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Journal : Journal of Computer Science, Information Technology and Telecommunication Engineering (JCoSITTE)

Cluster Analysis Using K-Means Algorithm and Fuzzy C- Means Clustering For Grouping Students' Abilities In Online Learning Process Indah Purnama Sari; Al-Khowarizmi Al-Khowarizmi; Ismail Hanif Batubara
Journal of Computer Science, Information Technology and Telecommunication Engineering Vol 2, No 1 (2021)
Publisher : Universitas Muhammadiyah Sumatera Utara, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30596/jcositte.v2i1.6504

Abstract

The time of the Covid-19 pandemic, which is still unknown when it will end, has resulted in the learning and teaching process having to be carried out online. The impact of the learning process carried out online is a less satisfactory result than the learning process carried out offline. This study aims to group students based on their learning outcomes in statistics courses and measured probability based on the variables of attendance scores, assignments, midterm exams (UTS), and final semester exams (UAS) which are then used to evaluate learning for subjects that require analytical skills. good quantitative. This study uses cluster k-means analysis and fuzzy C-Means in grouping students into three groups based on their learning outcomes. After being grouped,
The Effect of Indonesian and Hokkien Mobile Learning Application Models Al-Khowarizmi Al-Khowarizmi; Fauzi Fauzi; Indah Purnama Sari; Ajulio Padly Sembiring
Journal of Computer Science, Information Technology and Telecommunication Engineering Vol 1, No 1 (2020)
Publisher : Universitas Muhammadiyah Sumatera Utara, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1063.381 KB) | DOI: 10.30596/jcositte.v1i1.4360

Abstract

Tiongkok is a country with a large population and is in several states. In addition, Tiongkok has a variety of languages. Hokkien is the worldwide language of China and is widely known to many people. This is evidenced by the many China Town markets. In Indonesia there has been a lot of Hokkien language guidance. In almost every elementary school in the city, adding Hokkien language lessons is a must for elementary school students. Even starting from the playgroup has also been taught Hokkien. But still there are children who do not understand because of the different ways of writing by reading Hokkien. In this research, the writer makes an android-based hokkien language learning media which can be utilized by users with mobile technology, designed learning media adapted to the curriculum in elementary schools with 5 subject matter. From the results of testing designed learning media can help make it easier for students to better understand hokkien language.
Determination of Campus Promotion Policy Strategy Applied The Profile Matching Method Indah Purnama Sari; Fatma Sari Hutagalung; Budi Kurniawan Hutasuhut
Journal of Computer Science, Information Technology and Telecommunication Engineering Vol 1, No 1 (2020)
Publisher : Universitas Muhammadiyah Sumatera Utara, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (195.358 KB) | DOI: 10.30596/jcositte.v1i1.4357

Abstract

Decision support system, an application that is used to facilitate members of the university promotion team to determine the policy of the university's promotion strategy. This author discusses the decision support system for determining the university's promotional strategy policy with the profile matching method. The purpose of this paper is to make a decision support system application with a new method. The application used is matlab 7.10 which is used to test based on the results of weighting and calculation. The decision support system application that is produced is as expected in the weighting stage, both in testing, although there are still deficiencies in several respects. The adoption of a decision support system for determining the campus promotion strategy policy with the profile matching method can facilitate university promotion team members in making a wise decision. The method used in the implementation of this decision support system is the determination of the university promotion strategy policy with the profile matching method
Implementation of Dijkstra's Algorithm to Determine the Shortest Route in a City Indah Purnama Sari; M. Fahri Fahroza; M.Ilham Mufit; Isnaini Faiz Qathrunad
Journal of Computer Science, Information Technology and Telecommunication Engineering Vol 2, No 1 (2021)
Publisher : Universitas Muhammadiyah Sumatera Utara, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30596/jcositte.v2i1.6503

Abstract

This study discusses the search for the shortest route from city A to city G using the Dijkstra algorithm based on distance traveled. Dijkstra's algorithm is one of the algorithms used to solve the shortest path and does not have a negative cost. The greedy strategy used in this algorithm is that each node in the graph will find the minimum value. This algorithm will look for a path with the minimum cost from one point to another. The purpose of this research is to understand the implementation of Dijkstra's algorithm on a graph to get the shortest route that is most optimal. The experimental results from city A to city G using Dijkstra's algorithm obtained the shortest route, which is 6 km with the route of city A - city C - city D - city E - city G.
Analysis the Effect of Digitalization and Technology on Web-Based Entrepreneurship Budi Kurniawan Hutasuhut; Indah Purnama Sari; Al-Khowarizmi Al-Khowarizmi
Journal of Computer Science, Information Technology and Telecommunication Engineering Vol 4, No 1 (2023)
Publisher : Universitas Muhammadiyah Sumatera Utara, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30596/jcositte.v4i1.13891

