An Operating System is an application just like any other applications we use on our computers. What makes an Operating System special? What does it do differently? BIOS, Basic Input Output System does manage the hardware in a computer. IF that is the case, why do we need an Operating System? Why do we have to install different Device Drivers for different Operating Systems for a particular I/O device? A process can share all or part of its PCB data with other processes. List and explain two methods can be used to accomplish this task. List the memory units inside and outside of the CPU, along with short descriptions of their purposes