computer hardware; interface units; customizable and interchangeable input-output modules for use in test and measurement equipment; computer hardware for use in the conversion, signal conditioning and analysis of measurement data; virtual instrumentation software; downloadable or recorded computer software for use in the fields of scientific and engineering data acquisition control and analysis for data acquisition and processing of engineering, scientific, and industrial automation data and for analyzing industrial automation data, and for controlling and emulating scientific and engineering instruments and instrument systems, and for performing instrumentation functions, and instruction manuals sold therewith; recorded and downloadable software and software-hardware interfaces for use in the manufacture, development, control, and distribution of software-defined radios, radio systems and related applications; downloadable and recorded dynamic testing and simulation software, namely, software for real-time testing of electrical, mechanical, or electromechanical systems, as well as hardware in-the-loop simulation; computer hardware, software, and firmware for use in the collection and measurement of engineering, scientific, and industrial automation input/output signals; computer software, hardware and firmware for use in verification and manufacturing test applications used to create, automate, and execute test sequences and to provide data input, report generation, and database integration capabilities for managing test data; computer software and firmware for manipulating digital information resulting from the analog-to-digital (A/D) conversion of physical phenomena and the information resulting from algorithms, tests, simulations, and manipulations operating on the A/D converted data

technical services, namely, the design and development of computer hardware and software, updating computer software, providing computer assistance in the nature of consultation concerning design and development of computer software and hardware and maintenance of computer software via on-line communications, and related consulting services, all in the fields of scientific and engineering data acquisition, control and analysis