1) Explain the operation of NPN and PNP transistors.
2) Describe the construction and operation of A/D and D/A converters.
3) Describe the architecture of the RAM and ROM with the help of suitable diagram.
4) Describe the working of the synchronous and Asynchronous Counter with the help of state diagram.
5) Sketch the architecture of 8085 and list the functions.
6) Describe the following elements:
a) ALU
b) CPU
c) Control Unit
6) Specify the assembly language program for addition of two 2-digits BCD Number.
7) Describe the instruction set of 8085.
9) Sketch the Block diagram and describe the operations traffic light and stepper motor controller.
10) Describe how microprocessors can be used for automotive applications with a neat sketch.