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The development of smartphones today is very rapid and can not be separated in everyday life in finding information or making information and in all fields of work requires communication tools to access data and information, it is no wonder in terms of smartphone work being an inseparable part separate, this research I use smartphone especially Android which is currently one of the operational systems that are commonly used by the public especially Indonesia so that it can be used to help team performance in the field in this case Merchandiser in conducting Data Processing Asset Material Promotion Using Qr Code to monitor and control the allocation of promotional material assets in the field to facilitate reporting of promotional material assets. QR Code is a two-dimensional matrix code or barcode that comes from the word "Quick Response", where the contents of the code can be deciphered quickly and precisely, Optimizing the use of applications in this case QR code to facilitate monitoring and control of promotional materials in the field which will help merchandiser to help make it easier to do work in the field and directly connected to the admin computer at the head office, so it will be easy, fast, and accurate.

Backgroud: Nausea and vomiting (emesis gravidarum) are symptoms that often occur in 60-80% Primigravida and 40-60% Multigravida. The causes of nausea and vomiting vary, among others, due to hormonal changes in the body, psychological, to lifestyle. The purpose of this study was to determine the description of knowledge of trimester 1 pregnant women about emesis gravidarum. Methods: This research design uses descriptive research type. The sample of this study was the first semester pregnant women who came to have their pregnancy examined at the Rasoki Labuhan Public Health Center in August 2018, amounting to 30 people. The sampling technique uses accidental sampling. The research instrument was in the form of questionnaire sheets and mother's MCH handbook. Results: Data processing techniques starts from editing, coding, tabulation and finally data analysis. From the total of 30 respondents, 7 (23.3%) data have good knowledge, 16 (53.4%) respondents have sufficient knowledge and 7 (23.3%) respondents who have less knowledge about emesis gravidarum. It is expected that first trimester pregnant women will seek more complete information on emesis gravidarum.