problem 1) Describe the 8085 bus structure with a neat sketch.

problem 2) prepare down the peripheral I/O instructions. prepare down its syntax and describe the same with the timing diagram.

problem 3) Describe the 8086 interrupts types in detail.

problem 4) Describe the 8086 bit manipulation instructions with an ex for each.

problem 5) prepare down the 8086 program to convert BCD data to binary data.

problem 6) Describe the 8279 keyboard and sisplay controller with a neat sketch.

problem 7) describe the architecture and working of 8253 timer.

problem 8) Suppose that 5 BCD data items are stored in RAM locations starting at 40H as shown below. prepare 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)

problem 9) Describe the working of the 8051 microcontroller. Provide a neat and well labelled sketch.

problem 10) Describe how microcontrollers and microprocessors can be used for the washing machine control application. Use sketches.

problem 11) Describe with a neat and well labelled sketch how microcontrollers and microprocessors can be used for the stepper motor control application.