- Alphabet keys (A–Z) for letters.
- Numeric keys (0–9) for numbers.
- Function keys (F1–F12) for shortcuts and special tasks.
- Control keys (Ctrl, Alt, Shift) for modifying commands.
- Navigation keys (Arrow keys, Home, End, Page Up/Down) for movement.
- Special keys (Enter, Spacebar, Backspace, Delete, Esc) for specific actions.
- Types of Keyboards:
- Mechanical: Uses physical switches, durable, preferred by gamers.
- Membrane: Softer keys, quieter, common in office use.
- Wireless: Connects via Bluetooth or RF, portable and clutter-free.
- Ergonomic: Designed to reduce strain and improve comfort.
- Additional Features:
- Backlit or RGB lighting for visibility and aesthetics.
- Multimedia keys for volume, play/pause, and quick access.
- Programmable keys for custom shortcuts.
- Uses: Essential for typing documents, coding, gaming, and general computer navigation.
Would you like me to also create a short comparison table of mechanical vs membrane keyboards to make the differences clearer?

A PC mouse is a handheld input device that allows users to interact with a computer by controlling a pointer on the screen. It typically consists of two main buttons—left and right—for selecting and executing commands, along with a scroll wheel for navigating through documents or web pages.