Question

The unit that handles the data and directs it to either FIFO or instruction decoder depending on the bus control logic directive is

(a) paging unit

(b) central processing unit

(c) segmentation unit

(d) data interface and control unit

This question was addressed to me during an internship interview.

The query is from Virtual 8086 Mode, The Coprocessor 80387 in division 32-bit Processors-80386, 80387 and 80486 of Microprocessor

Answer 1

The correct choice is (d) data interface and control unit

The best I can explain: The data interface and control unit handles the data, and direct it to either FIFO or instruction decoder, depending on the bus control logic directive.