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All Journal Jurnal Teknologi Informasi : Jurnal Keilmuan dan Aplikasi Bidang Teknik Informatika Jurnal Teknika : Jurnal Teoritis dan Terapan Bidang Keteknikan JOINTECOMS (Journal of Information Technology and Computer Science) Diteksi : Jurnal Pengabdian Kepada Masyarakat
Agus Sehatman Saragih
Universitas Palangka Raya
Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Library & Information Science Mechanical Engineering

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RANCANG BANGUN WEBSITE BADAN PENGAWAS PEMILIHAN UMUM (BAWASLU) KALIMANTAN TENGAH Ade Chandra Saputra; Agus Sehatman Saragih
JURNAL TEKNOLOGI INFORMASI Vol 13 No 1 (2019): Jurnal Teknologi Informasi (JTI)
Publisher : Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (648.47 KB)

Abstract

The misuse of digital image images is increasing, data or information that is of a personal nature can easily be known by others who are not entitled through digital images. This can cause material and immaterial losses to people whose personal information is misused by others. Then the application applies the Rijndael algorithm to secure digital image images which contain information or data that is of a personal nature. In securing digital image images, Rijndael's algorithm is used to protect the information contained in the image, the algorithm runs with processes such as SubBytes, ShiftRows, MixColumns, and AddRoundKey. The methodology applied is data collection methods such as field studies and literature studies, then Waterfall software development methods (Communication, Planning, Modeling, Construction, and Deployment) for system design
PRESENSI SISWA MENGGUNAKAN QR CODE DAN SMS BROADCAST BERBASIS WEB Sherly Christina; Agus Sehatman Saragih; Fahrizal Maulana
JURNAL TEKNOLOGI INFORMASI Vol 13 No 1 (2019): Jurnal Teknologi Informasi (JTI)
Publisher : Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (456.37 KB)

Abstract

Student attendance is one of the factors that need to be controlled by the School to maintain Indonesian resources. Therefore a school needs a system that can be used, for handles the students attendance data and distributes it to the parents. This necessity can be facilitated by building an online attendance system for the students. The online attendance system uses QR Code and Broadcast Short Message Service (SMS). The online attendance system used Waterfall methodology phases  as the system development  phases. Afterward  the system performance is evaluated using the black-box testing. The results test using black-box testing show that the system can accomplish the purpose of this research to meet the need of the School in collecting the student attendance data and distributing the information of the students attendance data to the parents. This system uses QR Code and the results of collecting the student attendance data are sent by the system through Broadcast SMS to parents.
APLIKASI PENJADWALAN MATA KULIAH JURUSAN TEKNIK INFORMATIKA FAKULTAS TEKNIK UNIVERSITAS PALANGKA RAYA DENGAN ALGORITMA GENETIKA Saputra, Ade Chandra; Saragih, Agus Sehatman
JURNAL TEKNOLOGI INFORMASI Vol 12 No 2 (2018): Jurnal Teknologi Informasi (JTI)
Publisher : Universitas Palangka Raya

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Abstract

Scheduling courses in informatics engineering is needed to arrange an optimalschedule so that there is no conflict when teaching courses. In this journal of informaticsengineering has a problem in making a schedule because of frequent clash of teachinghours and the room used.Based on the problem, then to solve the above problem is to use the geneticalgorithm method. The genetic algorithm method is used for scheduling optimization.The final result of this research is the website program of Scheduling Courses inthe Department of Informatics, Faculty of Engineering, Palangkaraya University, whichcan display information about course schedules and this will be a tool for departments toprocess scheduling data through the course scheduling application.
RANCANG BANGUN QUADCOPTER DENGAN KENDALI PID Saragih, Agus Sehatman; Pranatawijaya, Viktor Handrianus; Widiatry, Widiatry; Gunawan, Vincentius Abdi
Jurnal Teknologi Informasi: Jurnal Keilmuan dan Aplikasi Bidang Teknik Informatika Vol. 10 No. 2 (2016): Jurnal Teknologi Informasi Jurnal Keilmuan dan Aplikasi Bidang Teknik Informat
Publisher : Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47111/jti.v10i2.1425

