Create computer programs by using their knowledge of computer science, math, and other disciplines. a.) engineers b.) software designers c.) blue-collar workers d.) computer technicians

try restarting the ps as a whole. i have one and i recently had the same issue, if that doesn't work it may be that your dad need to renew the contract.

explanation:

answer; ///i believe that the correct answer is (copper);

they really not common the os x is just a better version of the os like in iphone theirs xr and their xs