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All Journal Sinkron : Jurnal dan Penelitian Teknik Informatika JURNAL SERAMBI ILMU Jurnal Informasi dan Teknologi Journal of Computer Networks, Architecture and High Performance Computing Jurnal Sosiohumaniora Kodepena (JSK) JiTEKH (Jurnal Ilmiah Teknologi Harapan) JOURNAL SCIENTIFIC OF MANDALIKA (JSM) Jurnal Pengabdian kepada Masyarakat Prosiding Snastikom Empowerment: Jurnal Pengabdian Masyarakat Tameh : Journal of Civil Engineering Prosiding Seminar Nasional Universitas Serambi Mekkah Asian Journal of Community Services (AJCS) PERISAI: Pendidikan dan Riset Ilmu Sains JIPI (Jurnal IPA dan Pembelajaran IPA) ABDIMU: Jurnal Pengabdian Muhammadiyah Jurnal Kolaborasi Akademika Seumike : Society Progress Journal
Manovri Yeni
Prodi Teknik Sipil, Fakultas Teknik-Universitas Muhammadiyah Aceh
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PENINGKATAN HASIL BELAJAR MATEMATIKA PADA MATERI PECAHAN MELALUI PENDEKATAN PAIKEM SISWA KELAS IV SD NGEREI 1 INDRAPURI ACEH BESAR Murni; Manovri Yeni; Muhammad Daud; Muhamad Saleh
PERISAI: Jurnal Pendidikan dan Riset Ilmu Sains Vol. 2 No. 3 (2023): Oktober Jurnal Perisai
Publisher : LPPM - Universitas Serambi Mekkah

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32672/perisai.v2i3.581

Abstract

Penelitian yang berjudul “Peningkatan Hasil Belajar Matematika Pada Materi Pecahan Melalui Pendekatan PAIKEM Siswa Kelas IV SD  Negeri I Indrapuri Aceh Besar” Penelitian ini bertujuan untuk 1) Mengetahui aktivitas siswa dalam materi pecahan dengan pendekatan PAIKEM. 2) Untuk mengetahui aktivitas guru dalam materi pecahan dengan pendekatan PAIKEM.3) Untuk mengetahui tingkat ketuntasan hasil belajar siswa yang dicapai dengan menggunakan pendekatan PAIKEM pada materi pecahan. Subjek penelitian ini adalah siswa kelas IV SD Negeri I Indrapuri sebanyak 27 orang. Jenis penelitian adalah PTK dengan pendekatan kualitatif. Adapun prosedur pengumpulan data adalah melalui tes hasil belajar siswa dan lembar observasi aktivitas guru, dan aktivitas siswa. Sedangkan teknik analisis data, penulis menggunakan analisis persentase sesuai dengan kriteria keefektifan yang telah ditentukan. Hasil pengolahan data menunjukkan bahwa aktivitas siswa pada siklus I 54%, dan pada siklus II 92%, pada observasi aktivitas guru menunjukkan pada siklus I 64% dan pada siklus II 94%, pada hasil belajar siswa siklus I 56% dan pada siklus II 89%. Kesimpulan yang diperoleh 1) Pendekatan PAIKEM dapat meningkatkan hasil belajar materi pecahan pada siswa kelas IV SD Negeri I Indrapuri. 2) Kemampuan guru dalam mengelola pembelajaran Matematika dengan menggunakan pendekatan PAIKEM selama proses belajar mengajar berlangsung dikategorikan sangat baik. Dengan demikian pendekatan PAIKEM yang dilakukan merupakan salah satu upaya mencapai ketuntasan hasil belajar siswa pada materi pecahan di kelas IV SD Negeri I Indrapuri Aceh Besar.
Enkripsi Citra Digital dengan IDEA Cipher: Pengacakan Blok Pseudorandom LCG dan Evaluasi Melalui Image Correlation Analysis Manovri Yeni; Tommy; Rosyidah Siregar
SNASTIKOM Vol. 2 No. 1 (2023): SEMINAR NASIONAL TEKNOLOGI INFORMASI & KOMUNIKASI (SNASTIKOM) 2023
Publisher : Unit Pengelola Jurnal Universitas Harapan Medan

