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Agus Perdana Windarto
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Sekretariat J-SAKTI (Jurnal Sains Komputer dan Informatika) Jln. Jendral Sudirman Blok A No. 1/2/3 Kota Pematang Siantar, Sumatera Utara 21127 Telepon: (0622) 2243
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J-SAKTI (Jurnal Sains Komputer dan Informatika)
Published by Sekolah Tinggi Ilmu Komputer Tunas Bangsa
ISSN : 25489771     EISSN : 25497200     DOI : http://dx.doi.org/10.30645/j-sakti
Core Subject : Science, Engineering,
Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Energy
J-SAKTI adalah jurnal yang diterbitkan oleh LPPM STIKOM Tunas Bangsa yang berfokus di bidang Manajemen Informatika. Pengiriman artikel tidak dipungut biaya, kemudian artikel yang diterima akan diterbitkan secara online dan dapat diakses secara gratis. Topik dari J-SAKTI adalah sebagai berikut (namun tidak terbatas pada topik berikut) : Artificial Intelegence, Digital Signal Processing, Human Computer Interaction, IT Governance, Networking Technology, Optical Communication Technology, New Media Technology, Information Search Engine, Multimedia, Computer Vision, Information System, Business Intelligence, Information Retrieval, Intelligent System, Distributed Computing System, Mobile Processing, Computer Network Security, Natural Language Processing, Business Process, Cognitive Systems, Software Engineering, Programming Methodology and Paradigm, Data Engineering, Information Management, Knowledge Based Management System, Game Technology.
Arjuna Subject : Ilmu Komputer (semua kategori) - Ilmu Komputer (Lain-Lain)
Articles 499 Documents
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Peningkatan Kompetensi Web Design Peserta Didik Menggunakan Metode “Rekam Layar” Di LKP Elite English School Nurfitri, Khoiru
J-SAKTI (Jurnal Sains Komputer dan Informatika) Vol 3, No 2 (2019): EDISI SEPTEMBER
Publisher : STIKOM Tunas Bangsa Pematangsiantar

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (566.219 KB) | DOI: 10.30645/j-sakti.v3i2.158

Abstract

There are 3 aspects of competency that must be achieved by students of computer programs in Elite English school of Ponorogo. The 3 aspects include knowledge, skills and attitudes. In Web Design class of computer programs the average student only excels at one aspect of competency. The unachievement is due to the lack of direct observation by the instructor which causes students to not follow the practice in full. The instructor has difficulty if they have to accompany each student directly because of the limited time and many students in the class. This study aims to apply the rekam layar method so that students are able to achieve all three aspects of competence. The screen recording method is a method that aims to make observations of students using computer software. This study uses the method of direct observation and interviews which lasted for two months. Rekam Layar learning method has been proven to be able to help students personally observe the process effectively. Student competency can be increased using the Rekam Layar learning method.
Fuzzy Analytic Hierarchy Process Untuk Menganalisa Faktor Pemilihan Teller Terbaik Malau, Yesni; Maulida, Ulfa
J-SAKTI (Jurnal Sains Komputer dan Informatika) Vol 3, No 2 (2019): EDISI SEPTEMBER
Publisher : STIKOM Tunas Bangsa Pematangsiantar

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (922.984 KB) | DOI: 10.30645/j-sakti.v3i2.142

Abstract

In an effort to provide motivation to improve the dedication and performance of the teller, the selection of the best teller is done periodically every year, some criteria that are performance appraisals are discipline, initiative, thorough, friendly, and speed of service, During this time the assessment of tellers by the Branch Manager does not yet have a method that can handle priority problems with many of these criteria so that the Branch Manager often has difficulty in choosing the best employee objectively.For the sake of work efficiency and effectiveness, we need an appropriate decision-making method with the aim to build and provide an alternative to a decision support system that is the Analytical Hierarchy Process (AHP) method,in the AHP method there is the concept of eigen vector for the priority ranking process of each criterion based on a pairwise comparison matrix, this will facilitate the process of selecting the best teller because the concept is simple, easy to understand,the computation is efficient and has the ability to measure performance and alternative decisions in a simple mathematical form,so that we will get the best teller who deserves to get the best teller (bonus) allowance and a better career path in the future. And application programs are made in order to facilitate the application of the use of the AHP method when implemented.
Implementasi Metode TOPSIS pada Penerima Bantuan Sosial Akibat Covid19 di Desa Kotabatu Ciomas Bogor Alawiah, Enok Tuti; Putri, Dwi Andini
J-SAKTI (Jurnal Sains Komputer dan Informatika) Vol 5, No 1 (2021): EDISI MARET
Publisher : STIKOM Tunas Bangsa Pematangsiantar

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (898.23 KB) | DOI: 10.30645/j-sakti.v5i1.299