Abstract

Quadcopter merupakan salah satu jenis perangkat terbang tanpa awak yang menggunakan 4 motor yang masing-masing dilengkapi dengan propeller yang berfungsi sebagai alat untuk terbang dan bermanuver. Kestabilan terbang quadqopter dipengaruhi oleh kemampuan kendali dalam mempertahankan derajat kemiringan. Nilai derajat kemiringan didapatkan dari sensor IMU (inertial measurement Unit).PID (Propotional,Integral and Derivative) merupakan kendali yang dapat meminalisasi error yang disebabkan ketidaksesuaian derajat kemiringan yang ditetapkan (set value) dan derajat kemiringan ketika quadcopter terbang (present value). Nilai kp, ki, dan kd didapatkan dengan mencoba beberapa kombinasi Nilai kp, ki, dan kd serta memperhatikan pergerakan quadqopter (try and error).Pengujian kestabilan dilakukan dengan menguji pada masing-masing sumbu quadcopter (roll-pitch). Berdasarkan pengujian yang dilakukan, quadqopter dapat bergerak berdasarkan derajat kemiringang yang telah ditentukan (0 dan 30 derajat kemiringan). Berdasarkan pengujian kestabilan masing- masing sumbu yang telah dilakukan, derajat kemiringan quadqopter masih berflutuasi hingga dengan simpangan terbesar hingga 12 derajat.
APLIKASI PERSIAPAN UN DAN UAS TEORI KEJURUAN PADA SMKN-1 PURUK CAHU JURUSAN TKJ BERBASIS ANDROID Sahay, Abertun Sagit; Saragih, Agus Sehatman; Melati, Erma
Jurnal Teknologi Informasi: Jurnal Keilmuan dan Aplikasi Bidang Teknik Informatika Vol. 11 No. 1 (2017): Jurnal Teknologi Informasi Jurnal Keilmuan dan Aplikasi Bidang Teknik Informat
Publisher : Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47111/jti.v11i1.1446

Abstract

SMKN-1 Puruk Cahu is one form of a formal education unit that provides vocationaleducation in secondary education as a continuation of junior high school or other equivalent form.TKJ Department is a department that aims to produce graduates who have knowledge and skills inthe field of computers. To pass SMK students must pass the UAS and UN exam. There are fivesubjects tested nationally, namely Indonesian, English, Mathematics, Skills Competency Test andVocational Theory Exam. The Vocational Theory Exam is a vocational theoretical subject wherethis lesson supports the practice of vocational skills. Because so many tests that must be taken bystudents to graduate, then the students must study harder in facing the UN and UAS. Androidprovides an open platform for developers to create apps. With this it is very appropriate ifdevelopers develop applications that can be used by students to assist in facing the preparation ofUN and UAS vocational theory at SMKN-1 Puruk Cahu TKJ majors.Therefore, research can be done with the title of Application Preparation UN and UASVocational Theory At SMKN-1 Puruk Cahu Department of TKJ Based Android using luthermethodology consisting of 6 stages, namely concept, design, collecting material, assembly, testingand distribution.This application was tested using BlackBox testing. This application has twelve menusnamely, dictionary acronym menu, summary menu, download menu of books, collection menu, UNdiscussion menu, UAS discussion menu, quiz menu of class increase, UN quiz menu, UI quiz menu,conversion menu, profile menu and menu help. For further development can add features such asMini Games so as not to be boring.
SISTEM PAKAR DIAGNOSA KERUSAKAN LAPTOP BERBASIS WEBSITE DENGAN MENGGUNAKAN METODE DEMPSTER SHAFER Saragih, Agus Sehatman; Christina, Sherly; Elshawina, Tiara
Jurnal Teknologi Informasi: Jurnal Keilmuan dan Aplikasi Bidang Teknik Informatika Vol. 12 No. 2 (2018): Jurnal Teknologi Informasi Jurnal Keilmuan dan Aplikasi Bidang Teknik Informat
Publisher : Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47111/jti.v12i2.528