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Abstract

The use of cryptography methods in digital image processing has become a crucial focus of research in safeguarding visual information. This study analyzes the utilization of the Linear Congruential Generator (LCG) as a block scrambling tool in the image encryption process using the International Data Encryption Algorithm (IDEA). The aim of this research is to evaluate the effectiveness of LCG in reducing correlation patterns among pixel blocks in encrypted images. In experiments conducted using image datasets from OpenDataset, the test results indicated a significant difference between encrypting images using regular IDEA and IDEA enhanced with LCG. The block scrambling method using LCG successfully generated encrypted images with correlation coefficient values approaching zero, signifying its effectiveness in obscuring correlation patterns among pixel blocks. Despite a decrease in Mean Squared Error (MSE) and slight degradation in the quality of the encrypted images, the evaluation results affirmed a significant improvement in the average correlation coefficient by 4.57. This indicates an enhanced security level for encrypted images against cryptanalysis leveraging correlation patterns, while considering compromises in image quality. The findings of this research affirm that utilizing LCG in block scrambling during image encryption with IDEA can produce encrypted images with higher security levels by reducing correlation patterns, albeit with a slight sacrifice in image quality. The implications of these findings might contribute to the development of security methods in digital image processing in the future
Base-Delta Dynamic Block Length and Optimization on File Compression Tommy; Ferdy Riza; Rosyidah Siregar; Manovri Yeni; Andi Marwan Elhanafi; Ruswan Nurmadi
Journal of Computer Networks, Architecture and High Performance Computing Vol. 5 No. 1 (2023): Article Research Volume 5 Issue 1, January 2023
Publisher : Information Technology and Science (ITScience)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47709/cnahpc.v5i1.1993

Abstract

Delta compression uses the previous block of bytes to be used as a reference in the compression process for the next blocks. This approach is increasingly ineffective due to the duplication of byte sequences in modern files. Another delta compression model uses the numerical difference approach of the sequence of bytes contained in a file. Storing the difference value will require fewer representation bits than the original value. Base + Delta is a compression model that uses delta which is obtained from the numerical differences in blocks of a fixed size. Developed with the aim of compressing memory blocks, this model uses fixed-sized blocks and does not have a special mechanism when applied to file compression in general. This study proposes a compression model by developing the concept of Base+Delta encoding which aims to be applicable to all file types. Modification and development carried out by adopting a dynamic block size using a sliding window and block header optimization on compressed and uncompressed blocks giving promising test results where almost all file formats tested can be compressed with a ratio that is not too large but consistent for all file formats where the ratio compression for all file formats obtained between 0.04 to 12.3. The developed compression model also produces compression failures in files with high uncompressed blocks where the overhead of additional uncompressed blocks of information causes files to become larger with a negative ratio obtained of -0.39 to -0.48 which is still relatively small and acceptable.
Pengaruh Sokongan terhadap Lendutan Girder Baja Komposit Jembatan Alue Pange Pasca Tahap Konstruksi Munawir, Munawir; Rismayanti, Indah; Yeni, Manovri
Prosiding Seminar Nasional USM Vol 4, No 1 (2023): SEMNAS MULTIDISIPLIN ILMU
Publisher : Universitas Serambi Mekkah

