Sikkim-Manipal University of Health Medical and Technological Sciences (SMUHMTS) 2008 M.C.A Computer S.M.UAssignment s . - university paper

Subject Code : MC 0054 Assignment No: 01
Subject Name : Microprocessor Application Marks: 30

Books ID: B 0070
every ques. carries 6 marks five x six = 30
1. Draw the pin diagram of 8085 and briefly discuss all the pins.
2. Write a program to obtain the smallest number in a block of data starting from XX01, with the size of block stored at XX50. The outcome is to be stored in XX51.
3. Explain the instructions used for masking and unmasking of interrupts.
4. Explain 8255 function with a neat block diagram.
5. Explain hardware controlled serial I/O using programmable chip.



Subject Code : MC 0054 Assignment No: 02
Subject Name : Microprocessor Application Marks: 30

Books ID: B 0070
every ques. carries 6 marks five x six = 30
1. With a neat diagram discuss the functional diagram of 8085.
2. Write a program to display a binary up counter from 00 to FF. The count should increment from 00 to FF. Upon reaching FF, the counter should now continue on counting in the reverse direction from FF to 00. The counter should be incremented or decremented after every one sec.
3. Explain different I/O interfacing methods.
4. Draw and discuss the interrupt structure of 8085.
5. Explain 8279 function with a neat block diagram.

Earning:   Approval pending.