Download Previous Year Microprocessor 8085 MP PSBTE Dec 2015 Paper at PSBTEPAPER.COM

MICROPROCESSOR 8085 MP 4TH SEMESTER
EXAM/ECE/CSE/IT/EEE/6129/0624/Dec 2011

    Microprocessor 8085 PSBTE Dec 2011 Paper                                                                SECTION-A

Q1. Do as directed.                                                                                                     15×1=15

  1. RAM stands for                 .

  2. The most important register in the arithmetic unit is the

  3. When any interrupt is recognized , the 8085 automatically           the interrupt

  4. The SIM instruction allow us to              the interrupt

  5. The mnemonics used in writing a program is called

  6.                is used to hold the memory address of the next instruction to be

  7. Each instruction contains two parts : operation code (opcode) and .

  8. What is the addressing mode used in instruction LDA  0345   H ?

  9. PPI  stands   for             

  10. The 8253 contains three independent 16-bit .

  11. The normal operation of a microprocessor can also be interrupted by abnormal conditions or special instructions . Such an interrupt is called

  12. Which of the following interrupt is unmaskable interrupt ?

                      SECTION-B

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

  1. Explain what is the function of ALU ?
  2. Explain the basic concept of memory mapping ?
  3. Explain the maskable and non maskable interrupt ?
  4. Explain the instruction cycle and machine Cycle ?
  5. Explain what is 8251 ?
  6. Explain the function of parity flag and carry flag in 8085 ?
  7. Explain the register indirect addressing mode with suitable example ?
  8. What is the difference between RLC and RAR Instruction ?
  9. What are handshake signals?

                       SECTION-C

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

  1. Explain the programmable interval timer
  2. Explain the functions of the following signals of 8085
    1. INTA   INTR

iii. HOLD                                            iv. HLDA

  1. READY
  1. What is DMA data transfer scheme ? Discuss the function of DMA data controller 8257.
  2. Explain what operation is performed when the following instructions are executed :
  3. DAD rp                                         b. DAA
  4. CMA                                              d. CMPM
  5. CMP r
  6. Write short notes on following
  1. Memory Mapped I/o scheme
  2. Evolution of Microprocessor

microprocessor 8085 mp
dec 2011 DIPLOMA PAPER SOLUTION

microprocessor mp 8085 MAY 2018 diploma PAPER

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Download Previous Year Microprocessor 8085 MP PSBTE May 2018 Paper at PSBTEPAPER.COM

MICROPROCESSOR 8085 MP 4TH SEMESTER
EXAM/ECE/CSE/IT/EEE/6129/0624/May 2018

    Microprocessor 8085 MP PSBTE May 2018 Paper                                                           SECTION-A

Q1. Do as directed.                                                                                                     15×1=15

  1. Data bus in 8085 is 8 bit
  2. Maximum memory that can be connected to 8085 microprocessor is  64KB.
  3. Program Counter (PC) in 8085 is used to point to the address of instruction to be Fetched.
  4. EPROM stands for  Erasable Program Read Only Memory. 
  5. 8085 has Four  addressing  mode.
  6. DAA stands for Decimal Adjust Accumulator
  7. TRAP is the highest priority Interrupt.
  8. DMA means  Direct Memory Access.
  9.  SIM instruction is used to output data from SOD Line.
  10.  BSR stands for Bit Set Reset Mode.

                      SECTION-B

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

  1. Describe the special purpose registers of 8085 ?
  2. Explain the function of assembler, compiler and Interpreter.
  3. Describe instruction cycle, machine cycle and fetch Cycle.
  4. What is the basic difference between programmed data transfer and DMA scheme ?
  5. Describe the flags of 8085 ?
  6. Explain how address and data lines are de-multiplexed in 8085 ?
  7. Differentiate between memory mapped I/O and I/O mapped I/O ?

                       SECTION-C

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

  1. Explain various addressing modes of 8085 ?
  2. Explain various hardware interrupts of 8085 ?
  3. What is DMA data transfer scheme? Explain in details ?
  4. Draw and explain block diagram of 8255 ?
  5. Draw the Internal Architecture of 8085 and Explain Various Functional Blocks ?

microprocessor 8085 mp
may 2018 DIPLOMA PAPER SOLUTION

microprocessor mp 8085 MAY 2018 diploma PAPER

MY YOUTUBE CHANNEL
JK Smart Classes Upload Lecture for Degree classes like B.TECH,M.TECH in any stream like ECE,EE,ME and Civil Engineering
JK SMART CLASSES
ER.JASWINDER KUMAR
JK SMART LECTURE
ER.JASWINDER KUMAR
Engineering Classes Upload Lecture for Polytechnic Diploma classes in any stream like ECE,EE,ME and Civil
ENGINEERING CLASSES
ER.JASWINDER KUMAR
er.jaswinder kumar
Senior Lecturer
Our Students say
Hilary Leigh
Developer
Hall Read
Designer
Quintin Angus
Designer
Jillie Tempest
Developer

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