Digital outputs are typically relay contacts used to start and stop equipment, and analog outputs are typically voltage or current signals to control the movement of the medium (air/water/steam) control devices. Usually abbreviated as DDC.
The average cost of PC repair is $50 to $80 per hour. Typically, PC repair companies donât give a firm quote on the cost of fixing a computer. The job can take one hour.Sometimes it can take three. It can be tough to determine the exact amount of time it will take. Most people pay $100 to $300 for the completed task.he average cost of PC repair is $50 to $80 per hour. Typically, PC repair companies donât give a firm quote on the cost of fixing a computer. The job can take one hour.
Costs for Mac and PC repair vary and are calculated primarily based on costs of both parts and labor. Some technicians repair computers on-site; others require the device to be dropped off at a repair shop. Before calling a technician, check to see if the repair cost is covered by a manufacturer's warranty. Technicians typically charge $50-$100 per hour for labor to work on the computer, but this varies by geographical location. 2  Most jobs can be finished in an hour. 3  Costs for replacement hardware for Macs and PCs vary.