Abstract

The development of technology is currently growing rapidly. Entrepreneurship and many technological advances are possible. The impact of technology on entrepreneurship has enormous advantages. By utilizing the internet network, technology has developed into a medium for business transactions, both products and services. Realize that the role of internet media can be used in the buying and selling process to increase sales turnover, as a way to market products to a wider market, and as a way to reduce operational costs such as store rental costs. This research on the impact of online website media on the buying and selling process is the main goal. in an effort to boost business at small retailers.
Implementation of the Selection Sort Algorithm to Sort Data in PHP Programming Language Indah Purnama Sari; Al-Khowarizmi Al-Khowarizmi; Fanny Ramadhani; Oris Krianto Sulaiman
Journal of Computer Science, Information Technology and Telecommunication Engineering Vol 4, No 1 (2023)
Publisher : Universitas Muhammadiyah Sumatera Utara, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30596/jcositte.v4i1.14362

Abstract

The role of algorithms in software or programming is very important, so it is necessary to understand the basic concept of the algorithm. The sorting algorithm is, selection sort (sorting by selecting) is the process of sorting data according to certain rules so that they are ordered regularly. Sorting data consisting of some criteria have priority where the data is sorted by language PHP programming that provides the sort function to sort array datain ascending or descending order from smallest to largest. The sort function is sort data from smallest to largest digit or last letter of letters first each word prioritizes letters then numbers if the data is in that table data consists of a mixture of numbers and letters. The method used is searching the smallest element of the array and swaps it with the element in the first position, then this algorithm repeats the same thing again, namely looking for elements in second position, The process that will result from this system continues until all array elements successfully sorted.
Implementation of Data Classification Using K-Means Algorithm in Clustering Stunting Cases Indah Purnama Sari; Al-Khowarizmi Al-Khowarizmi; Oris Krianto Sulaiman; Dicky Apdilah
Journal of Computer Science, Information Technology and Telecommunication Engineering Vol 4, No 2 (2023)
Publisher : Universitas Muhammadiyah Sumatera Utara, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30596/jcositte.v4i2.15765

Abstract

Stunting is still a serious public health problem in Indonesia, where the prevalence of this condition is 37.2%, up from 35.6% in 2019 and 36.8% in 2020. The length or height of a child who is short (dwarf) is below average for his age. Stunting has a negative impact on IQ deficiencies, infectious diseases, mental health problems, and child development. Toddlers with stunting cases are detected when their growth and development does not match their age, but currently there is no data grouping based on these criteria that is of concern to parents and posyandu cadres. Data can be grouped using the K-Means data mining technique. The K-Means algorithm is often used by researchers as a grouping procedure to ascertain whether children are stunted or not. 395 datasets are used in this research data. The Knowledge Discovery In Databases (KDD) approach, a comprehensive nontrivial procedure for detecting and recognizing patterns in data, underlies this research. Based on the variables of age, weight and height, this study aims to identify groups or clusters of stunting status in children under five. The best number of clusters with K = 2 was determined by the findings of this investigation. There are 392 children in cluster 0-Shanum, Rizka, Nurjanah, and others-and three toddlers in cluster 1-Ezra, M. Abidza, and Abd Mahmud. With a total of 287 stunted toddlers and 108 toddlers with normal development, the most ideal DBI value is 0.007 which is close to 0, this shows that the clusters under review provide quality clusters.
Web-Based Offline Game Suit Design: A Model Overview Indah Purnama Sari; Al-Khowarizmi Al-Khowarizmi; Aulia Jannah; Adila Mawaddah Meuraxa; M. Iqbal Tanjung
Journal of Computer Science, Information Technology and Telecommunication Engineering Vol 4, No 2 (2023)
Publisher : Universitas Muhammadiyah Sumatera Utara, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30596/jcositte.v4i2.15334

Abstract

The rapid development of information and communication technology has made it easier for people to complete work. To keep up with the times in the game world, information technology students learn about the HTML (Hyper Text Mark Up Language), CSS (Cascading Style Sheet), and PHP (Hypertext Preprocessor) programming languages to create website-based games. Using qualitative research methods, IT students create website-based games with the HTML, CSS, and PHP programming languages that can be accessed via the XAMPP localhost. Students can play this Game Suit game with a computer offline. So that with this website-based game it will make it easier for people to access it and do not require storage such as downloading game applications.