第一章 The general role of an operating system is to: d a
None of the above b
Manage files for application programs c
Act as an interface between various computers d
Provide a set of services to system users Information that must be saved prior to the processor transferring control to the interrupt handler routine includes:b a
None of the above b
Processor Status Word (PSW) & Location of next instruction c
Processor Status Word (PSW) d
Processor Status Word (PSW) & Contents of processor registers One accepted method of dealing with multiple interrupts is to: 选择一个答案 a a
Define priorities for the interrupts b
None of the above c
Disable all interrupts except those of highest priority d
Service them in round-robin fashion In a uniprocessor system, multiprogramming increases processor