Abstract

During the Covid 19 pandemic in 2020, many sectors were affected, one of which was the economic sector. Kotabatu Village, Ciobas District, Bogor Regency is a village that has been affected by social impacts due to the COVID-19 pandemic. Many people are forced to lose their jobs. Therefore, the Government provides cash social assistance. But the problem is that the provision of funds must be right on target only for the people who are affected. So that a decision support system is needed to determine the right policy. In this study, the TOPSIS method will be used as the best method for preference values and will be tested on 133 population samples. The results of the research conducted on the sample obtained a final score of 0.65, namely people who lost their jobs. So the provision of assistance can prioritize people who have lost their jobs in order to get help due to the COVID-19 pandemic
Sistem Informasi Geografis Pemetaan Penyaluran Dana Bantuan Operasional (Studi Kasus di SMA Negeri Kota Pematangsiantar) Hutagalung, Juniar
J-SAKTI (Jurnal Sains Komputer dan Informatika) Vol 2, No 2 (2018): EDISI SEPTEMBER
Publisher : STIKOM Tunas Bangsa Pematangsiantar

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (976.368 KB) | DOI: 10.30645/j-sakti.v2i2.77

Abstract

Education is an important aspect for the progress of a country. With the existence of School Operational Assistance (BOS) funds can help the distribution of education but the Education Office has not implemented a computerized system to the maximum in monitoring the distribution of BOS funds. The Education Office only has data textually and not spatially. The more schools in Pematangsiantar City will be difficult for the Education Office to see a map of locations where schools that are entitled to receive BOS funds and who have received BOS funds. This Geographic Information System (GIS) application was made to find out the location of BOS funds distribution with the appearance of tables and data in the form of maps. This GIS is displayed web-based so that everyone can access it. The use of this application will help the Education Office in monitoring the distribution of BOS funds so that evenly distribution. In addition to helping the community to find out the location of the school and school data. The author uses google maps to determine latitude and longitude coordinate points found on google maps. Using this coordinate point, the location of the recipient of BOS funds was obtained. Latitude and longitude values are stored in the MySQL database and will be called using PHP programming. This application also uses UML modeling. This study uses data collection methods by means of surveys and literature. After the data has been collected, the location measurements and map determination are then analyzed for system requirements and system design and testing. Then the implementation of the system by utilizing Google Map and the PHP programming language. After the application is generated, the program is tested with Black Box Testing. This GIS application can run locally using a local server such as App Server with the provision that you must connect to the internet.
Sistem Penyeleksi Warna Dan Berat Barang Menggunakan Pergerakan Lengan Robot Empat DOF (Degree Of Freedom) Abdullah, Abdullah
J-SAKTI (Jurnal Sains Komputer dan Informatika) Vol 1, No 1 (2017): EDISI MARET
Publisher : STIKOM Tunas Bangsa Pematangsiantar

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (985.265 KB) | DOI: 10.30645/j-sakti.v1i1.29

Abstract

The use of robot arm in the system of colour and weight box selection has been done to integrate control system of robot arm moving with colour sensor TCS3200 and weight sensor load cell. The research was conducted by analyzing efficiency and accuracy system of robot arm moving to select colour and weight goods like box. The robot arm moving work suitable instruction of colour and weight sensor reading. At the most important from this system is how to accuracy of colour and weight sensor to detect colour ang weight and accuracy of robot arm moving system can positioning degree moving to take colour with different weight box suitable the place. The result of the analysis proved that robot arm moving had inregrated with colour and weight sensor efficient and effective to do this work as colour and weight box selection accurately.
Penerapan Complex Proportional Assessment (COPRAS) Dalam Penentuan Kepolisian Sektor Terbaik Ginting, Garuda; Alvita, Suha; Mesran, M; Karim, Abdul; Syahrizal, Muhammad; Daulay, Nelly Khairani
J-SAKTI (Jurnal Sains Komputer dan Informatika) Vol 4, No 2 (2020): EDISI SEPTEMBER
Publisher : STIKOM Tunas Bangsa Pematangsiantar

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (885.927 KB) | DOI: 10.30645/j-sakti.v4i2.254

Abstract

In determining the best Sector Police, many criteria must be had by every Sector Police to be the best. Some of the criteria used to determine the best Sector Police are Polsek services, completion of the crime, number of personnel, cleanliness of the Sectoral Police, and number of criminal acts. Determination of the best Sector Police to improve the performance of personnel so that they are encouraged to be better at doing their jobs than before. To avoid mistakes and be precise in determining the best Police Sector, a decision support system is needed. In this study, a case will be raised, namely finding the best alternative based on the existing criteria using the Complex Proportional Assessment (COPRAS) method. The COPRAS method is used to analyze different alternatives and estimate alternatives according to the level of utility where the values of the attributes are expressed in intervals to increase efficiency and increase accuracy in the decision-making process.
Analisis Kualitas Website Institut XYZ Menggunakan Metode Webqual dan IPA Saputra, Jeki; Satrianansyah, S; Wijaya, Harma Oktafia Lingga; Rahman, Taufik
J-SAKTI (Jurnal Sains Komputer dan Informatika) Vol 5, No 1 (2021): EDISI MARET
Publisher : STIKOM Tunas Bangsa Pematangsiantar

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (882.276 KB) | DOI: 10.30645/j-sakti.v5i1.324

