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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.

Electrical equipment plays an important role in everyday life, from households, schools, hotels, offices, to industrial environments. Because it really helps humans in making work easier. The need for automated tools to facilitate human activities, makes the need for smart chips or microcontrollers increasing. A new breakthrough in the world of microcontrollers with the application of Arduino.Especially at SMPN 10 Salatiga, there are fish ponds and garden lights, which you forget to feed or not, while the officers forget to turn off the lights, causing the fish to die and the lights stay on even though it is noon. This study tries to implement Fish Feed Control and  automatic garden lights on and off using Arduino and scheduling, this is so that the fish stay healthy   and the garden lights can turn on or off according to the schedule desired by management. The author designed a garden lamp and automatic fish feed based on a case study at the school. The tool is designed with three sources of tool control. The first manual is pressing the fish feed manual button, the light switch and the reset button. Both semi-automatic, as a fish feeder, light ON/OFF and reset remote control with the Android application. The third auto is scheduled feeds and lights. This tool is designed to manage fish feed and garden area lighting. This tool is practical to use, inexpensive, useful, flexible and easy to build. The classification of this tool is sufficient for the needs of the school garden. Among the advantages of this tool is that it can be controlled remotely effectively 25 m without a hitch using the android application. The author hopes, this tool provides benefits and solves problems in schools.

Kecamatan Bandungan merupakan wilayah di Kabupaten Semarang dengan komoditas hasil pertanian yang melimpah.  Pusat pemasaran hasil pertanian di daerah ini adalah Sub Terminal Agrobisnis Jetis. Secara kultural petani biasanya memasarkan hasil pertaniannya dengan dua cara, yaitu pasca panen dan pra panen. Permasalahan pemasaran yang dihadapi para pelaku agribisnis di daerah ini diantaranya adalah sulitnya calon pembeli (pedagang) dan calon penjual (petani) untuk saling menemukan pada saat saling membutuhkan untuk bertransaksi. Survei APJII (Asosiasi Penyelenggara Jasa Internet Indonesia) menunjukkan bahwa perangkat akses internet paling banyak digunakan di Jawa Tengah adalah perangkat mobile. Kondisi tersebut tidak ada pengecualian pada kebanyakan masyarakat di Kecamatan Bandungan. Setiap kepala keluarga di wilayah ini sebagian besar telah memiliki akses internet dengan perangkat mobile (smartphone). Berdasarkan temuan masalah dan potensi yang ada, peneliti melakukan sebuah penelitian rancang bangun E-Commerceb B to B berbasis web mobile yang bertujuan menjadi portal informasi agribinis yang memudahkan petani dan pedagang di wilayah ini untuk menyebarkan dan mencari informasi hasil pertaniannya, baik yang membutuhkan produk maupun yang memiliki produk pertanian. Bentuk ­E-Commerce yang dimaksud dalam penelitian ini adalah listing iklan produk pertanian oleh petani dan iklan kebutuhan produk pertanian oleh pedagang. Penelitian-pengembangan ini dikerjakan dengan metode R&D Sugiono, sedangkan pemrogramannya dikembangkan dengan pattern MVC CodeIgniter dan menggunakan antarmuka web-mobile jQuery mobile pada bagian GUI-nya. Penelitian ini menghasilkan propotype sistem Ecommerce  berbasis web mobile yang telah diujikan secara terbatas pada Personal Computer(PC) dan smartphone Android dengan pengguna dari kalangan aktor admin, petani, dan pedagang. Hasil pengujian secara fungsional menunjukkan bahwa sistem bekerja dengan cukup baik pada perangkat PC maupun Smartphone Android. Hasil penilaian rata-rata dari aktor yang dilibatkan dalam pengujian semuanya diatas 30 dari skala penilaian 1-40. Artinya secara umum sistem ini sudah bekerja dengan baik dan bisa diterima oleh semua kalangan calon pengguna.

The AWD Mranggen store is a store that is engaged in the sale of bags, belts, shoes with sales developments increasing from year to year, with fairly tight business competition, the AWD Mranggen store must be able to calculate the estimated number of items to be purchased based on previous sales data, the prediction is very influential on the decision to determine the number of items to be provided by the AWD Mranggen Store for the next sales period data. Inventory of goods that are not right cause some losses in terms of time and also costs, it is necessary to have a forecasting system. Forecasting is a technique to identify a model that can be used to predict conditions in the future. By using the weight moving average method, it can be seen that the error value is more than smaller than other methods and the estimated results can be more precise so that it can help owners make decisions in carrying out inventory.

