Microprocessor MP PSBTE Diploma Paper May 2019

                 Microprocessor PSBTE Diploma Paper May 2019 

                                     SECTION-A

Q1. Do as directed.                                                                                                                      15×1=15

  1. The ALE signal is used to differentiate between multiplexed address and data

  2. INTR is lowest priority.

  3. SIM stands for Set Interrupt Mask

  4. Size of stack pointer in 8085 is 16 Bit.

  5. 8257 is a DMA Controller.

  6. DAA stands for Decimal Adjust Accumulator.

  7. 8085 operates on a single +5V DC Supply

  8. A nibble is Four Bits.

  9. EPROM stands for Erasable Programmable Read-Only Memory.

  10. LXI H, 2500H is a 3  byte instruction.

  11.  Data bus is bidirectional bus in

  12. PSW stands for Program Status Word Registor

  13. What is the addressing mode used in the instruction LXI B 0345H?                                                                                                                                                                              Solution -Memory Addressing Mode.

  14. A program written in mnemonics is called Assembly Language Program. 

  15. In 8085 PSW consists of

    1. Flag ii) accumulator                  iii) Both                  iv) None of these                                                                                                                                                                                 Ans Both

                       SECTION-B

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

  1. Explain the function of Program Counter ?

  2. What is the need of interrupt? Discuss different types of Interrupt ?

  3. Differentiate between I/O mapped I/O and memory mapped I/O.

  4. Explain the function of PUSH and POP Instruction ?

  5. Briefly discuss the working of 8255?

  6. Explain various steps involved in program 

  7. What is the need of demultiplexing of buses?

                       SECTION-C

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

  1. Draw the pin diagram of 8085 & explain meaning of various

  2. What are the various data transfer schemes? Explain handshaking scheme in

  3. Discuss various addressing modes of

  4. Write a short note on the a) Instruction set of 8085              b) Assembly language

  5. Discuss the evolution, importance and applications of 8085 Microprocessor.

Microprocessor MP PSBTE Diploma Paper May 2019

Section a FILL IN THE BLANKS microprocessor 8085 may 2019 paper

The ALE signal is used to differentiate between multiplexed address and data .

INTR  is lowest priority Interrupt.

SIM stands for  Set Interrupt Mask.

Size of stack pointer in 8085 is 16 Bit.

 

8257 is a DMA Controller.

DAA stands for Decimal Adjust Accumulator.

8085 operates on a single +5V DC Supply

A nibble is Four Bits.

 

EPROM stands for Erasable Programmable Read-Only Memory.

 

LXI H, 2500H is a 3  byte instruction.                                                                         

Data bus is bidirectional bus 

PSW stands for Program Status Word Registor. 

A program written in mnemonics is called Assembly Language Program.

Both                                                                                                

 

Microprocessor Diploma Solved Paper May 2019.Download Previous Year  4th Sem Question Paper Solution Click Here

Section B : Microprocessor 8085 PAPER MAY 2019 PAPER

Function of Program Counter

Need of interrupt

different types of Interrupt 

 

Between I/O mapped I/O and memory mapped I/O.

Function of PUSH and POP Instruction 

 

Discuss the working of 8255

 

Various steps involved in program 

 

Need of demultiplexing of buses

Microprocessor MP PSBTE Diploma Solved Paper May 2019 Solution Click Here

Section c : Microprocessor 8085 PAPER MAY 2019 PAPER

Microprocessor MP PSBTE Diploma Solved Paper May 2019 Solution Click Here

MICROPROCESSOR 8085 DIPLOMA MAY 2019 PAPER

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