CAD data exchange CAD data exchange CAD data exchange is a modality of data exchange used to translate data between different Computer-aided design (CAD) authoring systems or between CAD and other downstream CAx systems. Many companies use different CAD systems internally and exchange CAD data with suppliers, customers and subcontractors. Transfer of data is necessary so that, for example, one organization can be developing a CAD model, while another performs analysis work on the same model; at the same time a third organization is responsible for manufacturing the product. The CAD systems currently available in the market differ not only in their application
Computer-assisted personal interviewing example of a situation in which CAPI is used as the method of data collection is the British Crime Survey. Characteristics of this interviewing technique are: This form of interview is substantially cheaper when a large number of respondents is required, because: The big difference between a computer-assisted self interview (CASI) and a computer-assisted personal interview (CAPI) is that in the latter an interviewer is present, but not in the former. There are two kinds of computer-assisted self interviewing: a "video-CASI" and an "audio-CASI". Both types of computer-assisted self interviewing might have a big advantage over computer-assisted personal interviewing, because