Bzar khidir hussan PhD in Computer Systems, complex and computer networks, I am a Ass.Prof. lecturer for over 19 years at Technical Institute and technical engineering collage, I teach courses on Computer networks, Data structure, Fundamental of Programming with C++ programming, Java , Visual Basic, Information Technology, and Computer Architecture. And used to teach in an MSc course of Information system engineering (object oriented programming and object-oriented design, Bzar's interests include Microcomputer and Embedded systems design, Arduino, programming language,  a microcomputer (PIC Microchip) programming, Graphical programming with LabView- National Instrument,  Computer Hardware maintenance, computer Networks, Window server , Computer Graphics (Photo Shop), Photo Impact & animations (3DMAX 2020).