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Abstract

Pelaksanaan konstruksi girder baja komposit dapat dilaksanakan dengan menggunakan metode sokongan (perancah) atau tanpa sokongan. Jembatan Alue Pange yang berlokasi di ruas jalan Geumpang Pameu STA 47 + 350, dibangun dengan metode tanpa sokongan. Berdasarkan hal tersebut peneliti ini ingin mengetahui pengaruh nilai lendutan girder baja apabila diberikan sokongan dan tanpa sokongan dalam memikul beban selama tahap konstruksi, serta pengaruhnya pada saat dibebani pasca konstruksi. Acuan analisa yang dilakukan merujuk kepada gambar Detail Engineering Design (DED), dimana jembatan tersebut bentangnya sepanjang L = 20 m, menggunakan profil girder baja (I-900.300.16.28), dengan jarak antar gelagar 1,60 m dan ketebalan pelat lantai setebal 250 mm. Pada penelitian ini, selain ditinjau pelaksanaan konstruksi tanpa sokongan, juga dianalisis dengan memberikan sokongan setiap jarak 5 m. Analisis yang dilakukan mengacu kepada SNI 1725:2016. Hasil penelitian ini menunjukkan bahwa lendutan yang dihasilkan untuk jembatan dengan keadaan tanpa sokongan pada saat awal konstruksi. Berdasarkan hasil perhitungan dapat disimpulkan bahwa lendutan yang terjadi lebih kecil akibat pemasangan sokongan pada saat awal konstruksi.Kata Kunci : Camber; Girder; Baja Komposit; Lendutan; Sokongan.
PENERAPAN PENDEKATAN REALISTIK PADA MATERI LINGKARAN DI KELAS VIII SEMESTER II SMP NEGERI 2 KARANG BARU Murni; Manovri Yeni; Muhammad Daud; Muhamad Saleh
PERISAI: Jurnal Pendidikan dan Riset Ilmu Sains Vol. 3 No. 2 (2024): Juni Jurnal PERISAI
Publisher : LPPM - Universitas Serambi Mekkah

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32672/perisai.v3i2.1638

Abstract

Secara keseluruhan isi abstrak antara 120-200 kata dan ditulis dalam Bahasa Indonesia. (1 spasi, book antiqua font 10). Abstrak tidak berisi kutipan, singkatan atau akronim. Melalui abstrak para pembaca dapat menangkap substansi, tema, tujuan, metode hingga kesimpulan dari keseluruhan isi tulisan. Pada bagian awal abstrak berisi informasi tema atau konteks dari seluruh tulisan. Selanjutnya redaksi tujuan yang disampaikan secara umum maupun secara spesifik, metode penelitian, kesimpulan. Melalui abstrak, para pembaca akan menerima dan memperoleh kesan yang mendalam terhadap kandungan artikel sehingga dapat menjadikannya sebagai pintu masuk terhadap keseluruhan isi tulisan. Bagian akhir abstrak memuat hasil penelitian atau kesimpulan dari isi tulisan. Jadikan abstrak yang singkat dan padat serta dapat menimbulkan kesan positif terhadap pembaca sehingga keseluruhan tulisan menjadi konsumsi banyak pihak
Cryptography Application on RGB Overlapping Block Based PVD Using AES Elhanafi, Andi Marwan; Tommy, Tommy; Siregar, Rosyidah; Yeni, Manovri; An-Nissa, Shahira
Sinkron : jurnal dan penelitian teknik informatika Vol. 6 No. 3 (2022): Article Research Volume 6 Number 3, July 2022
Publisher : Politeknik Ganesha Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33395/sinkron.v7i3.11685

Abstract

Pixel Value Differencing is a data hiding method in digital images that uses the difference in pixel values as a reference for inserting secret data bits. RGB Overlapping Block Based PVD is an optimization of PVD steganography. RGB Overlapping Block Based PVD provides a much larger capacity with acceptable quality. In this study, the AES cryptography application is used as an additional layer on RGB Overlapping Block Based PVD to provide additional security. Testing and observations have been carried out on the capacity and quality aspects of the embedding results using additional AES encryption. Based on the results, AES cryptography applications can be implemented properly where there is no significant change in terms of capacity and quality to the default RGB Overlapping Block Based PVD.
River Hydrology Analysis For Micro Hydro Power Plant Yulia; Akmal; Yeni, Manovri; Fata Akram, Annas
Jurnal Informasi dan Teknologi 2024, Vol. 6, No. 1
Publisher : SEULANGA SYSTEM PUBLISHER

