Answer:
C-Motherboard
Step-by-step explanation:
A motherboard is the circuit board which holds and allows communication between electronic components of a system, such as the central processing unit and memory and it is one of the most essential parts of a computer system.
Motherboard allows all the parts of a computer to receive power and communicate with one another and it is the main printed circuit board (PCB) in a computer.
Motherboard allows the CPU, RAM, and all other computer hardware components to communicate with each other.
A computer automatically rebooting after a short period of time means the motherboard need to be change to perform preventive maintenance on the computer