When we use auto increment or auto decrements, which of the following is/are true?1) In both, the address is used to retrieve the operand and then the address gets altered2) In auto increment, the operand is retrieved first and then the address altered3) Both of them can be used on general purpose registers as well as memory locations

A machine instruction is a simple program instruction in binary form. It comprises several bytes in memory that tells the processor how to perform one machine operation. The three types of instructions are: memory reference instruction, register reference instruction, and input-output instruction.

Topics include: Addressing Modes, Numbers and Arithmetic Operations, Memory Locations and Addresses, Memory Operations and Management, Instructions & Instruction Sequencing, Assembly Language, Subroutines and Nesting, & Parameter Passing and Stack Frame.