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.60083/jidt.v6i1.484

Abstract

The Micro Hydro Power Plant (PLTMH) is a generator capable of fulfilling the electrical requirements of isolated regions. PLTMH serves as an alternative means of generating electrical energy for the community. This power facility offers numerous advantages, particularly for remote areas across Indonesia. Water is a crucial energy resource due to its ability to generate electricity, a cost-effective and environmentally friendly kind of energy. The micro-hydro type PLTMH (0.5–100 kilowatts) in Aceh Province is the Lhoong PLTMH, which was built with assistance from PT. Coca-Cola in 2005. This PLTMH is located in Krueng Kala Village, Lhoong District, Aceh Besar Regency. This research aims to determine the availability of the Krueng Kala Lhoong PLTMH's flow rate and the availability of power and energy produced by the Krueng Kala Lhoong PLTMH to meet the electricity needs of Lhoong residents. It is hoped that the benefits of this research will be able to provide development and knowledge, especially in the field of pyrotechnics, and can become reference material for further study, providing information about micro hydropower plants, especially the Krueng Kala Lhoong PLTMH. The research utilizes the Pearson III Log Method to calculate maximum rainfall frequency and Fj Mock for reliable discharge calculation. The research results showed that the full rain discharge with a return period of 25 years was 1152.68 mm/hour. The total potential evapotranspiration (ET0) value occurred in March, reaching 6,649 mm/day. The mainstay discharge with a probability of 85% is Q85% = 0.24 m3/second, obtaining power of 27,914 kW and energy for a year of 20787,644 kWh. The calculation results conclude that the Krueng Kala power plant is still classified as a PLTMH, producing power below 100 kW and generating an annual energy of 20,787,644 kWh. The electricity can be distributed to Meunasah Krueng Kala Village, Baroeh Krueng Kala Village, Tunong Krueng Kala Village, and small enterprises in these three communities.
SOCIALIZATION OF GROUP ACTIVITY THERAPY ON THE LEVEL OF DEPRESSION IN THE ELDERLY IN GAMPONG KEURAMAT, KUTA ALAM DISTRICT, BANDA ACEH CITY Miftahul Jannah; Ira Dama Yanti; Manovri Yeni; Nurnarita Laila
ABDIMU: Jurnal Pengabdian Muhammadiyah Vol 2, No 2 (2022): Vol 2, No 2, Desember (2022)
Publisher : Universitas Muhammadiyah Aceh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37598/abdimu.v2i2.1469

Abstract

Based on data from the World Health Organization (2017), the prevalence of depression in the elderly in the world ranges from 10-15% of the elderly population, while the prevalence of depression in Indonesia is 11.6% of the elderly. In Gampong Keuramat, Kuta Alam District, Banda Aceh City, the elderly population is 1,041 people, but there are still many who do not know about the benefits of Group Activity Therapy (GAT) to reduce depression levels in the elderly. GAT is a series of activities that help facilitate the socialization skills of several elderly people with social relationship problems. This therapy is widely used to reduce anxiety or depression in the elderly. On this basis, the D3 Physiotherapy Study Program of the Vocational Faculty of the University of Muhammadiyah Aceh held a GAT activity in Gampong Keuramat, Kuta Alam District, Banda Aceh City. This activity is one of Community Service which is part of the Tri Dharma of Higher Education. The purpose of holding this activity is as follows: 1) To help the elderly in socializing and reduce the level of depression in the elderly; 2) To increase the sense of community in the elderly; 3) To improve physical and spiritual health in the elderly. It is hoped that this activity will not only be carried out in Keuramat Village, but will be carried out in all villages in Banda Aceh City, so that the creation of a healthy elderly, prosperous elderly, and happy society.Keywords: GAT, Depression, Healthy Elderly, Gampong Keuramat Banda Aceh City.
DOING GYMNASTICS TOGETHER WITH ELDERLY in GAMPONG KEURAMAT, KUTA ALAM DISTRICT, BANDA ACEH Miftahul Jannah; Ira Dama Yanti; Manovri Yeni
ABDIMU: Jurnal Pengabdian Muhammadiyah Vol 1, No 2 (2021): Vol 1, No 2, Desember (2021)
Publisher : Universitas Muhammadiyah Aceh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37598/abdimu.v1i2.1139

