Explain about the projects you have done, have you done them for curriculum or out of interest? What are your favorite subjects? Draw the block diagram, and explain all the components of 8051 micro-controller Difference between Micro-controller and Microprocessor What are Von Neumann and Harvard classifications, which does 8051 belong to? How many bits is data bus and how many is address bus, also if there are 8 lines how many memory locations are present? What are interrupts? Explain in detail what happens in 8051 when there is interrupt, What happens when there is an interrupt within an interrupt? Where is the location of the current line of execution stored when there is an interrupt? Draw basic logic gates Draw half adder without using EXOR gate, draw full adder without EXOR Given an input string, remove spaces and give me output string