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Perkembangan teknologi semakin maju salah satunya teknologi bidang multimedia yaitu Virtual Reality. Dengan teknologi Virtual Reality dapat dimanfaatkan sebagai media promosi dan juga pengenalan objek dalam bentuk 3D. Penelitian ini memanfaatkan Virtual Reality sebagai media promosi dan juga sebagai media pengenalan lingkungan Universitas Nasional. Dengan Virtual Reality menjadi inovasi dalam promosi dan pengenalan lingukngan kampus Universitas Nasional. Penelitian ini mengunakan metode Multimedia Development Life Cycle (MDLC). Serta aplikasi ini mengunakan algortima Dijkstra. Aplikasi ini akan menampilkan objek 3D linkungan kampus Universitas Nasional dan user dapat merasakan suasana lingkungan secara 360 derajat dan melihat objek seperti di dunia nyata. Aplikasi menampilkan informasi beruba text dan suara, yang memiliki tampilan desain menarik. Aplikasi ini berjalan pada perangkat smartphone degan sistem operasi android dan memiliki fitur gyroscope. Membutuhkan alat tambahan yaitu VR box atau google cardboard dan VR controller untuk merasakan Virtual Reality. Pengujian aplikasi ini dapat berjalan pada perngkat yang memiliki minimal ram 4 dan berjalan pada sistem operasi android 6.01 Marshmallow, 7.1 Nougat, 8.1 Oreo , 9.0 Pie dan 10.0.

Obesity is a medical condition in the form of excess body fat that accumulates in such a way as to have a detrimental impact on health, which then decreases life expectancy and or increases health problems. Obesity is now a common health problem in this modern society with a variety of technological discoveries that make people don't need to move a lot to do something, resulting in people living a lifestyle without much Move. Researchers feel the need for an expert system application that can easily diagnose obesity with everyone just by modalizing simple applications on people's smartphones. The expert system that is built will diagnose early obesity disease by method of drawing inferences using backward chaining method and to test the level of belief conclusions using certainity factor method. The system will be able to provide output in the form of obesity diagnosis, explanation, tips and advice on obesity handling solutions. System development Methods using ESDLC (Expert System Development Life Cycle). The system is built on Android.

Museum Fatahillah dan Museum Wayang merupakan Museum Sejarah yang berada dikawasan kota tua Jakarta. Namun masalah yang terjadi saat ini adalah kurangnya media untuk mengenalkan kembali sejarah dan pengetahuan berdirinya Museum Fatahillah dan Museum Wayang Maka pada penelitian ini, dirancanglah sebuah aplikasi Augmented Reality berbasis Android sebagai media informasi menggunakan metode markerless 3D Object Tracking. Aplikasi Augmented Reality museum ini menyediakan ftur- fitur yang dapat menarik pengguna dalam mencari informasi. Hasil yang didapatkan pada penelitian ini yaitu berupa sebuah 3D object dengan tambahan informasi berupa teks dan video Animasi, yang bertujuan sebagai salah satu pembelajaran alternativ berbasis teknologi.

Work is something that everyone will do. This is because by working we will earn money that can make us able to fulfill our needs. But sometimes there are still quite a lot of people out there who don't even know what job is right for them. Therefore the author designed an application called Your Job based on Android, this application will provide suitable job recommendations based on the person's personality. In this study using the fisher-yates shuffle algorithm. Fisher-Yates shuffle algorithm can be applied to randomization of questions. The design of this application also uses the MBTI (Myers-Briggs Indicator) method to make it easier to determine a person's personality. After doing it to several people about this application. They gave a very good response, it is certain that the fisher-ystes shuffle algorithm runs well in randomizing the questions and using the MBTI method the accuracy level is almost 100% accurate.

