navigation keys for movement, and a numeric keypad for faster number entry. 

Function: Keyboards are used for typing text, issuing commands, and navigating through documents or interfaces.

Mechanism: Pressing a key sends an electrical signal to the computer, which the processor interprets to display the corresponding character or perform the requested function.

Components:

Alphanumeric keys: For typing letters, numbers, and symbols.

Function keys: Special keys (like F1-F12) at the top for performing specific tasks.

Navigation keys: Arrow keys, Home, End, Page Up, and Page Down for moving the cursor.

Modifier keys: Keys like Shift, Ctrl, and Alt that change the function of other keys when pressed simultaneously.

Numeric keypad: A dedicated set of number keys for faster data entry.

Layouts: Keyboards come in different layouts depending on the language and region, with QWERTY, AZERTY, and QWERTZ being common examples. 

What is a Computer Keyboard? - Parts, Layout & Functions - Study.com

A computer keyboard is an input device used to enter characters and functions into the computer system by pressing buttons, or key...

what is a keyboard | Lenovo US

A keyboard is an input device that allows you to type letters, numbers, and symbols into your computer or other electronic device.

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Lenovo

Keyboard layout -

A computer keyboard consists of alphanumeric or character keys for typing, modifier keys for altering the functions of other keys,

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