Abstract

Laptop merupakan salah satu jenis komputer yang banyak diminati olehmasyarakat,. Masyarakat awam pada saat ini masih terbatas pengetahuan dan terkadangmengalami kesulitan jika menghadapi masalah pada laptop. Sehingga pada saat maumelakukan pertolongan pertama atau menyelesaikan masalah tidak tahu apa yang harusdilakukan. Teknisi pada tempat servis terkadang banyak mengalami permasalahan ketikabanyak yang harus dibenahi dengan berbagai kendala yang berbeda-beda. Analisakerusakan laptop yang dilakukan dengan cara manual dan hanya dikerjakan oleh teknisiterkadang membutuhkan waktu yang tidak sedikit dengan jumlah teknisi yangterbatas.Kemampuan seorang teknisi yang dapat mendeksi kerusakan laptop dapatdiimplementasikan kedalam sebuah sistem aplikasi. Namun pada sistem ini hanya dapatmendeteksi kerusakan hardware laptop. Metodologi yang digunakan dalam pembuatanWebsite Sistem Pakar ini adalah waterfall. Desain sistem menggunkan DFD (Data FlowDiagram)dan perancangan database menggunakan ERD (Entity Relationship Diagram),coding menggunakan PHP dan MYSQL untuk databse dan testing menggunakanblackbox.Pada Sistem Pakar ini menggunakan metode Forward Chaining sebagaipenalaran dan metode Dempster Shafer utuk menghitung hasil kepercayaan hasil.Setelahmelakukan testing, dapat dilihat hasil dari pembuatan situs ini bahwa website ini dapatmenjalankan fungsinya yaitu mendiagnosa kerusakan hardware laptop berdasarkangejala dari pengunjung sebagai pengguna laptop yang telah menjawab pertanyaan.
RANCANG BANGUN SISTEM PREDIKSI KELULUSAN MAHASISWA JURUSAN TEKNIK INFORMATIKA UNIVERSITAS PALANGKA RAYA Saragih, Agus Sehatman; Saputra, Ade Chandra
Jurnal Teknologi Informasi: Jurnal Keilmuan dan Aplikasi Bidang Teknik Informatika Vol. 11 No. 2 (2017): Jurnal Teknologi Informasi Jurnal Keilmuan dan Aplikasi Bidang Teknik Informat
Publisher : Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47111/jti.v11i2.537

Abstract

The department is the leading part in the implementation of education from a college, so that it always conducts an evaluation to improve the quality and efficiency of higher education includingthe improvement of graduate quality. The length of student study is one of the reference variables ofsuccess level of the teaching process.The graduation prediction system using the data mining classification method is DecisisionTree C4.5. Data attributes used include; Gender, Religion, SKS, IPS, Graduated Semester, and TAType. The Graduated Semester attribute is used as a predictive target attribute. Where the attributevalue pass semester is made into 2 values that is 8-10 Semesters (<= 5 Years) and 11-14 Semesters(> 5 Years). The prediction test was performed using k-fold cross-validation method and linearregression measurement.The highest accuracy score on the prediction system was obtained in the 6th experiment andthe 7th experiment was 61.54%. While for the lowest accuracy value obtained in the 5th experimentof 30.77%. From the value of ????2 from experiment 1 to experiment 10 shows the highest value of 0.40and the lowest 0.29. The value of ????2 obtained is so small that it can further explain the result ofprediction accuracy with decision tree C4.5 algorithm is very small value.
IMPLEMENTASI ALGORITMA RIJNDAEL DALAM ENKRIPSI DAN DEKRIPSI GAMBAR DIGITAL BERBASIS WEB Saputra, Ade Chandra; Saragih, Agus Sehatman
Jurnal Teknologi Informasi: Jurnal Keilmuan dan Aplikasi Bidang Teknik Informatika Vol. 14 No. 1 (2020): Jurnal Teknologi Informasi Jurnal Keilmuan dan Aplikasi Bidang Teknik Informat
Publisher : Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47111/jti.v14i1.609

