Software Component is a computer application that is useful for carrying out a desired job. This application is needed as a liaison between the brain (brainware) with hardware (hardware). Software also means a computer program that serves to perform special tasks, such as making documents, manipulating photos, making financial reports, or designing a house. Software can be divided into two, namely: System Operation. Software that functions to connect between users and computers, for example Windows 7, Windows 8, Linux, and Windows 10. Application. Software that can be applied to meet user needs. System network adapter drivers, network operations, and network protocols. As for examples of software in online communication, as follows. skype, hangout, web conference, whatsapp, Microsoft excel, video and audio, earlerning
Analysis of the railway network operations safety, with of different obstacles along the route, by the study of Buffon-Laplace type problems: the case of infrastructure with irregular hexagonal lattices