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.
1 An average model for a home PC costs $75-$200 depending on the computer needs. 2  One Intel motherboard that can be used for servers is available at MacMall for $1,350. 3  A model aimed at the needs of gamers costs $380 on Amazon. Motherboards range from $50 to more than $1,000 -- the more expensive models offer faster speeds and more ports. 2  An average model for a home PC costs $75-$200 depending on the computer needs.