Is it bad to leave external hard drive on for hours

What statement best describes operating systems? it’s possible for modern computers to function without operating systems. most operating systems are free or very inexpensive. operating systems are managed by the computer’s microprocessor (cpu). operating systems manage the computer’s random access memory (ram).

Quick pl which one of the following is considered a peripheral? a software b mouse c usb connector d motherboard

George is working as a programming team lead. which statements correctly describe the skills that he requires?