Computer systems and those professionals that maintain, troubleshoot, program, administer, network, and construct them are central to most every trade. IJCTA publishes articles in the subject of Laptop Science, Computational Arithmetic, Computer Engineering and Scientific Computing, Software Engineering, Neural Networks,Nano Technology,Pure language processing, and Information retrieval, includes Algorithm and Computational complexity; Pc architecture and High performance computing; distributed and grid computing; Human-laptop interaction; Data security; Sample recognition and picture processing; VLSI design and testing; Artificial intelligence; Dependable computing,and so on.