MPMC QUESTION BANK FOR III-EEE

UNIT-1

1. Define microprocessor and Explain about generations of microprocessors.

2. With neat diagram explain the internal architecture of 8086 microprocessor in detail.

3. Explain special functions of general purpose registers of 8086.

4. Explain register organization of 8086 microprocessor.

5. Explain memory organization of 8086 microprocessor.

6. Explain general bus operation of 8086 microprocessor.

7. Explain minimum mode and maximum mode signals of 8086 microprocessor.

8. Explain about generations of physical address of 8086 microprocessors.

UNIT-2

1. Explain about instruction set of 8086 microprocessors.

2. Explain addressing modes of 8086 with suitable examples.

3. Explain minimum mode operation of 8086 microprocessor with timing diagram.

4. Explain maximum mode operation of 8086 microprocessor with timing diagram.

5. Explain control signal interfacing of 8086 microprocessor.

6. Explain memory Read & memory write timing diagram with neat sketch.UNIT-3

1. What is assembler directive and describe the various Assembler directives?

2. What do you mean by macro? How do you define macro and how do you pass parameters to a macro?

3. Give the assembly language implementation of the following:

(a) While (b) FOR loop (c) REPEAT (d) IF-THEN-ELSE

4. Write ALP to add a data byte located at offset 0500H in 2000H segment to another data byte available at 0600H in the segment and store result in 0700H.

5. Write ALP for addition,subtraction,multiplication and division of two 16-bit data values

6. Write ALP for moving data from one location to another location.

7. Write ALP for move a byte string,16 bytes long from the 0200H to 0300H in the segment 7000H.

UNIT-4

1. Explain architecture of Intel 8255 PPI with neat sketch

2. Explain various modes of operation of Intel 8255

3. Discuss how I/O devices can be interfaced to 8086 microprocessors using 8255.

4. Explain PIN diagram and architecture of ADC 0808 with neat sketch

5. Explain interfacing of ADC with 8086 using 8255 with example program.

6. Explain interfacing of DAC 7523 with 8086 using 8255 and CPU running at 8 MHz and write ALP to generate a sawtooth wave form of period 1ms with Vmax 5V

7. Explain interfacing of DAC 0800 with 8086 using 8255 and CPU running at 8 MHz and write ALP to generate a triangular wave form of period 10ms with Vmax 5V.

8. Explain stepper motor interface to 8086 using 8255 with help of example program.

UNIT-5

1. Explain internal architecture of 8237/8257 DMA CONTROLLER.

2. What is DMA? Explain how 8237/8257 can be interfaced to 8086.

3. What is PIC and Explain architecture of 8259 PIC with diagram?

4. Explain various commanding word and operating modes of 8259.

5. Explain how 8259 can be interface to 8086 with sketch and writ ALP for initialization of 8259.

6. Explain architecture of 8279 KEYBOARD DISPLAY CONTROLLER with diagram and explain modes of operation and status word?

7 .Explain interfacing 8279 with 8086 microprocessor

UNIT-6

1. Explain internal architecture of 8051 microcontroller with neat diagram.

2. Explain Register set of 8051

3. Explain I/O port structure of 8051

4. Discuss memory organization and I/O interfacing of 8051.

5. Explain interrupt structure of 8051 microcontroller

6. Explain different modes of timer operations

7. Explain serial port operation

8. Explain salient features of 8051 microcontroller.

UNIT-7

1. Explain different addressing modes of 8051 microcontroller.

2. Explain instruction set of 8051 microcontroller

3. Write an ALP of 8051 to rotate the bytes in registers R0 to R3

4. With an example explain the basic syntax of 8051 programming

5. by using 8051 programming, show that a set of XCH instructions executes faster than a PUSH and POP when saving the contents of the A registers.

6. Explain about development systems and tools.

UNIT-8

1. What are the important applications of 8051? Explain any one application with 8051 microcontroller

2. With a neat diagram explain the interfacing of 8051 with LED’S

3. Explain about push buttons, relays and latch connections of 8051.

4. With a neat diagram explain the interfacing of 8051 with key board display.

5. Discuss in detail interfacing of 8051 with seven segment display.

6. Explain how can you interface ADC with 8051

8. Explain how can you interface DAC with 8051

ALL THE BEST