Question

The on-chip cache is used for storing

(a) addresses of data

(b) opcodes and data

(c) data and their addresses

(d) opcodes and their addresses

This question was posed to me in final exam.

This interesting question is from Numeric Coprocessor in chapter 32-bit Processors-80386, 80387 and 80486 of Microprocessor

Answer 1

Right option is (b) opcodes and data

Explanation: The unique feature of 80486 that is not available in 80386 is that the on-chip is used for storing opcodes and data.