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

RAM stands for .
The most important register in the arithmetic unit is the
When any interrupt is recognized , the 8085 automatically the interrupt
The SIM instruction allow us to the interrupt
The mnemonics used in writing a program is called
is used to hold the memory address of the next instruction to be
Each instruction contains two parts : operation code (opcode) and .
What is the addressing mode used in instruction LDA 0345 H ?
PPI stands for
The 8253 contains three independent 16-bit .
The normal operation of a microprocessor can also be interrupted by abnormal conditions or special instructions . Such an interrupt is called
Which of the following interrupt is unmaskable interrupt ?

SECTION-B

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

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

SECTION-C

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

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

iii. HOLD iv. HLDA

READY

What is DMA data transfer scheme ? Discuss the function of DMA data controller 8257.
Explain what operation is performed when the following instructions are executed :
DAD rp b. DAA
CMA d. CMPM
CMP r
Write short notes on following

Memory Mapped I/o scheme
Evolution of Microprocessor

microprocessor 8085 mp
dec 2011 DIPLOMA PAPER SOLUTION

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Section a:- microprocessor 8085 mp dec 2011 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.

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Section B : Microprocessor PAPER dec 2011 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 MAY 2018 diploma PAPER

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Section c microprocessor 8085 dec 2011 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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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

Data bus in 8085 is 8 bit
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.
8085 has Four addressing mode.
DAA stands for Decimal Adjust Accumulator.
TRAP is the highest priority Interrupt.
DMA means Direct Memory Access.
SIM instruction is used to output data from SOD Line.
BSR stands for Bit Set Reset Mode.