Wednesday, 23 July 2014

System Software Unit 2 Notes


Tuesday, 8 July 2014

CSE 5th Semester Important Books



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Thursday, 8 May 2014

Monday, 28 April 2014

CS2252- Microprocessors and Micro Controllers Important Questions


Some Important Questions
Part A
Give an example for direct and indirect addressing modes of 8085.
What are called as assembler directives? Give two examples.
What is BIOS function call in 8086 ยต p?What is SIM and RIM?    
 List any four data formats
 What are the modes of operation of 8237?
 List the six modes of timer
List the features of the 8251 interfacing
List the interrupts of 8051 microcontroller
 What is baud rate for mode 0 operation of the serial port of 8051?
How address and data lines are demultiplexed in 8085
What is the function performed by SIM instruction in 8085?
How the interrupts can be masked? Unmasked in 8086?
List the interrupts of 8086 microcontroller
List the interrupts of 8051 microcontroller
What is pipelined architecture?
What is instruction cycle?
PART –B
 Explain the different addressing modes in 8085. Give examples.                   
 Write an 8085 ALP program to find the largest 8-bit number                        
 Explain about the Architecture of 8085 with neat Diagram                            
Write an 8085 assembly language program to Addition and Subtraction       
 Draw the architectural block diagram of 8086 and explain.                           
Explain about instruction set of 8086                                                                    
 Explain the interrupt structure of an 8086 microprocessor with 8086   Interrupt-pointer table.                                                                                                               
Explain the different addressing modes in 8086. Give examples.                 
Draw the architecture 0f 8089 I/O processor and explain the need for 8089 I/O Processor                                                                                                         
 Compare closely coupled configuration with loosely coupled configuration                  
 Explain in detail about loosely coupled systems                                                                  
  Draw the internal block diagram 0f 8087 co processor and explain                                    
how do you interface a keyboard and the display using keyboard /display controller (8279)?                                                                                                                                  
Explain in detail about interrupt controller (8259)                                                               
what is DMA? Explain the DMA based data transfer using 8237 DMA controller.                           
Explain in detail about timer (8253/54)                                                                                                                                                                                                             
draw the architectural block diagram of 8051 microcontroller and explain                      
 How to interface and display an LCD with micro controller?                                 
 describe the function of the signals present in 8051                                                   

Explain detail about ADC & DAC              

Submitted by
Karthikeyan, AP- ECE
St.Michael College of Engg. & Tech., 

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