Answer:
That is a motherboard, a circuit board containing the main components (CPU, RAM, etc) of a computer. It contains connectors in which other circuit boards can be slotted into.
Explanation:
A motherboard is a specialized circuit board (a thin board containing a electrical circuit) used for containing major components of a computer and allowing the parts to be used in conjunction with each other. This is why you'll find a motherboard in a large variety of computers, from phones, to PC's and laptops.
