This chapter introduced common computing hardware components that the HIT professional must understand to support computing devices in a healthcare environment. Gone are the days when only a few elite people had the skills and knowledge to work with medical equipment and software. Web-based EMR systems hosted locally or by an ASP (private versus public cloud) have become the norm, along with using handheld wireless devices to access these systems. The smallest rural medical practice up to the largest hospitals and research facilities are now demanding a standard of competence from their IT support staff; this is the purpose of the HIT certification.
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