Some Key Terms
| AI | artificial intelligence |
| AR | augmented reality |
| BBS | Bulletin Board System |
| CAD | computer-aided design |
| CBT | computer-based training |
| CPU | central processing unit |
| CRT | cathode ray tube |
| DBS | direct broadcast satellite |
| DDoS | distributed denial-of-service |
| DNS | Domain Name System |
| GUI | graphical user interface |
| HCI | human–computer interaction/interface |
| HMD | head-mounted display |
| IC | integrated circuit |
| ICT | information and communication technology |
| IMP | Interface Message Processor |
| IP | Internet Protocol |
| ISPs | Internet Service Providers |
| LAN | local area network |
| MRAM | magnetoresistive random-access memory |
| NCP | Network Control Protocol |
| OS | operating system |
| P2P | peer-to-peer |
| TCP | Transmission Control Protocol |
| TIPs | Terminal Interface Processors |
| UDC | Universal Decimal Classification |
| UGC | user-generated content |
| VoIP | Voice over Internet Protocol |
| VR | virtual reality |
| WAN | wide-area network |
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