| Subject | English | Portuguese |
| IT | Common Communication Network/Common System Interface | Rede Comum de Comunicações/Interface Comum de Sistemas |
| fin., polit. | Common Communications Network/ Common Systems Interface | Rede Comum de Comunicações/Interface Comum de Sistemas |
| IT | common communications network/common systems interface | rede comum de comunicações/interface comum de sistemas |
| market., IT | Communications network Community programme on trade electronic data interchange systems | Programa Comunitário relativo à Transferência Eletrónica de Dados de Uso Comercial, que utiliza as Redes de Comunicação |
| patents. | communications network systems | sistemas de redes de comunicações |
| patents. | consultancy and advisory services, all relating to computer systems, computer networks, computer hardware, software and computer peripheral devices | serviços de consultoria e assessoria, todos relacionados com sistemas informáticos, redes de computadores, hardware, software e dispositivos periféricos para computadores |
| IT, nat.sc. | Cooperation for Open Systems Interconnection Networking in Europe | Cooperação para a Realização de Redes de Sistemas Abertos de Interconexão na Europa |
| gen. | cooperation for open systems interconnection networking in Europe | Cooperação para a Realização de Redes de Sistemas Abertos de Interconexão na Europa |
| IT | Defence Information Systems Network | Rede de Sistemas de Informação da Defesa |
| gen. | Defense Systems Network | Rede dos Sistemas de Defesa do Pentágono |
| patents. | design and rental of computer hardware, software, computer systems, computer networks, computer peripheral devices and parts and fittings for computers | concepção e aluguer de hardware, software, sistemas informáticos, redes de computadores, dispositivos periféricos de computadores e peças e acessórios para computadores |
| commun. | digital private networks signaling system | sistema de sinalização de redes privadas digitais |
| commun. | digital private networks signalling system | sistema de sinalização de redes privadas digitais |
| immigr., commun. | Electronic Document Imaging System on Network | Sistema Electrónico de Documentação e Informação em Rede |
| immigr., commun. | Electronic Document Imaging System on Network | EDISON |
| energ.ind. | European Network of Transmission System Operators | Rede Europeia dos Operadores das Redes de Transporte |
| gen. | European Network of Transmission System Operators for Electricity | REORT para a Eletricidade |
| el. | European Network of Transmission System Operators for Electricity | Rede Europeia dos Operadores das Redes de Transporte de Eletricidade |
| energ.ind. | European Network of Transmission System Operators for Gas | Rede Europeia dos Operadores das Redes de Transporte de Gás |
| gen. | European Network of Transmission System Operators for Gas | REORT para o Gás |
| health. | Health Surveillance System for Communicable Diseases within the European Public Health Information Network | sistema de vigilância sanitária das doenças transmissíveis no âmbito da rede europeia de informação em matéria de saúde pública |
| patents. | integration of computer systems and computer networks | integração de sistemas informáticos e redes informáticas |
| industr. | intelligent communication network systems | sistema inteligente de redes de comunicações |
| environ. | International Reference Life Cycle Data System ILCD Data Network | rede de dados do ILCD |
| commun. | network access system | sistema de acesso à rede |
| commun., IT | network basic input/output system | sistema de entrada e saída da rede |
| comp., MS | network basic input/output system An application programming interface (API) that can be used by programs on a local area network (LAN). NetBIOS provides programs with a uniform set of commands for requesting the lower-level services required to manage names, conduct sessions, and send datagrams between nodes on a network | NetBIOS (Network Basic Input/Output System) |
| commun. | network control system | sistema de controlo da rede |
| comp., MS, Braz. | network file system | Network File System (A distributed file system that allows users to access remote files and directories on a network as if they were local. NFS is compatible with Microsoft Windows and UNIX-based systems, including Linux and Mac OS X) |
| commun. | network file system | sistema de ficheiros de rede |
| comp., MS | network file system A distributed file system that allows users to access remote files and directories on a network as if they were local. NFS is compatible with Microsoft Windows and UNIX-based systems, including Linux and Mac OS X | NFS (Network File System) |
| comp., MS, Braz. | Network Inspection System | Sistema de Inspeção de Rede (A detection system that helps guard against intrusion attempts targeting known and newly discovered vulnerabilities in network protocols) |
| commun. | network management system | sistema de gestão da rede |
| comp., net. | network operating system | sistema de operação de rede |
| IT | Network Operating System | sistema operativo para rede |
| ed., IT | network operating system | sistema operativo em rede |
| commun., IT | parallel architecture for networking gateways linking OSI systems | arquitetura paralela de gateways de rede a ligar sistemas abertos OSI |
| energ.ind., el. | protection system for an electrical network | sistema de proteção para uma rede elétrica |
| agric., health., anim.husb. | surveillance network system | sistema de rede de vigilância |
| commun. | System Customs Enforcement Network | Rede para a Aplicação Segura das Disposições Aduaneiras |
| tax. | System Customs Enforcement Network | Rede para Aplicação Segura das Disposições Aduaneiras |
| tax. | System for Customs Enforcement Networks | Rede para Aplicação Segura das Disposições Aduaneiras |
| commun., IT | systems network architecture | arquitectura de redes de sistemas |
| IT | systems network architecture | arquitetura de redes de sistemas |
| commun. | Systems Network Architecture protocol | protocolo SNA |
| polit. | Systems Network Engineering and Architecture | Engenharia e Arquitetura das Redes Informáticas |
| IT | unidirectional broadcast system network | rede de passagem de ficha implícita |
| comp., MS, Braz. | username (The name by which a user is identified to a computer system or network. During the logon process, the user must enter the username and the correct password. If the system or network is connected to the Internet, the username generally corresponds to the leftmost part of the user's e-mail address (the portion preceding the | nome de usuário |
| comp., MS | username (The name by which a user is identified to a computer system or network. During the logon process, the user must enter the username and the correct password. If the system or network is connected to the Internet, the username generally corresponds to the leftmost part of the user's e-mail address (the portion preceding the | nome de utilizador |
| commun. | xerox network systems/internet transport protocol | sistemas de redes Xerox/protocolo de transporte Internet |