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All Journal STRING (Satuan Tulisan Riset dan Inovasi Teknologi) Journal of Information System, Applied, Management, Accounting and Research Technologia: Jurnal Ilmiah JURSIMA (Jurnal Sistem Informasi dan Manajemen) Jurnal PkM (Pengabdian kepada Masyarakat) Jurnal Riset dan Aplikasi Mahasiswa Informatika (JRAMI) Journal of Academia Perspectives STORAGE: Jurnal Ilmiah Teknik dan Ilmu Komputer JRKT (Jurnal Rekayasa Komputasi Terapan) Kapas: Kumpulan Artikel Pengabdian Masyarakat JURSIMA Jurnal Sistem Informasi dan Manajemen
Imam Himawan
Universitas Indraprasta PGRI
Arts Humanities Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Library & Information Science Mathematics Physics Social Sciences Other

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Journal : STRING (Satuan Tulisan Riset dan Inovasi Teknologi)

 1 
Steganografi untuk Keaslian Tanda Tangan yang Terdigitalisasi Algoritma RC4 Imam Himawan
STRING (Satuan Tulisan Riset dan Inovasi Teknologi) Vol 3, No 2 (2018)
Publisher : Universitas Indraprasta PGRI Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1058.512 KB) | DOI: 10.30998/string.v3i2.3046

Abstract

Steganography for digitalized signature authenticity with the RC4 algorithm (Ron's Code # 4). We use this concept where the text is hidden behind the image and the intended recipient is able to see it. The purpose of this research is to maintain the authenticity of the digitalized signature by hiding the message therein. So that if there is a problem regarding a fake or suspicious signature related to the document, it can be resolved properly using this system, the authenticity of the document can be known. This system uses the RC4 Algorithm made with visual basic 6 programming language. In the steganography method this method is very useful if used on computer steganography because there are many digital file formats that can be used as a medium to hide messages. Commonly used formats include: Image format: bitmap, gif, jpeg, etc., Audio format: wav, voc, mp3, etc., The method used is to insert a message and display the message Technique testing the system with RGB (Red Green Blue) . The quality of the software produced is tested based on fourthe quality characteristics of the ISO 9126 model software, namely functionality, reliability , usability , and efficiency. The results of this study will be documentation in the office PT. Jaya For Current that fits the needs of the company
Sistem Pakar untuk Mendiagnosa Gangguan pada Sistem Endokrin Berbasis Android Mobile Irawan Setiadi; Imam Himawan; Kevin Septianzah
STRING (Satuan Tulisan Riset dan Inovasi Teknologi) Vol 8, No 1 (2023)
Publisher : Universitas Indraprasta PGRI Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30998/string.v8i1.16491

Abstract

This research discusses how to design an expert system that can be used to diagnose disorders of the endocrine system based on the symptoms suffered by the patient, so that there are advice on the problems encountered by the user. The objective is to assist prospective doctors, general practitioners and specialists in diagnosing disorders of the endocrine system like an expert, to provide information quickly, and to create an interactive application that can be easily understood by the users. The expert system is created using the Best-First Search method and using the Forward Chaining technique. The system contains the knowledge of an expert obtained during research at Permata Ibu Hospital and a knowledge base designed to be able to store new diseases. The expert system is developed based on smartphone technology or more specifically Android on the client side, PHP (Hypertext Preprocessor) and MySQL base on the server side. The system contains 6 disease data and 10 disease symptom data. It also has been tested and validated by experts and several users. The result reaching a percentage of 83.3% shows that the expert system application is quite efficient and effective.
Co-Authors Achmad Fauzi Andreas Adi Trinoto Aswin Fitriansyah Bias yulisa geni Dandy Herlambang Dedy Yusuf Aditya Dian Sari Fahri Alpiansyah Imam Rifai Irawan Setiadi Irawan Setiadi Junda Afifah Kevin Septianzah Lukas Arief Prasetyo Muawan Bisri Nandang Suwela Rahman Abdillah Redo Abeputra Sihombing Redo Abeputra Sihombing Senna Hendrian Septianzah, Kevin Syatantra Rahutama Triyadi Triyadi