Memory Reference Instructions in Computer Organization | COA | Examples Explained

Publicado el: 30 enero 2026
en el canal de: T V Nagaraju Technical

245

In this video, we explain Memory Reference Instructions in Computer Organization & Architecture. These instructions access data stored in main memory and form a major class of instructions in a basic computer.

You will learn how memory reference instructions work, how the opcode and address field are used, and how the effective address is calculated during instruction execution.‪@tvnagarajutechnical9978‬

📌 Topics covered:

What are Memory Reference Instructions
Instruction format for Memory Reference Instructions
Examples: AND, ADD, LDA, STA, BUN, BSA, ISZ
Direct and Indirect addressing
Role in Instruction Cycle

🎯 Useful for CSE / IT students, Computer Organization exams, GATE preparation, and interview revision.
📘 Based on Morris Mano – Computer System Architecture.

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