US
| 1 | 2 | 3 | 4 | 5 | 6 | 7 |
|---|---|---|---|---|---|---|
| A | B | U | D | E | F | G |
| H | I | J | K | L | M | N |
| O | P | Q | R | S | T | U |
| V | W | X | Y | Z | ||
| UA | UB | UC | UD | UE | UF | UG |
| UH | UI | UJ | UK | UL | UM | UN |
| UO | UP | UQ | UR | US | UT | UU |
| UV | UW | UX | UY | UZ |
Usability
- the extent to which a system, product or service can be used by specified users to achieve specified goals with effectiveness, efficiency and satisfaction in a specified context of use [1, Sec. 3.4451][2, Sec. 4.16]
References
[1] “ISO/IEC/IEEE International Standard - Systems and software engineering–Vocabulary,” in ISO/IEC/IEEE 24765:2017(E) , vol., no., pp.1-541, 28 Aug. 2017, doi: 10.1109/IEEESTD.2017.8016712.
[2] ISO/IEC 25064:2013 Systems and software engineering — Software product Quality Requirements and Evaluation (SQuaRE) — Common Industry Format (CIF) for usability: User needs report