Computers; computer hardware; computer software for information technology analysis and data management; computer software for application development; computer software for cloud computing; computer software for artificial intelligence; computer software for block chain technology; computer software used for accessing a global computer network; computer software used for document management; computer software used for data base management; computer software for use in controlling the operation and execution of computer systems, programs, and networks; computer software for linking together computers and for enabling computing across a globally accessible network; computer software for managing hardware, software and processes that exist within an information technology environment; computer systems combining hardware and software for use in management and analysis of data and digital instructional manuals sold as a unit with these; electronic publications on computer media, namely, user manuals, guides, brochures, information sheets, written presentations and teaching materials, in the field of computer, computer network, computer storage, computer operating systems, information technology, database management, cloud computing, artificial intelligence, block chain technology and quantum computing