Question

Which of the following is not a block of an architecture of 80287?

(a) bus control logic

(b) data interface and control unit

(c) floating point unit

(d) none of the mentioned

This question was posed to me in an interview for internship.

This intriguing question comes from 80287 Math Coprocessor -1 topic in section 80286-80287-A Microprocessor with Memory Management and Protection of Microprocessor

Answer 1

The correct option is (d) none of the mentioned

The best I can explain: The three blocks of an internal architecture of 80287 are:

1. bus control logic

2. data interface and control unit

3. floating point unit.