What is the function of compilers and interpreters? how does a compiler differ from an interpreter?

Our primary purpouse as electricians is to do wich of the following core concepts? a: install electrical components in a way they can be upgraded b: install electrical equiptment in a way that reduces heat c: install electrical systems in a safe manner d: only b and c

Which of the following would not be considered a pc? a. mainframe b. desktop c. tablet pc d. laptop

Ideally, the backrest is tilted back slightly, so when you turn the wheel your shoulders are the seat.