Computer programming; Computer software consultancy; Computer software design; Computer system design services; Computer systems analysis; Consulting services in the field of design, selection, implementation and use of computer hardware and software systems for others; Installation of computer software; Maintenance of computer software; Provision of search engines for the Internet; Updating of computer software

[ Computer hardware; ] computer software used for conducting functionality, usability, and stability testing of software, hardware, and computer networks; prerecorded magnetic and optical data carriers featuring databases in the field of computer software, hardware, and computer network test cases and computer software for conducting functionality, usability, and stability testing of software, hardware, and computer networks; [ blank magnetic and optical data carriers; ] computer software fea...