This research was carried out by comparing the DS18B20 sensor and the MLX 90614 sensor to detect the accuracy of detecting human body temperature which is used to detect Covid 19 symptoms. In this experiment, 10 trials were carried out with different human segments detected using the sensor. In the experiment, it was found that the MLX90614 sensor is more suitable to be used for development with an IoT-based system because it does not need to come into contact with the skin of the human body. The MLX90614 sensor will detect the temperature and change it to one Celsius unit then send it to the firebase database which will then be picked up by the android application which is held by the security officer so that the temperature can be known remotely. When the temperature is more than 38.5 Celsius it will turn on the buzzer sound which can be heard from a distance which indicates the temperature is above 38.5 Celsius and on android will also display a danger sign

Disrupsi teknologi yang besar-besaran saat ini selain berdampak positif juga berdampak negative,dampak ini terlihat terhadap anak-anak yang mempunyai kecenderungan untuk tidak peduli dengan sosial budaya. Bahasa Jawa yang memiliki Aksara Jawa salah satu yang berdampak, Aksara Jawa hanya diajarkan 1-2 jam per minggunya tingkat SD sampai SMA/sederajat, hanya membaca buku dan lermbar kerja siswa (LKS) yang menimbulkan kebosanan dan tidak menarik belajar Aksara Jawa. Penelitian ini mengusulkan aplikasi berbasis android untuk belajar Aksara Jawa untuk mendukung belajar mandiri bagi anak Sekolah Dasar (SD) pada masa pandemik saat ini dengan menyajikan materi gambar, animasi dan permainan dengan memanaatkan algoritma shuffle random. Hasil penelitian menunjukkan aplikasi mengenal Aksara Jawa ini telah memenuhi kebutuhan sebagai alat bantu belajar mandiri, mampu membuat pengajakan pada quiz yang diberikan dan hasil pengujian black box semua fitur yang ada di aplikasi berjalan sesuai fungsinya.

Jamur tiram (Pleurotus ostreatus) merupakan komoditas pangan yang sangat diminati masyarakat selain kandungan nutrisinya yang tinggi jamur tiram juga dapat diolah menjadi berbagai ragam makanan, Jamur tiram tumbuh baik pada temperatur 16 - 30°C dan kelembaban relatif 80 – 95%, Intensitas cahaya yang optimum bagi jamur tiram yaitu intensitas cahaya rendah, atau bahkan tanpa adanya cahaya. Akan tetapi, pada saat fase tubuh buah dewasa jamur tiram tidak dapat tumbuh pada kondisi cahaya gelap, melainkan dapat tumbuh dengan optimal pada lingkungan yang agak terang. Menyikapi masalah diatas maka dari itu penulis ingin mencoba melakukan percobaan penelitian dengan menerapkan pencahayaan dalam ruangan (box) dengan tiga jenis warna lampu yaitu merah (Red), hijau (green) dan biru (blue). dan perlu adanya suatu alat yang dapat melakukan monitoring, serta pendataaan pertumbuhan tanaman jamur tiram yang kemudian akan diambil datasetnya. Alat monitoring dan pendataan secara realtime dengan menggunakan multi sensor berbasis arduino untuk pendataan pertumbuhan jamur tiram ini dibuat sistem aplikasi android sebagai media untuk pemantauanya, data yang ditampilkan di aplikasi monitoring adalah hasil pembacaan dari beberapa sensor yang dipakai antara lain dari sensor load cell, sensor ultrasonik, serta sensor LDR dan sensor DHT11, Sistem monitoring dan pendataan multi sensor ini juga memiliki fitur untuk melakukan penyimpanan data, hasil data disimpan di penyimpanan internal smartphone, sehingga dari data tersebut dapat digunakan sebagai bahan untuk mengambil keputusan dari obyek yang sedang dimonitoring tersebut.

ABSTRACT The use of mobile devices with the Android operating system which are used as supporting media and supplements in improving learning outcomes combined with demonstration methods and discovery learning or demon-disco learning is needed to help students improve learning outcomes in hydroponic plant cultivation vocational competency subjects at SMK. Kristen Terang Bangsa, because the use of android-based applications can provide new experiences regarding the use of information and communication technology, as well as provide opportunities for students to be able to learn more independently. The concept chosen as a learning medium is to present material about understanding, introduction to parts, types, and quizzes containing questions about hydroponic cultivation of plants. This research uses the Research and Development (RnD) product development method, using 6 out of 10 research stages, namely potentials and problems, data collection, product design, design validation, design improvement, product testing. The result of this research is to produce learning media in the form of android-based applications. The validity value of the media expert is 2.6 which is declared feasible, while the validity value of the material expert is 3.6 which is declared feasible, and is able to increase the average value in the hydroponic plant cultivation vocational competency subject at the Terang Bangsa Christian Vocational School which Initially 67 (with 13 students who had not reached the KKM) to 80 (with 4 students who had not reached the KKM).

