Give a general diagram for a von Neumann machine architecture. Describe a BIOS' hard disk interface. Depict a functional diagram for a typical device controller. Each sector holds512 bytes, each track is divided into 63 sectors, there are 16 heads. Suppose a workstation has a clock cycle of 25mhz, which means that the machine is capable of executing 25 millions basic operations per second.
Some processors save the ia register and psw register on a stack when an interrupt occurs.
2.2 Operating System Architecture Describe the steps involved when an interrupt occurs. Describe the steps involved when a system call is made. Describe the steps involved when a subroutine is called. Describe the steps of a contact switch using a process table. Differentiate between an abstract resource and a physical resource.