Abstract

A good website is a website that is in great demand by users and provides good information to its users. One of the website applications that can be seen is in universities. To measure the quality of the XYZ Institute website, indicators that affect the quality of the website are needed from the point of view of educators, lecturers and students. Therefore, the methods used to measure the quality of the XYZ Institute website are the Webqual and IPA methods. The description of this research is whether there is an effect of the quality of the XYZ Institute website on usability indicators. Is there an effect of the quality of the XYZ Institute website on the indicators of information quality (Information Quality, is there an effect of the quality of the XYZ Institute website on the indicators of service interaction quality), and, is there an effect of the quality of the XYZ Institute website on the overall indicators. Is there an influence on the quality of the XYZ Institute website with a comparison the level of importance and level of performance in the IPA method. There is a significant influence between usability, quality information and service interaction quality on user satisfaction both partially and simultaneously. In the IPA method in developing the Institute website XYZLubuklinggan In quadrant I has an important priority where the indicators in quadrant I are indicators X16 and X17 and this quadrant is not in accordance with user expectations and has a high level of importance. In Quadrant II the XYZha Institute website rus maintains the indicators are X4, X8, X10, X12, X14, X16, X18, in quadrant III can ignore a little of importance the indicators are X1, X2, X3, X5, X11, X15, and quadrant IV are considered to have a low level of importance but the level of performance on this website is considered very good for users whose indicators are X6 and X7.
Implementasi Algoritma 2 Step Kalman Filter Untuk Mengurangi Noise Pada Estimasi Data Accelerometer Putra, Wahyu Sukestyastama
J-SAKTI (Jurnal Sains Komputer dan Informatika) Vol 3, No 1 (2019): EDISI MARET
Publisher : STIKOM Tunas Bangsa Pematangsiantar

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (132.364 KB) | DOI: 10.30645/j-sakti.v3i1.108

Abstract

An accelerometer is a useful sensor in technological development. Currently, the accelerometer is found on smartphone devices, navigation devices, and wearable devices. However, processing the sensor output signal into data that can be interpreted is not easy. This is because the output of an accelerometer sensor has significant noise. In this study, the authors are interested in developing an estimation method using a Kalman Filter. Kalman filter is an estimator so it is expected that the sensor data are more resistant to noise interference. In this study, the author innovated the 2 step Kalman filter. The study was conducted because the use of 1 step still has noise on the estimation results. Based on the analysis of the algorithm simulation results, it can be concluded that the Kalman filter 2-step algorithm has good performance in estimating the accelerometer sensor output. When compared with the Kalman filter 1 step algorithm, the Kalman filter 2 step algorithm has a smaller average error estimation and is able to achieve a constant/stable condition faster than the Kalman filter 1 step method
Penggunaan Algoritma Kriptografi Steganografi Least Significant Bit Untuk Pengamanan Pesan Teks dan Data Video Gunawan, Indra
J-SAKTI (Jurnal Sains Komputer dan Informatika) Vol 2, No 1 (2018): EDISI MARET
Publisher : STIKOM Tunas Bangsa Pematangsiantar

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (825.107 KB) | DOI: 10.30645/j-sakti.v2i1.48

Abstract

Some areas that are still discussed from a computer science research for a data security is the use of LSB steganography (Least Significant Bit) cryptography algorithm. Delivery of text and video data without being equipped with a security system from the LSB steganography algorithm can eliminate messages to be inserted into the video. The use of the LSB steganography algorithm can improve the security of messages to be sliced and sent to the recipients of messages. This analysis aims to improve text and video security by inserting text into video, then shuffling video so that the video can not be seen.
Pemilihan Aplikasi Meeting Online Untuk Mendukung Work From Home Menggunakan Metode AHP Danang, Deodatus; Mustika, Wida Prima; Merdekawati, Agustiena
J-SAKTI (Jurnal Sains Komputer dan Informatika) Vol 4, No 2 (2020): EDISI SEPTEMBER
Publisher : STIKOM Tunas Bangsa Pematangsiantar

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1140.832 KB) | DOI: 10.30645/j-sakti.v4i2.245

Abstract

The Indonesia government has started to prepare the strategies by setting the new policies regarding the spread of the coronavirus (Covid-19) since the first case was found on March, 2nd 2020. One of those policies is appealing to all government staffs/State C3il Apparatus and pr3ate employees to apply the system of remote working (Work from Home). To support the act3ity of remote working, the employees have been using some applications for online meetings to communicate with colleagues, superiors, and business partners in resolving the workloads without direct physical contacts. These applications needed are Zoom, Google Meet, Skype, and Webex. The writer conducted a study using the Analytical Hierarchy Process (AHP) method to determine the selection of the appropriate application for online meetings according to the priority criteria required by the employees who work at home. AHP method can provide the best order that will produce criteria and alternat3es with the highest values. The research was conducted based on the criteria for application features, ease of use, number of participants, duration of time, bandwidth requirements, and application security. The result for alternat3es with priority results was the Zoom application with the highest value of 0.341 (34.1%), followed by Google Meet with a value of 0.319 (31.9%), Skype with a value of 0.187 (18.7%), and Webex. With a value of 0.153 (15.3%) as the lowest order.

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