ETEE310 ASSIGNMENT1

                                                                      Assignment 1

Last Date :-


Ques 1 = Draw the pin diagram of 8085 Microprocessor.

Ques 2 = Write the function of each pin mentioned below:-

                 (a) RD'           (b) IO/M'             (c) ALE 

                 (d) READY   (e) S0 ,S1          

Ques 3 = Define each instruction given below : 

         

                  (a) XTHL      (b) RAR              (c) DAD        (d) RET

                 

Ques 4 = How many times the loop in following program will be executed, and also explain why ?

                           LXI D 0050H

              LOOP:  DCX D

                           MOV A,E

                           ORA D 

                           XRA A 

                           JNZ LOOP

                       (a) 50        (b) 80        (c) 1         (d) infinite

Ques 5 = Write a program of 8085 for arranging 10 numbers in descending/ ascending order.

Ques 6 = What do you understand by mapping? Design a microprocessor 8085 system having 4Kx8    EPROM, 8Kx8 RAM, one keyboard and one display.

Ques 7 = Draw the timing diagram for MVI A, 50H.

questions-8085

fibonacci seies 8085