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MICROPROCESSOR 8085 MP 4TH SEMESTER
EXAM/ECE/CSE/IT/EEE/6129/0624/Dec 2010

    Microprocessor 8085 PSBTE Dec 2010 Paper                                                                SECTION-A

Q1. Do as directed.¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬†15×1=15

      I.1 KB is Equal to 1000 Bits (True/False)                                                                                     Solution False Because 1 KB = 1024 Bits

      II. LSI stands for Large Scale Integration .

     III. An Instruction has Two Parts Opcode and Operands (Data).

     IV. Program Counter is  a 16 Bit  Register .

     V. Addressing Capacity of 8085 Microprocessois 65536 byte or 64KB

    VI. 8085 Microprocessor Chip has 40 Number of Pins.

    VII. ALE Stands for Address Latch Enable.

   VIII. The Data Bus and Lower Order Address Bus are Multiplexed.

    VIV.IN and Out are the 1 Byte Instructions.

      X.JMP Instruction is the Example of Immediate Addressing Mode.

                      SECTION-B

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

     I. List Various applications of 8085 microprocessors?

    II. Define Address Bus,Data Bus and Control Bus ?

    III.Differentiate Between Memory Mapped Input output  I/O and I/O Mapped                I/O Scheme ?

   IV. Briefly Describe Various Interrupts of 8085 ?

    V. Load the Hexadecimal Numbers 9B H and A7 H in Registers D & E                                 Respectively Add the numbers and Display the Output at an Output Port ?

   VI. Explain PUSH and POP Instructions ?

   VII. Discuss Various flags of 8085? 

                       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
DEC 2010 DIPLOMA PAPER SOLUTION

Section a:- microprocessor 8085 mp DEC 2010 diploma paper

Solution False Because 1 KB = 1024 Bits

     

LSI stands for Large Scale Integration .

     

An Instruction has Two Parts Opcode and Operands (Data).

     

Program Counter is  a 16 Bit  Register .

     

Addressing Capacity of 8085 Microprocessor is 65536 byte or 64KB

   

8085 Microprocessor Chip has 40 Number of Pins.

   

ALE Stands for Address Latch Enable.

   

The Data Bus and Lower Order Address Bus are Multiplexed.

   

IN and Out are the 1 Byte Instructions.

      

JMP Instruction is the Example of Immediate Addressing Mode.

Section B : Microprocessor PAPER dec 2010 solution here

Applications of 8085 microprocessors

   

Define Address Bus,Data Bus and Control Bus 

   

Comparison Between Memory Mapped Input output  I/O and I/O Mapped  I/O Scheme 

 

Various Interrupts of 8085 

   

Load the Hexadecimal Numbers 9B H and A7 H in Registers D & E Respectively Add the numbers and Display the Output at an Output Port 

   

PUSH and POP Instructions 

  

Various flags of 8085

micropro cessor mp 8085 dec 2010 diploma PAPER

Section c microprocessor 8085 dec 2010 paper SOLUTION HERE

Addressing modes of 8085 

     

Hardware interrupts of 8085 

     

DMA data transfer scheme

     

Explain block diagram of 8255 

      

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