Anna University
MICROPROCESSOR AND MICRO CONTROLLER 2012 Important Questions
MICROPROCESSOR AND MICRO CONTROLLER 2012 Important Questions
Subject code : CS2252
Subject Name : MICROPROCESSOR AND MICRO CONTROLLER
Unit I
1 .Discuss the architecture of 8085 processor with a neat diagram
2. Explain the addressing modes of 8085
3. Write an 8085 assembly language program to convert 8 bit binary to ASCII code, assembly language program to add two 2-digits BCD Numbers.
4.Explain the various interrupts of 8085.
Unit II
1.With the neat sketch explain the architecture of 8086 processor ?
2.Explain the classification of 8085 instructions based on its function.
3.Explain on detail about the various addressing modes used in 8086 processor? Give an Example.
4.Explain the following ( I)Procedures (ii)Macros iii) Interrupt service routines.
Unit iii
1.Describe in detail the different multiprocessor configuration.
2.With a neat sketch explain the architecture of 8087 coprocessor.
3.Discuss in detail how communication is established between CPU and IOP.
4.Draw the functional block diagram of 8089 I/O processor and Explain in detail.
Unit IV
1. Draw the Block diagram of DMA controller and explain its operators
2. Draw the Block diagram and explain the operations of 8251 serial communication interface.
3. Explain the 8085 based temperature control system with neat diagram.
4. With a neat sketch how steppe motor can be interfaced with 8085.
Unit V
1.Explain the interrupt structure ,SFR, and timers of 8051.
2. Explain how keyboard can be interfaced using 8051.
3.Describe the architecture of 8051 with a neat diagram
4.Explain how LCD can be interfaced using 8051.
