A.C.Fischer-Cripps, inNewnes Interfacing Companion, 2002 1. Give brief answers to the following questions: (a) How many memory locations (or memory cells) can be addressed by a 8086microprocessorand why? (b) What is the largest (unsigned)hexadecimal numberthat can be stored in one memory ...
An improved memory segmentation system in a microprocessor, for generating a segment descriptor based on a segment selector, comprises an associative descriptor cache 570 to retain previously fetched, unscrambled, and tested descriptors for subsequent access by the same selectors. If on a memory ...
In the case of the 8086, segmentation let Intel's designers extend the maximum addressable memory from 64K to one megabyte. Gee, that sounds good. Why is everyone complaining? Well, a little history lesson is in order to understand what went wrong. In 1976, when Intel began designing the ...