C791 Task 1 Information Management and the Application of Technology C791 Task 1 Information Management and the Application of Technology A1. Usability is how smoothly users can accurately and efficiently perform a task while using a system (EHR Usability Toolkit). An advantage of Cerner EHR is that it is user friendly and all needed information of the health record is organized into tabs. Each tab has a different part of the health record including medical history, lab work, and radiology images. A disadvantage of usability is that there is required downtime. This can cause the end user to delay charting into the EHR and access to vital electronic results. The advantages of Cerners interoperability are that less time is spent searching for information and as a result patient...