8051 MICRO CONTROLLER & INTERFACING IMPORTANT QUESTIONS-2019.

MICRO CONNTROLLERS AND INTERFACING

IMPORTANT QUESTIONS

UNIT-1.

ESSAYS:

1.Difference between micro processor and micro controller?

2.Explain the 8051 micro controller development tools?

3.Explain the evaluation of micro controllers?

SHORTS:

4. Write a short note on compiler?

5.Write a short note on simulator?

6.Write a short note on Debugger?

7.Write a short note on Assembler?

UNIT-2.

ESSAYS:

1.Draw the block diagram of 8051 micro controller and explain each block?

2.Explain the architecture of 8051 micro controller?

3.Draw the pin diagram of 8051 micro controller and explain each pin?

4.Explain the memory organization of 8051 micro controller?

5.Explain the interrupt structure of 8051 micro controller?

6.Explain about the timer/counter  mode operation of 8051 micro controller?

SHORTS:

7.Write a short note on register banks and stack?

8.Write a short note on data types and directives?

9.Write a short note on program status word (or)flag register?

10.Draw the special function register  (SFR ) ?

UNIT-3.

ESSAYS:

1.Explain the addressing modes of 8051 micro controller with examples?

2.Explain the instruction set of 8051 micro controller with examples?

3.Explain the timer mode operations of 8051 micro controller?

4.Discuss about time delay generation with example?

SHORTS:

5.Write a short note on Arithmetic instructions?

6. Write a short note on logical instructions?

7. Write a short note on loop & call instructions?

8.Explain the data moving (or) data transfer instructions?

9.Difference between MOV,MOVX,MOVC ?

10. . Write a short note on single bit (or) bit manipulation instructions?

UNIT-4.

ESSAYS:

1.Write an  ALP for  a  largest number in an array?

2. Write an  ALP for  a  smallest  number in an array?

3. Write an  ALP for  8 –bit  multiplication?

4. Write an  ALP for  8- bit division ?

SHORTS:

5. Write an  ALP for   8-bit addition?

6. Write an  ALP for  8-bit addition with carry ?

7. Write an  ALP for  8-bit subtraction ?

8. Write an  ALP for  16-bit  subtraction ?

UNIT-5.

ESSAYS:

1.Explain the PPI interfacing with the 8051 micro controller ?

2. Explain the interfacing  of seven segment display with the 8051 micro controller

3. Explain the interfacing  of LCD display with the 8051 micro controller ?

4. Explain the interfacing  of stepper motor control with the 8051 micro-controller?

5. Explain the interfacing  of 4*3 matrix key pad with the 8051 micro-controller?

6. Explain the interfacing  of DAC with the 8051 micro-controller?

SHORTS:

7.  Write a short note on ADC ?

8.  Write a short note on stepper motor control ?

9.  Write a short note on DAC ?

10.  Write a short note on 8255 PPI ?