Assembler language (Computer program language) 1 AutoCAD (Computer system) C (Computer program language) 1 C++ (Computer program language) 1 Computer algorithms 1 Computer architecture 1 Computer-aided design 1 DHTML (Document markup language) 1 Data structures (Computer science) 1 Data transmission systems 1 Document markup languages 1 HTML (Document markup language) 1 JavaScript (Computer program language) 1 Operating systems (Computers) 1 PaintBrush (Computer programs) 1 Software engineering 1 Telecommunication 1