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Queue theory is a theory that concerns the mathematical study of queues or rows.  waiting. A queue is a collection of entries or objects waiting for service. Before the patient or  The patient's family registering is expected to take a conventional queue number. This causes the patient  and the patient's family have to queue for a long time. In addition, patients and their families who  registering with a very large number of people there will be a dense crowd. This research design uses quantitative descriptive by using a design assessment questionnaire  physical android based outpatient registration queue number application. Descriptive quantitative method for  produce descriptive data in the form of scoring or assessment of the results of research respondents' questionnaires. The results of this study obtained the physical design of the -based Outpatient Registration Queue Number application  android for Nganjuk Health Center Patients. The physical design of the android-based outpatient registration queue number application at the puskesmas  nganjuk can make it easier to build applications.

Remote temperature monitoring is needed in hazardous area conditions or fast data retrieval is needed without being limited by distance. This condition can be overcome by monitoring and measuring the temperature from a remote location using internet technology that is currently developing, namely the Internet of things. There are many implementations of remote temperature monitoring systems, but the measurement results of these sensors sometimes have very significant differences even for measuring the temperature of the same object. This study aims to analyze the implementation of an effective and efficient remote temperature monitoring system. The temperature measurement process uses the LM35 and MLX 90614 sensors based on Internet of things technology using the Message Queue Telemetry Transport (MQTT) protocol. After obtaining the results of temperature measurements using different sensors, the measurement results are analyzed and compared with standard temperature measuring instruments to obtain an effective and efficient implementation. Based on the analysis, the results of temperature measurements using the MLX 90614 sensor are effective and efficient sensors.