Main circuit board inside a laptop.

Group of LEDs arranged as a unit.

Removable top portion of a keyboard key.

Touch-sensitive pointing device built into laptops.

LED-based illumination for a display.

Mechanical or electronic mechanism detecting key presses.

Semiconductor emitting coherent laser light.

LED used to show hardware status.

Keyboard ability to register multiple simultaneous key presses.

Hardware mechanism producing printed pages with laser technology.