Microprocessor20815 marksdescriptor cache
What is Descriptor? Explain the use of segment descriptor in physical address conversion in 80286 microprocessor.
What is Descriptor? Explain the use of segment descriptor in physical address conversion in 80286 microprocessor. [5]
A descriptor is a data structure (8 bytes long) stored in memory that contains all the necessary information about a memory segment. In the protected mode of the 80286 microprocessor, segment registers do not hold the physical base address directly; instead, they hold a selector that points to a ...