Abstract

More and more abuse of digital images, data or information that is personal in nature can be easily known by others who are not entitled through digital images. This can cause material and immaterial losses to people whose personal information is misused by others. Then the application applies the Rijndael algorithm to secure digital image images which contain information or data that is personal in nature. In securing digital images, the Rijndael algorithm is used to protect the information contained in these images, this algorithm runs with processes such as SubBytes, ShiftRows, MixColumns, and AddRoundKey. The methodology applied is data collection methods such as field studies and literature studies, then methods of developing Waterfall software (Communication, Planning, Modeling, Construction, and Deployment) for system design. The results of the test analysis get an accuracy value of 100% from the 14 image files tested, all of them were successfully encrypted and decrypted so that it returned to the original form of the original image. For further development, this application can input the data files of other documents and increase the key length to 196 bits and 256 bits
Analisis dan Desain Sistem Pakar Sebagai Pendiagnosa Gangguan Hati Saragih, Agus Sehatman
Jurnal Teknologi Informasi: Jurnal Keilmuan dan Aplikasi Bidang Teknik Informatika Vol. 8 No. 1 (2014): Jurnal Teknologi Informasi Jurnal Keilmuan dan Aplikasi Bidang Teknik Informati
Publisher : Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47111/jti.v8i1.1464

Abstract

Liver has a very important rolefor the human body, especially as an antidote tothe humanbody. Liver disordercan becategorized intoseveraltypes. The ability ofexperts/physiciansindiagnosingliver disordersis notalwaysoptimal. This was caused bythe amount ofinformationthatmust beprocessedandthe similarityof symptomsinliverdisorders.Expert systemsfor the diagnosis liverdisordersis expected to helpmedicalexpertsinstoringandprocessing informationfor initial diagnosis of liver disorder. CertaintyFactor(CF)Methodscandescribe the level ofconfidenceof expertstodiagnosethe type ofliverdisorder.Developmentphasesof expert systemsincludesinformationanalysis, functionalitysystemanalysis, use cases, activitydiagrams, data flow diagram(DFD), databasedesignandinterfacedesign.
ANALISIS DAN DESAIN LOCATION BASED SERVICE PADA JURUSAN TEKNIK INFORMATIKA FAKULTAS TEKNIK UNIVERSITAS PALANGKA RAYA Pranatawijaya, Viktor Handrianus; Saragih, Agus Sehatman
Jurnal Teknologi Informasi: Jurnal Keilmuan dan Aplikasi Bidang Teknik Informatika Vol. 9 No. 1 (2015): Jurnal Teknologi Informasi Jurnal Keilmuan dan Aplikasi Bidang Teknik Informati
Publisher : Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47111/jti.v9i1.1489

Abstract

Room location search can be done by looking at the sign of the room. Along with the developmentof information technology services (IT) then to perform the above can be done by using the services of aLocation Based Service (LBS). The search of information and the location of Department of InformationEngineering, Faculty of Engineering UNPAR by using a mobile device can be done by using LBS servicesso that the necessary information can be viewed by the room. LBS at the Department of InformaticsEngineering, Faculty of Engineering UNPAR intended for information about lectures, lab work and areminder for the user can be obtained.The study was made of three phases: (1) data collection and analysis is done by means ofliterature study and observation, (2) applying the waterfall method which has been modified with thestages is a system analysis to determine access rights along with existing facilities, UML and ERD aremade, the design of the system by doing database design, navigation structure, interface, and (3) theresults of research in which document analysis and design for LBS can be made the basis for the softwareto implement.LBS at the Department of Informatics Engineering, Faculty of Engineering UNPAR generallyhave three users, namely: (1) the admin to manage point and information point, the user, the schedule oflectures and lab work, (2) a registered user to see the point and information point, managing the scheduleof lectures and practicum user, check in at the point, manage appointments, and provide notifications andreminders, and (3) the user is not registered to see the point and the point information and to register onthe system.
Co-Authors Ade Chandra Saputra Anggeraeni, Natasya Anorgi, Andrew Christina, Sherly Efrans Christian Elshawina, Tiara Fahrizal Maulana Gunawan, Vincentius Abdi I Nyoman Adi Putra Khairul Fahmi Licantik, Licantik Melati, Erma Nova Noor Kamala Sari Pentanugraha, Elsan Ramadhani, Aditya Ananda Ronaldo, Deddy Sahay, Abertun Sagit Sherly Christina Viktor Handrianus Pranatawijaya Widiatry, Widiatry