Computer hardware for the general purpose instrumentation and general purpose test and semiconductor test industries; automated test equipment comprised of voltmeters, ohmmeters, ammeters, multimeters, power supplies, signal generators, digital pattern generators, and pulse generators; electronic test and measurement devices for use in the fields of electronics, namely, instrumentation used to test technical verification and validation of instrumentation; computer hardware for use in the fields of general instrumentation, general purpose testing, semiconductor test, and measurement and data acquisition; equipment to test communication equipment, namely, oscillators, signal generators and analyzers, logic-signal sources, pulse and data generators, function and arbitrary waveform generators, sweepers, namely, sweeper generators for testing and measuring electronic equipment by means of signal frequency sweep generators and signal sweeping frequency synthesizers that sweep from one frequency to another, spectrum analyzers, logic analyzers, waveform analyzers and oscilloscopes, spectrum analyzers, modulation-domain and time-interval analyzers, hand held testing meters, namely, telephone, cellular telephone, television, cable television equipment testers, light wave testers, power supply testers, interferometers, vibration transducers, probes for remote electronic test, signaling and measurement, cell-site radio frequency (RF) testers, signaling and measurement testers, DC electronic loads, lasers for test and measurement purposes; radio frequency, radar, microwave, and satellite test and measurement equipment, systems, modules and computer firmware and software associated therewith, namely, signal generators, a full line of avionic communication and avionic navigation systems test equipment, and synthetic test systems comprising modifiable configurations of radio frequency, radar, and microwave test and measurement modules and unit under testing interfaces that are controlled with programmable software and integrated through a variety of high-speed communications buses; electronic test, signaling and measurement systems and equipment, namely, oscillators, signal generators and analyzers, logic-signal sources, pulse and data generators, function and arbitrary waveform generators; spectrum analyzers, logic analyzers, waveform analyzers and oscilloscopes; spectrum analyzers; electronic frequency counters; DC voltage and current generators for electronic device testing and measurement; ; data acquisition and control systems comprised of analog and digital signal I/O circuits connected to computers or microcontroller systems or communications networks; computer hardware; computer software for use in testing, signaling and measuring electronic, chemical or biological analytical, optical, semiconductor, network security, engineering, and data acquisition equipment for use in the fields of aerospace, defense, automotive, industrial, medical, and consumer electronics; computer software that performs tests and measurements of acquisition, control, analysis, and display of analog and digital data and for use in the fields of scientific and engineering data acquisition, analysis, monitoring, and emulating scientific and engineering instruments