Define addressing mode? State the addressing modes of the following instructions 1. MOV A, B 2. LDA 2500H 3. ANA M

Subject: Microprocessor and Interfacing

Semester: BE Computer Sem-7
Question: Define addressing mode? State the addressing modes of the following instructions 

1. MOV A, B  
2. LDA 2500H  
3. ANA M 

Answer :

The different ways of specifying the location of an operand in an instruction are called as addressing modes.

MOV  A, B      :-  Register Addressing Mode

LDA   2500H  :- Direct Addressing Mode

ANA   M         :-  indirect addressing mode