LINUX OS

Based on the discussion on interrupt, which of the following statements is NOT true? (Chapter 5)

A. The interrupt signal causes the CPU to stop what it is doing and start doing something else.

B. The interrupt vector can only be saved in memory.

C. Before CPU responds to an interrupt request, the program counter of the interrupted process must be saved so that it can be used to restart the interrupted process at a later time.

D. A precise interrupt is defined as an interrupt that leaves the machine in a well-defined state.