Computer terminals 53 Remote terminals Electric power distribution 32 Computer networks 9 Remote access 8 Control 6 Electric power systems 6 Internetworking (Telecommunication) 6 Computer network protocols 5 Certification 3 Examinations 3 Automation 2 Automation control systems 2 C# (Computer program language) 2 Design 2 Detectors 2 Distributed processing 2 Electric utilities 2 Electronic data processing 2 Electronic data processing personnel 2 Global system for mobile communications 2 Graphical user interfaces (Computer systems) 2 Local area networks (Computer networks) 2 Microsoft .NET Framework 2 Microsoft Windows NT 2 Object-oriented programming (Computer science) 2 PID controllers 2 Programmable controllers 2 Quality control 2 Voltage regulators 2