| ͺ@ | t@@X@y@ | ϊ@{@κ@σ | Keyword |
| Y | Yokosuka interface | <NTT‘{κΚ€dl> | ²έΐΜͺ°½/NTT |
| Y2K | Year 2 Kilo(2000) | Όο2000Nβθ | κΚ/ΊέΛί°ΐ |
| yacc | yet another compiler compiler | <ϊΜUNIXRpC> | ΏΜΔ³ͺ±/UNIX |
| YDC | Yokogawa Digital Computer | ‘ΝfBW^₯Rs °^ | οΠ |
| YHP | Yokogawa Hewlett Packard | ‘Νq °bg₯pbJ°h | οΠ |