| Subject | English | Chinese simplified |
| comp., MS | dual boot | 双引导 (A computer configuration in which two different operating systems are installed and either can be loaded at start-up) |
| comp., MS | Dual Chinese Search | 简繁中文搜索 (A search feature that allows a user to query on a word in Simplified Chinese and have results returned for that word and also for the same word in Traditional Chinese, or vice versa) |
| comp., MS | dual forking | 双重分叉 (A configuration by which Lync Server or Office Communications Server operates in co-existence with the PBX) |
| comp., MS | dual inline memory module | 双列直插式内存模块 (A type of memory board comprised of RAM chips mounted on a circuit board with a 64-bit data path and pins on each side that are on different circuits and that respond to different signals) |
| comp., MS | dual stack | 双协议栈 (For Windows CE .NET, an IP protocol stack that supports IPv4 and IPv6 independently or jointly. The DNS name resolution may yield both IPv4 and IPv6 addresses. Algorithms are used to determine source and destination addresses, thus determining which stack - IPv4 or IPv6 - to use) |
| comp., MS | dual-tone multiple-frequency | 双音多频 (The signaling system used in telephones with touchtone keypads, in which each digit is associated with two specific frequencies) |
| comp., MS | small outline dual inline memory module | 小型双内联内存模块 (A smaller version of a DIMM used in laptops) |