25. 80286 CPU

• Year 1982.

• Introduced protected mode addressing.

• Enhanced with memory protection capabilities with some instructions to control protected mode.

• Runs faster.

• 24-bit address bus.

• 16 MB address space.

• Segmentation in protected mode is different from the real mode.

• Allows the operating system to run multiple processes at the same time.

• The 80286 was the minimum for running Windows 3.1 and higher.

• Backwards compatible.