1. As an Engineer you are assign the task to automate a security alarm system for an establishment using INFRARED transmitter and receiver ,

Draw the circuit to implement this and write a simple program in 8051 assembly language.

2. An automobile Firm require the use of a microcontroller to digitally display the fuel level of a motor car at any given time , as a microprocessor based engineer design a circuit that will realize this and write an equivalent program using 8051 assembly language to implement it.