The city of Jakarta has several main tourist attractions that are interesting to visit. As the Capital of the State of Indonesia, it will certainly be ogled and visited by local and foreign tourists. However, there is limited information, tourists from outside the Jakarta area lack complete information on tourism in the city of Jakarta and the roads that must be taken to tourist sites, due to the number of roads and heavy traffic, this makes it a problem when you want to vacation in the city of Jakarta. Therefore, the author designed an application called Jakvel based on Android, this application provides information and looks for the shortest path to tourist sites for tourists who want to vacation in Jakarta. In this study using the A-star and Brute Force algorithms. The A-star algorithm will be applied to find the shortest path to tourist sites and the brute force algorithm is used to search for words (strings) in selecting tours. With this application, it is hoped that it will make it easier for tourists outside the Jakarta area to find out tourist information and help find the shortest path to locations in the city of Jakarta. After testing of 10 tourist sites to determine the shortest path by comparing the A-star algorithm with Google Maps based on Android, with a 70% success rate in finding the shortest path using the A-star algorithm and the results of string search testing using the Brute Force algorithm have a percentage of 100% accurate

Losing is an experience that every human has experienced during his life span, and this is a natural thing. Loss of goods is an event that can make a person panic, especially if the lost item is valuable to him. Therefore, with the development of technology, the author tries to design an application that can be a medium for information on lost items for the community, this application is designed based on Android and is named FindIt. This FindIt app uses Firebase Authentication and Firebase Storage as the main database. This application can be run in real-time because it uses Realtime Firebase. Algorithm testing was carried out between Knuth Morris Pratt and Boyer Moore , and the result is Boyer Moore is faster in string matching. The test results using this algorithm are 100% accurate. Application testing is done using the Blackbox method, where the functions and features of the application run as expected. With this application, it is hoped that the community can help each other to find goods and post their findings on this application

The perception of many students that mathematics is known to be difficult has made the experience negative, so that it has a general impact when adjusting to meeting material calculations. One of the basic materials of mathematics is geometry. This material has provided experiences for Elementary School (SD) children at grade 2 (two) to grade 4 (four). So, one solution is to play with Geometry Space. One of the android-based educational games that provides a media for self-adjustment in understanding material from Geometry. This study designed the Fisher-Yates algorithm in an educational game based on android which is named "Ruang Geometri". An algorithm that will help in randomizing the questions on the "Ruang Geometri" quiz. The purpose of this game is to change students' perceptions to be positive about mathematics because it is no longer a scary subject but fun. The results of this study are to recognize flat and space shapes in the form of educational games.Keywords:Mathematic; Educational Game; Fisher-Yates Algorithm.

Promotion and introduction of school buildings still uses media such as brochures or pamphlets, because it requires software that can introduce and provide information about specific school buildings in SMK 25 Jakarta. This study aims to provide an introduction to the Virtual Reality 25 Jakarta Vocational High School building using the VR Box as a medium of information about the rooms to prospective new students. This application utilizes the method of research and development (R&D) with the ADDIE model, this model serves to carry out periodic assessments in each phase so that the resulting product becomes valid. The validation test results concluded that the system is valid. Testing the level of user satisfaction after using the Virtual Reality application SMKN 25 Jakarta can be concluded that the average user gives a value of 3.4 or enough on the satisfaction of the application menu display, and gives a value of 3.05 on the satisfaction of virtual mode.

Hijaiyah letters are Arabic letters that are in the Koran which are studied by Muslims. Number of Hijaiyah Letters which are generally known to total 30 letters. This study aims to provide an introduction hijaiyah letters, Arabic numerals and alphabets on android smartphone by applying Augmented Reality with the media guide as a marker emergence marker object so that learning becomes more attractive. From previous research, things that have been discussed are only introduces the application Augemented Reality hijaiyah and Alphabet letters using a media card with a distance of 30 cm recommendations and recommendations 600-900 corner. This application is built using the Unity 3D, Vuforia SDK with FAST Corner Detection algorithm and 3D objects created using Blender. This application uses the marker method used to determine the point of emergence of 3D objects. The results of validation testing concluded if all valid system. Testing algorithms with the point x1, y1, x2 and y2, condition of the camera to the marker on the distance is 50 cm at an angle of 450 and a distance of 50 cm - 60 cm at an angle of 900.