Garuda - Garba Rujukan Digital

THE INFLUENCE OF COOPERATIVE LEARNING MODELS TO INCREASE LEARNING MOTIVATION ON OBJECT-ORIENTED PROGRAMMING MATERIALS Zega, Imanuel; Rondonuwu, Yeremia Victor; Hardiyanti, Mawar; Sarumaha, Demonius
Educational Technology Journal Vol 4 No 1 (2024): Volume 4 Nomor 1, April 2024
Publisher : Universitas Negeri Surabaya

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The world of education requires an interesting learning process for students, with the aim that the students being taught do not feel bored in following the learning process. Learning methods that use conventional methods are one of the causes of students feeling bored in the learning process. The research carried out was Classroom Action Research (PTK) with a cooperative learning model applied to third-semester students in the Information Systems study program at Unversitas Pignatelli Triputra. Cooperative learning is a teaching method that involves students studying in small groups to achieve common goals when completing assignments. It is based on the idea that when students work together and exchange knowledge, they learn more effectively. Based on the results of the data analysis that has been carried out, it is known that the initial reflection scores achieved by students were only 22.2% of students who achieved completeness, 55.5% in cycle I and cycle II, and as much as 83.3%. This shows that the use of appropriate teaching strategies can produce real improvements and help students learn enthusiastically and achieve the desired goals.

Penerapan Algoritma Enhanced Dual Rivest Shamir Adleman untuk Pengamanan Data Sarumaha, Demonius; Mardiah; Amir, Saiful; Gafur, Abdul; Zega, Imanuel
Digital Transformation Technology Vol. 4 No. 1 (2024): Periode Maret 2024
Publisher : Information Technology and Science(ITScience)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47709/digitech.v4i1.3686

Pengiriman atau pertukaran data adalah kegiatan yang umum terjadi dalam ranah teknologi informasi. Data yang dikirim seringkali mengandung informasi yang penting sehingga memerlukan perlindungan keamanan yang sangat ketat. Untuk menjaga keamanan data, dapat dilakukan dengan menggunakan teknik kriptografi. Dalam dunia kriptografi, terdapat berbagai algoritma yang digunakan untuk melakukan enkripsi data. Kecanggihan teknologi informasi menuntut perlindungan data yang kuat dalam berbagai bidang. Salah satu solusi yang telah dikembangkan adalah penggunaan algoritma kriptografi, di antaranya Algoritma Enhanced Dual RSA. Dalam penelitian ini, kami mengeksplorasi penerapan Algoritma Enhanced Dual RSA dalam konteks perlindungan data. Kami membahas prinsip dasar algoritma ini serta langkah-langkah implementasi untuk mengamankan data. Analisis kinerja dan keamanan algoritma ini juga dievaluasi untuk memastikan keefektifannya dalam melindungi data sensitif. Penelitian ini bertujuan untuk memberikan wawasan tentang penggunaan algoritma Enhanced Dual RSA sebagai salah satu strategi penting dalam upaya melindungi integritas dan kerahasiaan data di era digital.

Desain Kreatif Pembuatan Flyer Promosi Anggota TP-PKK Desa Selemak Kecamatan Hamparan Perak Junaidi, Junaidi; Putra Adithia, Muhammad Khaibar; Lubis, Muhammad Zulkarnain; Satriandi, Satriandi; Sarumaha, Demonius; Simbolon, Herry Yusuf
Jurnal Pengabdian Masyarakat (ABDIRA) Vol 5, No 3 (2025): Abdira, Juli
Publisher : Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/abdira.v5i3.874

The Creative Design of Promotional Flyers for TP-PKK Members in Selemak Village, Hamparan Perak District aims to enhance community awareness of the programs promoted by TP-PKK. The selection of this theme is based on the lack of information regarding the activities and presence of TP-PKK members in the area. The methodology applied includes needs analysis, visual design, and training for TP-PKK members to create informative and engaging flyers. The findings indicate an increase in community participation in TP-PKK programs, as well as an improvement in members' understanding of promotional techniques. The significance of these results lies in their contribution to strengthening the role of TP-PKK as a community empowerment agent and improving communication between members and the broader community.

Design of Academic Information System and New Student Admission System (PPDB) Based on Website at SMP Swasta Delisha with Prototype Model Approach Taufik, Muhammad; Sarumaha, Demonius; Amir, Saiful
Pascal: Journal of Computer Science and Informatics Vol. 2 No. 02 (2025): Pascal: Journal of Computer Science and Informatics
Publisher : Devitara Innovations

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Advances in information technology have encouraged educational institutions to adopt digital systems to improve operational efficiency and service quality. SMP Swasta Delisha currently does not have a website-based system, so the New Student Admissions (PPDB) process and information delivery are still done manually. This manual approach leads to inefficiencies and increases the risk of administrative errors. This study aims to design and develop a website-based information system that includes online registration features, school profile information, and important announcements. The system development uses the Prototype Model method, which is iterative and flexible, allowing the system to be built according to user needs through direct feedback. The results of this study are expected to help SMP Swasta Delisha in improving the efficiency of the PPDB process, expanding the reach of information, and providing better services to prospective students and the wider community.

