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Tuesday, October 10, 2017

MODEL_EXAM_TWO_MARKS

                                                       
                                                                  TWO MARKS



  • How is a 20 bit physical address computed in 8086?

  • Can you elaborate on any four string instructions? 

  • What is  modular programming? 

  • Define nonmaskable interrupt? 

  • What  is cycle stealing DMA?

  • Why memory is divided into segments in 8086? What are its advantages.

  • What is the difference between power down mode and idle mode of 8051?

  • What is the use of DJNZ and CJNE instruction

  • With XTAL=11.092 MHz, what value should be loaded into TH1 to have baud rate of 9600

  • List out the alternate functions assigned to port 3 pins of 8051

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