Fan / cooler
It regulates the temperature of the device
Motherboard
It is the main circuit board in a computer system. It connects all of the internal components, like the memory, processor, graphics card and other hardware. It also provides power to each component and allows them to communicate with each other.
Battery
It is a rechargeable device that supplies power
Screen/monitor
An output device that displays information in pictorial or textual form.
Keyboard
The main way to enter information into your computer
Touchpad
A flat, touch-sensitive device that replaces the mouse, allowing you to control the cursor and perform other actions
Webcam
A digital camera that captures video and audio data and transmits it in real-time over the internet