Design and Development of a Website for Rumah Jahit Dini Using the Prototyping Method Rachmawati, Andini; Sarumaha, Demonius; Simbolon, Heri Yusuf
Pascal: Journal of Computer Science and Informatics Vol. 2 No. 02 (2025): Pascal: Journal of Computer Science and Informatics
Publisher : Devitara Innovations

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This study aims to design and develop a service website for Rumah Jahit Dini to improve service effectiveness and efficiency for customers. The system was developed using the iterative prototyping method, where development is carried out incrementally based on direct user feedback. The website includes features such as service ordering, product information, catalog browsing, and administrative data management. A qualitative descriptive approach was applied, supported by UML-based system modeling tools. To validate system functionality, black box testing was conducted. The results indicate that the developed web-based information system successfully addresses the limitations of the previous manual service process and enhances both accessibility and customer satisfaction with the services provided by Rumah Jahit Dini.

Performance Analysis of Hybrid Cryptographic Algorithms Rabbit Stream and Enhanced Dual RSA Sarumaha, Demonius; Mohammad Andri Budiman; Muhammad Zarlis
Data Science: Journal of Computing and Applied Informatics Vol. 7 No. 1 (2023): Data Science: Journal of Computing and Applied Informatics (JoCAI)
Publisher : Talenta Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32734/jocai.v7.i1-10483

Cryptography is a technique for encoding data by encrypting plaintext into an unreadable (meaningless) form. Cryptographic methods have good and bad performance depending on the type of algorithm we use. Therefore, the purpose of this study is to measure speed by combining the two algorithms used. The Rabbit Stream algorithm is a stream cipher algorithm whose system security depends on the generation of a key bit stream (keystream), which only guarantees 128-bit key security but has the advantage of being fast in the encryption and decryption process, while the Enhanced Dual RSA algorithm is an asymmetric algorithm to increase data protection from the Dual RSA algorithm by utilizing the Pells equation as a substitute for public key exponents. On the other hand, the algorithm in question requires a significant amount of time to encrypt messages with a large capacity when compared to the Rabbit Stream algorithm. Nonetheless, the study's findings suggest that using a hybrid method is comparatively faster for processing substantial amounts of data.

Making Processed White Bread Products into Healthy Snacks in the Tahfidzul Qur'an Amanah Middle School Environment Khairani, Siti; Harahap, Siti Nurlani; Simbolon, Heri Yusuf; Sigalingging, Candra; Sarumaha, Demonius; Lubis, Ruhilah
ABDIMAS TALENTA: Jurnal Pengabdian Kepada Masyarakat Vol. 9 No. 2 (2024): ABDIMAS TALENTA: Jurnal Pengabdian Kepada Masyarakat
Publisher : Talenta Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32734/abdimastalenta.v9i2.19578

Snacks play an important role in providing energy and other nutritional intake for school-aged children. Children's consumption of snacks is expected to contribute energy and other nutrients that are useful for children's growth. Bread is a food that is popular with people because it has a simple shape, so it is often chosen as a breakfast food before starting daily activities or as a snack to fill the stomach before the actual meal time arrives. Community service activities are carried out at Tahfidzul Qur'an Amanah Middle School in Sei Mencirim, Deli Serdang Regency. The aim is to increase students' understanding of the importance of healthy snacks and the potential dangers of additives contained in processed foods. This activity was carried out on December 7, 2023, including a pre-test to assess students' knowledge about healthy snacks, a comprehensive educational session about the importance of a healthy diet and the dangers of additives, as well as a post-test to evaluate the effectiveness of the intervention. Apart from that, practical demonstrations were carried out on how to turn bread into healthier snacks, especially chocolate rolls. The results of the pre-test and post-test show a significant increase in students' understanding of healthy snacks. The success of this activity shows the potential of similar interventions in promoting health education and better eating habits among school students.

Penerapan Algoritma Enhanced Dual Rivest Shamir Adleman untuk Pengamanan Data Sarumaha, Demonius; Mardiah; Amir, Saiful; Gafur, Abdul; Zega, Imanuel
Digital Transformation Technology Vol. 4 No. 1 (2024): Periode Maret 2024
Publisher : Information Technology and Science(ITScience)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47709/digitech.v4i1.3686

Pengiriman atau pertukaran data adalah kegiatan yang umum terjadi dalam ranah teknologi informasi. Data yang dikirim seringkali mengandung informasi yang penting sehingga memerlukan perlindungan keamanan yang sangat ketat. Untuk menjaga keamanan data, dapat dilakukan dengan menggunakan teknik kriptografi. Dalam dunia kriptografi, terdapat berbagai algoritma yang digunakan untuk melakukan enkripsi data. Kecanggihan teknologi informasi menuntut perlindungan data yang kuat dalam berbagai bidang. Salah satu solusi yang telah dikembangkan adalah penggunaan algoritma kriptografi, di antaranya Algoritma Enhanced Dual RSA. Dalam penelitian ini, kami mengeksplorasi penerapan Algoritma Enhanced Dual RSA dalam konteks perlindungan data. Kami membahas prinsip dasar algoritma ini serta langkah-langkah implementasi untuk mengamankan data. Analisis kinerja dan keamanan algoritma ini juga dievaluasi untuk memastikan keefektifannya dalam melindungi data sensitif. Penelitian ini bertujuan untuk memberikan wawasan tentang penggunaan algoritma Enhanced Dual RSA sebagai salah satu strategi penting dalam upaya melindungi integritas dan kerahasiaan data di era digital.

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