 |  |  |
| DAC | Digital-to-Analog Conventer | 数模转换器 |
| DARPA | Defence Advanced Research Projects Agency of the Department of Defense | （美国）国防高级研究计划局 |
| DB | DataBase | 数据库 |
| DCE | Data Communication Equipment | 数据通信设备 |
| DDE | Dynamic Data Exchange | 动态数据交换 |
| DDN | Digital Data Network | 数字数据网络 |
| DEN | Directory Enabled Network | 目录驱动网络 |
| DES | Data Encryption Standard | 数据加密标准 |
| DHCP | Dynamic Host Configuration Protocol | 动态主机配置协议 |
| DHTML | Dynamic Hyper Text Makeup Language | 动态超文本标记语言 |
| DIMM | Double In-Line Memory Module | （168线内存插槽） |
| DIS | Distributed Interactive Simulation | 分布式交互仿真 |
| DIY | Do It Yourself | 自己动手 |
| DLL | Dynamic Link Library | 动态链接库 |
| DMA | Direct Memory Access | 直接存储器存取 |
| DMI | Desktop Management Interface | 桌面管理界面 |
| DNS | Digital Nervous System | 数字神经系统 |
| | Domain Name Server | 域名服务器 |
| | Domain Name System | 域名系统 |
| DOM | Document Object Model | 文档对象模型 |
| DOS | Disk Operating System | 磁盘操作系统 |
| dpi | dots per inch | 点每英寸 |
| DRAM | Dynamic Random Access Memory | 动态随机存取存储器 |
| DSL | Data Set Label | 数据集标号 |
| | Digital Subscriber Line | 数字用户线路 |
| DSP | Digital Signal Processing | 数字信号处理 |
| | Digital Signal Processor | 数字信号处理器 |
| DSR | Data Set Ready | 数据准备好 |
| DTD | Document Type Definition | 文档类型定义 |
| DTE | Data Terminal Equipment | 数据终端设备 |
| DTR | Data Terminal Ready | 数据终端就绪 |
| DVD | Digital Video Disc | 数字影像光盘 |
| DVR | Distributed Virtual Reality | 分布式虚拟现实 |
| DXI | Data Exchange Interface | 数据交换接口 |
