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.
Rating Newest Oldest. Best Answer: $15 if you use the directions that came with your laptop and replace it yourself. $30 to $150 if you hire a PC geek to do it. We charge $90/hour, minimum 1 hour for on-site service plus cost of the parts.