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Jumadi , Juju
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Computer Science & IT

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Implementasi Algoritma Cryptography Clasic Dalam Penyandian Pada Aplikasi Chatting Berbasis Client Server Saputra, Ripo; Jumadi , Juju; Akbar , Abdussalam Al
Jurnal Komputer Vol 2 No 1 (2023): Juli-Desember
Publisher : CV. Generasi Insan Rafflesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70963/jk.v2i1.67

Abstract

Security and confidentiality issues are one of the important aspects of data, messages and information. One technique that can maintain data confidentiality is cryptography. Vigenere Cipher is one of the classic cryptographic algorithms that works by reading words per character, where if the message sent exceeds the length of the key used, the key will be repeated until the message sent gets each key. The system implementation uses Visual Basic 2010 programming language and the method used in this research is waterfall, this application is designed using UML (Unified Modeling Language). The result of this research is a software application that is useful for maintaining the confidentiality of messages with the Vigenere Cipher algorithm method. With this application can be one solution in securing data in the chat process.
Implementation of the Weighted Product Method in a Decision Support System for the Assessment of Medical Personnel at Tais Regional General Hospital Julianda, Figora; Jumadi , Juju; Fredricka, Jhoanne
Jurnal Komputer Indonesia Vol. 4 No. 1 (2025): Juni
Publisher : LPPJPHKI Universitas Dehasen Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37676/jki.v4i1.827

Abstract

Medical performance assessment aims to improve service quality. The obstacle faced is the difficulty of evaluating medical performance objectively due to the many criteria and responsibilities of medical personnel for services. To overcome these obstacles, a Decision Support System using the Weight Product method is needed to be utilized as a tool in supporting the decision-making process. The Weight Product method uses multiplication to connect attribute ratings, where the rating of each attribute is first multiplied by the weight of the attribute concerned. The system implementation uses Visual Basic 2010 programming language and the method used in this research is the waterfall method. From the test results, it can be concluded that the medical performance assessment using Weight Product can be done well by taking the top number of medical personnel from the ranking process.
Implementation Of The Monte Carlo Method For Predicting New Student Enrollment At SMK Negeri 7 Bengkulu City Fobi, Ahmad Julcer; Yupianti , Yupianti; Jumadi , Juju
Jurnal Komputer Indonesia Vol. 4 No. 2 (2025): Desember
Publisher : LPPJPHKI Universitas Dehasen Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37676/jki.v4i2.989

Abstract

The purpose of this study is to apply the Monte Carlo method in predicting the number of new student enrollments at SMK Negeri 7 Bengkulu City. The very rapid development of technology and information in the current era provides many benefits that can help and facilitate human work, one of which is in the field of prediction. Techniques in making predictions or estimates are a very important medium in carrying out appropriate planning in the fields of business, education, economics and other fields with the aim of making decisions as a basis for strategies to improve the quality and quantity of an institution or organization, both private and government. SMK Negeri 7 Bengkulu City is one of the State Vocational High Schools in Bengkulu City, every year SMK N 7 Bengkulu City carries out the process of accepting new students. New Student Admissions (PPDB) is the initial process in teaching and learning activities. Currently, the problem that occurs in PPDB is the failure to achieve the quota of students who register, resulting in many empty seats. The research method used by the author is the system development method. The results of this study are that the application for predicting the number of new student enrollments using the Monte Carlo method has been successfully implemented and predicts the number of new student enrollments based on the chosen major. Second, to predict the number of new student registrations, a Monte Carlo prediction model was first created or formed. Third, by using this Monte Carlo method, SMK Negeri 7 Kota Bengkulu can evaluate and predict the number of new student registrations which can be used to make preparations such as classroom equipment, laboratory equipment, procurement of stationery and human resources (teachers and teaching staff).
Co-Authors Abdussalam Al Akbar Aprilianto, Ronaldi Fobi, Ahmad Julcer Fredricka, Jhoanne Julianda, Figora Jusuf Wahyudi Liza Yulianti Rodi , Rodi Saputra, Ripo Saputra, Ronaldo Praja Supardi , Reno Yupianti , Yupianti