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Kota Tangerang selalu terus bertransformasi dalam perkembangan termasuk menjadi suatu kota yang smart city. dimana memberikan sebuah layanan yang memudahkan masyarakat dalam memberikan akses informasi kepada masyarakat tersebut hingga akan mewujudkan pemerintahan yang bersih dengan keterbukaan akan informasi, untuk menjadikan Kota Tangerang menjadi kota cerdas sangat perlu memanfaatkan sebuah teknologi informasi, salah satunya adalah pendekatan antara smart city dan smart people. Faktor yang berpengaruh dalam smart people adalah sebuah pendidikan atau sebuah pelatihan baik berupa edukasi secara langsung atau penyuluhan dilapangan ataupun juga yang sifatnya e-learning, human capital and research, development and innovation. pembuatan sistem informasi sosial learning dalam penyampaian sebuah e-learning dalam pemberian edukasi dan sebuah informasi merupakan salah satu cara yang dapat digunakan dalam menciptakan masyarakat yang smart people. dimana melihat karakteristik masyarakat kota tangerang yang sering menggunakan teknologi informasi khususnya media internet dan gadget berupa smartphone berbasis android, maka pembuatan sistem informasi sosial learning berbasis android dirancang dengan konsep Smart Learning System. pembuatan sistem informasi sosial learning ini secara utuh dimulai dari tahap Analisis dan Desain Aplikasi, tahap rancangan bangun dalam membuat sistem informasi ini menggunakan prosedur model Object-Oriented Analysis and Design (OOAD) dimana memiliki tahapan yang prosedural dalam analisis data dan desainnya, dengan adanya sistem informasi penyedia pembelajaran sosial ini diharapkan dapat meningkatkan pembangunan smart city melalui smart people pada Kota Tangerang. Kata Kunci : Smart City, OOAD, Learning

Security is a protection or protecting something important from something unwanted or other things that are theft of data security techniques, there are several ways to provide protection, one of which is by inserting something data that you want to protect into other media, message security. secret by inserting a message into an image file or better known as steganography is a development of a cryptography, where cryptography itself is a data security technique that contains elements of data management or formulation before it becomes new data and the new data can only be read or opened. by a certain person who can know the pattern of managing the data. The security and confidentiality of a message is very important and must be maintained, the problem of data confidentiality in a company or institution is a major problem where a lot of data that is confidential is open or widespread, this is very detrimental to the company, in addition to data confidentiality The other factor is that data confidentiality is a continued asset for the company to continue to managers in other divisions which must be maintained and used by someone appointed. From these problems, a cryptographic method is needed where the algorithm used is RC4 and steganography is used using Least Significant Bit (LSB) as the method. The advantage of RC4 is that the data in the management of making cryptography is more structured and has a non-static pattern in which the creation of confidential data can be made quickly and safely, while the Least Significant Bit (LSB) method is a method of inserting binary data into an image that has a color image and in it can accommodate 6 bits for the message. The purpose of this research is to create a cryptographic application system that combines the Least Significant Bit (LSB) technique to secure an android-based data

PT. Bell Flavors & Fragrances Indonesia, which is a private company in the field of distributors of chemicals and products, namely, Flavors, Fragrances, Botanicals, Ingredient Specialties. The current transaction process at PT. Bell Flavors & Fragrances Indonesia by inputting data into Microsoft Excel which before being input into Microsoft Excel is written manually on HVS paper, it takes quite a lot of time and causes errors in recording and there is no QR Code to view item details. The extreme programming method is used to solve problems that occur with the planning, design, coding, and testing stages. Produce a warehouse information system by implementing a QR Code to view the details of goods made using the PHP programming language, using Unified Modeling Language (UML) object-oriented analysis such as Use Case diagrams, Sequence diagrams, Activity diagrams and Class diagrams and tested using Black Box testing, testing White Box and questionnaire testing.