Two Marks Questions with Answers

Two Marks Questions with Answers

Q.1 Write an 8085 assembly language program to subtract two 8-1 numbers.

(Refer lab experiment 3.4.3)

Q.2 The last executable instruction in a procedure must be

Ans. : RET

Q.3 Why do we need look up table ? 

(Refer section 3.3)

Q.4 Write an assembly language program based on 8085 micr instruction set to find the square root of data from 1 to n using look

(Refer section 3.1)

Q.5 What is the recursive procedures?

Ans. : In programming, a recursive procedure is a procedure or routine fl ability to call itself.

Q.6 Write an 8085 assembly program to add two digit BCD numbers locations 5000H and 5001H and store the result in memory location

(Refer lab experiment 3.4.1)

Q.7 Write a program to load the accumulator with the value 82H and c the accumulator 700 times.

Ans. :

MVI B, 0AH ; Initialize outer counter =10

START : MVI C, 46H ; Initialize inner counter = 70

MVI A, 82H         ; Load accumulator with 82H

BACK : CMA ; Complement accumulator

DCR C ; Decrement lower byte of counter

JNZ BACK ; if not 0, repeat

DCR B ; Decrement higher byte of counter

JNZ START         ; if not 0, repeat