Abstract

The Elderly are individuals who are over 60 years old. Usually, at this age the ability and endurance of the individual's body decrease and coupled with the presence of various degenerative diseases that will appear, such as rheumatism, heart disease, hypertension, osteoporosis and diabetes mellitus. Based on data from the Central Statistics Agency (BPS) Banda Aceh on June 19, 2020, the total of elderly population in Banda Aceh is 13.245 people (6.576 men and 6.669 women), namely 4,89% of the total population of Banda Aceh City. Elderly gymnastics is one solution to overcome the problem. On that basis, the D3 Physiotherapy Study Program, Faculty of Vocational University, Muhammadiyah Aceh held Gymnastics with the Elderly. Gampong Keuramat, Kuta Alam District, Banda Aceh City was chosen as a sample for the implementation of these activities. The objectives of holding this Joint Gymnastics for the Elderly are as follows: 1) To improve the physical and spiritual health of the elderly; 2) To make the elderly aware of the importance of elderly exercise in improving health and fitness in the elderly; 3) To increase the sense of community in the elderly; 4) To provide knowledge about the importance of health in the elderly. It is hoped that this elderly exercise will not only be carried out in Keuramat Village but will be carried out in all villages in Banda Aceh City, so that healthy elderly, prosperous elderly, happy people in Banda Aceh City will be created.
Community Service Program for Mentoring Organizational Leaders in Shaping Character-Building Students at Dayah Raudhatun Najah, Langsa City Murni Murni; Manovri Yeni; Musliadi Bin Usman
Asian Journal of Community Services Vol. 3 No. 7 (2024): July 2024
Publisher : PT FORMOSA CENDEKIA GLOBAL

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55927/ajcs.v3i7.10639

Abstract

The mentoring program conducted at Dayah Raudhatun Najah aims to instill honesty in students through structured training and activities. After the initial training, the administrators implement this program by providing direct guidance, interactive sessions, and periodic evaluations. Although the program has shown positive results, several challenges have arisen, including limited time, varying levels of understanding among administrators and students, and a lack of supporting resources. Time constraints hinder the full engagement of participants and the depth of material that can be covered. To address this, it is recommended to extend the program duration or divide it into shorter but more frequent sessions. Differences in understanding levels can be overcome with additional training for administrators and more structured program planning.
Co-Authors Akmal Amir Mukhlis An-nissa, Shahira Andi Marwan Elhanafi Andi Marwan Elhanafi, Andi Marwan Arnisam Arnisam Cut Nawalul Azka Effendi Nurzal Emmi Suryani Nasution Fata Akram, Annas Ferdy Riza Ira Dama Yanti Ira Dama Yanti Ira Dama Yanti Ira Dama Yanti Laila, Nurnarita Mahdi Marlina Marlina Marlina Marzuki Maya Agustina Miftahul Jannah Miftahul Jannah Miswar Muhamad Saleh Muhammad Daud Muhammad Daud Muhammad Daud Muhammad Daud Muhammad Radhi Zakaria Munawir Munawir Munawir Munawir Munazar Munazar Murni Murni Murni Murni Musliadi Bin Usman Nafisah Hanim Nanda, Riska Nawalul Azka, Cut Nazli Ismail* Nurlaila Hanum Nurnarita Laila Nurzal, Effendi Radesi Bariaty Rimadeni, Yeni Rismayanti, Indah Ruslaini Ruslaini Ruswan Nurmadi Setiyaningsih, Sri Indah Siregar, Rosyidah Susanti Susanti Susanti Susanti Syam, Hamdani M Tommy Tommy Tommy, Tommy yulia