This document contains instructions for two assignments related to a Microprocessor and Microcontroller course. Assignment 1 contains 3 questions about interfacing memory with an 8086 microprocessor, the internal block diagram of an 8255 PPI, and interfacing an 8254 PIT with an 8086 to generate a 2kHz square wave. Assignment 2 contains 3 questions about interfacing an 8087 NDP with an 8086, interfacing memory with an 8051 microcontroller, and a program to transmit a serial message using an 8051. Both assignments are signed by the course instructor, Prof. Pankaj Taklikar.