diff --git a/README.md b/README.md
index 88d3e71..0836d96 100644
--- a/README.md
+++ b/README.md
@@ -80,3 +80,25 @@ classDiagram
     Computer --> Program
     Computer --> ProgramCounter
 ```
+
+```mermaid
+sequenceDiagram
+participant Computer
+participant Program
+participant Memory
+participant ProgramCounter
+participant Instruction
+
+Computer -> Program: load(program)
+loop Program Execution
+    Program -> Computer: run()
+    loop Instructions Execution
+        Computer -> ProgramCounter: incPC()
+        ProgramCounter -> Program: getPC()
+        Program -> Program: executeInstruction()
+        Program -> Instruction: execute(memory, PC)
+        Instruction -> Memory: read/write(address)
+        Program -> ProgramCounter: incPC()
+    end
+end
+```