The purpose of this thesis is to produce tangible results in providing comfort or convenience in controlling electrical appliances, including turning on or off lights at home and controlling other electrical appliances. The method used in making the Design of Control System for Electrical Equipment Using Bluetooth Based on the Atmega 328 Microcontroller is a prototype. This research method consists of several stages, library research, analytical methods, design and implementation methods. The results achieved are reducing the number of fires due to electrical short circuits and increasing aspects of comfort and convenience for users as well as people with disabilities and the elderly, who find it difficult to stand or to reach lights and the implementation of infrastructure devices, where a series of these tools can work after bluetooth devices are available in the community. android smartphones. connected to the bluetooth module connected to the arduino microcontroller. Basically, using the principle of this tool, the user must be able to operate a smartphone based on the Android operating system. The conclusion is that this equipment has been tested and can be used as a controller of power tools with a lightweight android smartphone via a Bluetooth connection without having to press the switch button.

Presence is an activity that aims to determine the level of attendance of a person in an agency, school or company. One of the problems that occurs is the student attendance system at STMIK Rosma Karawang due to cheating when making attendance at lecture activities begins. By looking at the problems contained in STMIK Rosma Karawang, a program is needed. To create a program requires a method. The method used is a waterfall as a software development method. The proposed database design is a DFD (Data Flow Diagram). Implementation of the program using Android Studio. With the design of the program is a solution to solve problems that exist in the presence system at STMIK Rosma Karawang, and can achieve an effective activity in supporting activities at STMIK Rosma Karawang.

Perkembangan teknologi semakin maju, kemajuan perkembangan ini dapat memberi keuntungan kepada masyarakat seperti perkembangan pada bidang Kesehatan seperti pada penelitian ini yang membuat aplikasi monitoring kadar gula darah dan tingkat dehidrasi dengan menggunakan MIT App Inventor. MIT App Inventor sendiri merupakan aplikasi web sumber terbuka yang dikembangkan oleh google. Dalam pembuatan aplikasi di MIT App Inventor programnya menggunakan blok-blok yang sangat mudah. Aplikasi ini dapat memonitoring kadar gula darah dan tingkat dehidrasi karena terdapat bantuan dari Bluetooth hc-05 yang berfungsi sebagai komunikasi data pengiriman data monitoring dari Arduino ke android.

Assessment of employee performance is expected to know precisely the success in completing work. Employee performance appraisal is also useful for companies in providing feedback to employees and can be used as a basis for agencies to evaluate employee performance. Most government services currently utilize information technology as an information service to the public and the agency's internal services. In institutions, it is necessary to increase and develop the capabilities, knowledge and skills of its human resources, so that it is expected to be able to produce apparatuses that have competitive competencies. Therefore, the authors designed and built an employee performance appraisal system which was implemented using Electre and Web-based and Android methods. It is expected to be able to assist agencies in evaluating employee performance so that they can remain consistent in carrying out their duties as Civil Servants (PNS) within the scope of services to the community. This research uses the R&D method. researchers only use up to step 6. Based on the results of trials of 10 respondents who have assessed the decision making system using the electre method, that the application of employee performance appraisal using aggregate ranking can help provide information on the level of employee performance based on predetermined criteria. Respondents agree that this system is more efficient in assessing employee performance with an average of the old system = 43.50% while the new system is = 84.50%.

This study aims to examine and evaluate the results of the implementation of an android-based labor payroll system. The purpose of this research is to find out the description of the system, application implementation, problems, and solutions on android-based payroll at Mitra Indo Agro. The results of the study obtained are used to evaluate the factors and parts of the payroll system for this android-based application that needs to be improved. This study uses a qualitative descriptive research method. Determination of informants using snowball sampling technique where the research subjects as many as 4 employees who are directly related to the android-based payroll process. Data collection techniques are through field studies consisting of interviews, observations, documentation, and literature studies. Data analysis techniques through data reduction steps, data exposure, data interpretation and drawing conclusions. The data validation technique uses source triangulation. The data presentation technique uses a program flow (flowchart) and fishbone diagrams (fish bones). The results of the research have shown that the Android-based GajiQ system helps provide large databases with the CRUD (Create, Read, Update, Delete) method , automate reports such as attendance recap, salary calculations, payroll history reports and make it easier to find labor data. The implementation of the Android-based GajiQ application can be a new medium of choice for companies to manage payroll in real time, quickly, and accurately that does not involve many parties in making payroll, payments, and payroll procedures. Problems found by the system are still bugs or crashes, error messages such as app force close appear.