Answer:
Monthly to annual maintenance, depending on the environment.
Explanation:
Computer systems are electronic devices that has two main part, namely the software and hardware components which are both dependent to each other for a high system functionality or performance.
Lack of maintenance can result to a faulty motherboard, which in turn leads to reduced software performance and at worse a total breakdown of the system.
To prevent this, a monthly or annual maintenance on both software and hardware should conducted to clean up dust from the hardware, optimise memory space and update system operating system.