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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/Dec 2018

    Microprocessor 8085 MP PSBTE Dec 2018 Paper                                                           SECTION-A

Q1. Fill Do as directed.                                                                                                     15×1=15

  1. EPROM stands for Erasable Program Read Only Memory.  

  2. EEPROM stands for Electrically Erasable Program Read Only Memory.

  3. PSW stands for Program Status Word Register.

  4. PIT stands for Programmable Interval Timer.

  5. The instruction DI is used for Disable Interrupt.

  6. Out instruction requires 10 T-state.

  7. 8085 microprocessor has Five  addressing

  8. 8085 microprocessor has 40 pin.

  9. A nibble is Four Bits

  10. RAM is a Random Access Memory .

  11. ISR stands for Interrupt Subroutine 

  12. ALE stands for Address Latch Enable. 

  13. EI instruction is 1 byte

  14. Trap is a Highest Priority interrupts

  15. RAM stands for Random Access Memory

                      SECTION-B

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

  1. Write a short note on stack Pointer ?

  2. Describe briefly 8257 ?

  3. Explain function of program Counter ?

  4. Explain any one addressing mode in 8085 ?

  5. What is interrupt service subroutine ?

  6. Draw pin diagram of 8085 Microprocessor ?

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

                       SECTION-C

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

  1. Draw and explain block diagram of 8085 ?

  2. Explain various interrupts of 8085

  3. Write a short note on 

           i) 8255

          ii) DMA

      3. Write a short note on the

         1.Assembly language

         2.Instructions set of 8085

microprocessor 8085 mp
dec 2018 DIPLOMA PAPER SOLUTION

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Section a:- microprocessor 8085 mp dec 2015 diploma paper solution

The Data bus in 8085 is ______ bit

8 Bit

A Maximum memory that can be connected to 8085 microprocessor is  ____

64KB

Program Counter (PC) in 8085 is used to point to the address of instruction to be _____

Fetched

EPROM Stands for ____________

Erasable Program Read Only Memory. 

A 8085 has ___________ addressing  mode

Four 

DAA stands for _________________ 

Decimal Adjust Accumulator

____________ is the highest priority Interrupt.

TRAP

DMA means  ______________

Direct Memory Access.

________ instruction is used to output data from SOD Line.

SIM instruction 

BSR stands for ____________

Bit Set Reset Mode.

JK Engineering Classes  BE Paper May 2018 Solution Click Here

Section B : Microprocessor PAPER dec 2015 solution here

Short Note on the special purpose registers of 8085 ?

Special purpose registers of 8085 Click Here.

Explain the function of assembler, compiler and Interpreter. Describe instruction cycle, machine cycle and fetch Cycle What is the basic difference between programmed data transfer and DMA scheme ? Describe the flags of 8085 ?

Solution Click Here

Explain how address and data lines are de-multiplexed in 8085 ?

Solution Click Here

Differentiate between memory mapped I/O and I/O mapped I/O ?

Poor Power Factor

Six important Advantages of Electrical Energy ?

Advantages of Electrical Energy

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microprocessor mp 8085 dec 2018 diploma PAPER

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Section c microprocessor 8085 dec 2018 paper SOLUTION HERE

Explain various addressing modes of 8085 ? Explain various hardware interrupts of 8085 ? What is DMA data transfer scheme? Explain in details ?

 Solution Click Here

Draw and explain block diagram of 8255 ? Draw the Internal Architecture of 8085 and Explain Various Functional Blocks ?
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