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.
Wages and Qualifications. The average hourly wage for a computer repair technician was $18.53 as of May 2012, according to the U.S. Bureau of Labor Statistics, or $38,550 annually.The top 10 percent made over $28.87 per hour, or $57,960 per year.While many employers prefer hiring computer repair technicians with electronics training in the military or at vocational schools, the minimum requirement for this job is a high school education and some basic certification in computer repair.he top 10 percent made over $28.87 per hour, or $57,960 per year. While many employers prefer hiring computer repair technicians with electronics training in the military or at vocational schools, the minimum requirement for this job is a high school education and some basic certification in computer repair.