DEVISOR

computer software in the field of writing specifications and testing performance of other computer software and hardware; [ pre-recorded audio and video tapes featuring information concerning specifications and testing of computer software and hardware ]

printed materials; namely, computer manuals in the field of writing specifications and testing performance of other computer software and hardware, and books and pamphlets featuring information relating to programming languages

teaching in the field of computer hardware and software quality control, testing and validation methods

writing of software and computer system programs for others; conducting quality control in connection with computer software and hardware for others