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Microprocessor 8085 MP PSBTE May 2017 Paper

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MICROPROCESSOR 8085 MP 4TH SEMESTER
EXAM/ECE/CSE/IT/EEE/6129/0624/May 2017

  Microprocessor 8085 MP PSBTE May 2017 Paper                                                           SECTION-A

Q1. Do as directed.                                                                                                    15×1=15

  1. 8085 has 16 address lines.
  2. Stack Pointer (SP) points to the next instruction to be executed. (T/F) True
  3. Accumulator (A) in 8085 is 8 bit Register.
  4. SID pin stands for Serial Input Data in 8085.
  5. INTR is lowest priority Interrupt.
  6. ALE stands for Address Latch Enable.
  7. 8257 is a DMA Controller.
  8. SID and SOD instructions are used for input/ output data
  9. 8251 is a programmable peripheral interface (PPI). (T/F). False
  10. 8085 microprocessor contains  5 Flags.

 

                    SECTION-B

Q2. Attempt any five questions.                                                 5×6=30

  1. Explain PUSH and POP instructions.
  2. Explain the concept of DMA data transfer ?
  3. What do understand by interrupt priority ?
  4. What is a system bus? Explain various types of Buses
  5. Explain flag register of 8085 ?
  6. Differentiate between synchronous and asynchronous data transfer Scheme ?
  7. Explain the instruction format of of 8085 ?

                     SECTION-C

Q3. Attempt any three questions.                                                           3×10=30

        Q3. Explain various processor control instructions of 8085..

        Q4. Draw the internal architecture of 8085 microprocessor and explain it.

        Q5. Explain the function of 8279 keyboard/ display interface chip.

        Q6. What is interrupt driven data transfer? Explain in detail.

        Q7. Write note on any two:

  1. Instruction Cycle
  2. Stack
  3. EEPROM

microprocessor 8085 mp
may 2017 DIPLOMA PAPER SOLUTION

Section a:- microprocessor 8085 mp psbte diploma may 2017 paper

Address Latch Enable

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microprocessor mp 8085 MAY 2018 diploma PAPER

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