Question 1) Describe the 8085 bus structure with a neat sketch.
Question 2) Write down the peripheral I/O instructions. Write down its syntax and describe the same with the timing diagram.
Question 3) Describe the 8086 interrupts types in detail.
Question 4) Describe the 8086 bit manipulation instructions with an example for each.
Question 5) Write down the 8086 program to convert BCD data to binary data.
Question 6) Describe the 8279 keyboard and sisplay controller with a neat sketch.
Question 7) Explain the architecture and working of 8253 timer.
Question 8) Suppose that 5 BCD data items are stored in RAM locations starting at 40H as shown below. Write an 8051 program to find the sum of all the numbers. The output should be in BCD.
40=(71), 41=(11), 42=(65), 43=(59), 44(37)
Question 9) Describe the working of the 8051 microcontroller. Provide a neat and well labelled sketch.
Question 10) Describe how microcontrollers and microprocessors can be used for the washing machine control application. Use sketches.
Question 11) Describe with a neat and well labelled sketch how microcontrollers and microprocessors can be used for the stepper motor control application.