Lec:17 | String Instructions in Assembly Language | Microprocessor 8086

String instructions are powerful 8086 Assembly Language instructions used to process arrays and strings of data efficiently.
In this video, you will get a clear and beginner-friendly explanation of string instructions in assembly language, with step-by-step examples.

🔹 Topics Covered in This Video:
What are String Instructions in Assembly Language?
Why string instructions are used in 8086 microprocessor
Role of SI, DI, DS, ES registers
Direction Flag (DF) and its effect
REP prefix and repetition mechanism
Detailed explanation of:
MOVS – Move String
LODS – Load String
STOS – Store String
CMPS – Compare String
SCAS – Scan String
String instruction execution flow
Practical examples for exams, lab & viva

This lecture is essential for understanding:
✔ Data movement operations
✔ Memory-to-memory processing
✔ Advanced assembly programming

🎯 Who Should Watch This Video?
CSE / EEE / ECE students
Students preparing for microprocessor lab & viva
Beginners learning 8086 Assembly Language
Anyone searching “string instructions in 8086 explained”

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