Memory
| Device | RAM | Cache (L1 / L2) | Disk / Storage / Non-Volatile Memory | Notes |
|---|---|---|---|---|
| Arduino UNO | 2 KB | ❌ None | No Disk; Program is stored inFlash (32 KB); EEPROM (key-value) | No File System |
| RPi Zero (ARM11, single-core) | 512 MB | 16 KB / 128 KB | SD card | Minimal Linux system, no virtual memory |
| RPi 4B (Cortex-A72, quad-core) | 2–8 GB | 32 KB / 1 MB (shared) | SD card / USB SSD | Full Linux computer-on-chip; Paging & Virtual Memory supported |
