On Wed, 21 Oct 2015 11:33:34 -0700, JT wrote:
> Intel 8086 microprocessor was released in 1978. What device used the
> 8086 before 8086 was chosen for IBM PC 5150 in 1981 ?
The 8086 was not used for the IBM PC. It used the 8088 (same programmer
architecture, but different bus width and pipeline size).