| Feature | Concurrent | Parallel |
|---|---|---|
| 🧠 Concept | Dealing with multiple tasks at once | Executing multiple tasks simultaneously |
| ⏱️ Timing | Tasks may interleave in time | Tasks actually run at the same time |
| 🧵 Example | A single-core CPU switching between threads | A multi-core CPU running tasks simultaneously |
| 🧠 Focus | Structure of a program | Execution of a program |
| ⚙️ Requires multiple CPUs? | ❌ No | ✅ Yes (or multi-core) |