List 16-bit registers of 8051.
[3 marks]Define machine cycle & its importance in 8051 microcontroller.
[4 marks]Draw the internal block diagram of 8051 microcontroller. State the main features of 8051 microcontroller.
[7 marks]Define ALU and state its importance.
[3 marks]Write a short note on BCD.
[4 marks]Explain different addressing modes of 8051 with example.
[7 marks]Explain MUL & DIV instructions with example.
[7 marks]Why delay are required in programming?
[3 marks]Explain 8051 timer operation in mode 2 .
[4 marks]Write an assembly language program to continuously blink alternate LEDs connected to PORT 1.
[7 marks]Define bits of IE register of 8051 microcontroller.
[3 marks]Write assembly language program for delay.
[4 marks]Explain subroutine with a suitable example.
[7 marks]What do you mean by stack? Explain in brief w.r.t 8051.
[3 marks]What is software delay? Where it is necessary?
[4 marks]Write a note on TMOD and TCON register.
[7 marks]Discuss tri-state logic.
[3 marks]Explain difference between ADD and ADDC instructions.
[4 marks]State difference between interrupt and polling? Explain external interrupts of 8051.
[7 marks]Draw schematic diagram of 4 to 1 multiplexer.
[3 marks]Explain indirect addressing mode with example.
[4 marks]Explain keyboard interfacing with 8051 microcontroller.
[7 marks]Draw pin diagram of 16 X 2 LCD.
[3 marks]Explain JZ and CJNE instructions.
[4 marks]Explain LCD interfacing with 8051 microcontroller.1
[7 marks]