# Acronyms and terms

Source: [https://docs.qualcomm.com/doc/80-88500-2/topic/3_Robotics_RB5_acronyms_and_terms.html](https://docs.qualcomm.com/doc/80-88500-2/topic/3_Robotics_RB5_acronyms_and_terms.html)

| Acronym or term | Expansion |
| --- | --- |
| ADSP | Application digital signal processor |
| AI | Artificial intelligence |
| ALSA | Advanced Linux sound architecture |
| AON | Always-on |
| AOP | Always-on processor |
| API | Application programming interface |
| APT | Advanced package tool |
| cDSP | Compute DSP |
| CDT | Configuration data table |
| DSP | Digital signal processor |
| DTB | Device tree blob |
| DTSI | Device tree source inclusion |
| FBE | File-based encryption |
| GCC | GNU compiler collection |
| GDB | GNU project debugger |
| GFX | Graphics |
| GNU | GNU's not UNIX |
| GPIO | General-purpose input/output |
| GPU | Graphics processing unit |
| GUI | Graphical user interface |
| HAL | Hardware abstraction layer |
| HDMI | High definition multimedia interface |
| HLOS | High-level operating system |
| IRQ | Interrupt request |
| LLVM | Low-level virtual machine |
| LPAI | Low-power AI |
| LPASS | Low-power audio subsystem |
| LXC | Linux container |
| MIDI | Musical instrument digital interface |
| MIMO | Multiple-input and multiple-output |
| MIPI | Mobile industry processor interface |
| NNAPI | Neural networks API |
| OE | OpenEmbedded |
| OS | Operating system |
| OSS | Open-source software |
| OTA | Over-the-air |
| PMIC | Power management integrated circuit |
| PRNG | Pseudo-random number generator |
| QEMU | Quick emulator |
| QFPROM | Qualcomm fuse-programmable read-only memory |
| ROS | Robot operating system |
| RPMh | Resource and power management hardening |
| Rx | Receive |
| SDK | Software development kit |
| SoC | System-on-chip |
| Tx | Transmit |
| TZ | TrustZone |
| UART | Universal asynchronous receiver/transmitter |
| UEFI | Unified extensible firmware interface |
| UI | User interface |
| URI | Universal resource identifier |
| USB | Universal serial bus |
| UVC | USB video class |
| V4L | Video4Linux |
| VPU | Video processing unit |
| vSLAM | Visual synchronous localization and mapping |
| WLAN | Wireless local area network |
| XBL | eXtensible bootloader |

**Parent Topic:** [References](https://docs.qualcomm.com/doc/80-88500-2/topic/References.html)

Last Published: Aug 18, 2023

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