The full form of AMS is the Annual Maintenance Contract. It is also recognized as the annual fee for repairs. It is provided after shipment by all manufacturers. It is the term that applies to the manufacturers and the customers. The manufacturer gives its buyers maintenance services for their high – value products. As per the agreement, this type of maintenance may be fee-based or free of cost. When the customer purchases their computer, each computer owner takes this service and afterward, the firm will be responsible for the maintenance and all-around repairs of the system. In specific, agreements of this type are agreed for one year from a time. As per the contract between the two, it can be lengthened by up to 2 or more years. In AMC, the company generally provides the client with support services and costs for the faulty parts of the machine.