Wednesday, April 3, 2019

Question Bank for Prelim

Question Bank for Prelim

1
Draw 8051 based system to interface DAC. Write a program to generate triangular wave.
2
Explain the following microcontroller development tools
(1) Assembler  (2) Simulator  (3) Compiler.
3
Draw and explain functional block diagram of 8255 PPI
4
Explain the control word format of 8255 PPI. Write the control word to program all ports as output ports
5
With the help of block diagram explain measurement of power factor.
6
Draw an interfacing diagram and write program for speed control of a stepper motor.
7
Draw a schematic diagram for speed control of stepper motor using 8051 microcontroller
8
Draw interfacing diagram of LCD with 8051. Also explain function of LCD pins.