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HENGKI TAMANDO SIHOTANG
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Jurnal Mantik
Published by Institute of Computer Science
ISSN : -     EISSN : 26854236     DOI : -
Core Subject : Economy, Science, Education,
Computer Science & IT Economics, Econometrics & Finance Languange, Linguistic, Communication & Media
Jurnal Mantik (Manajemen, Teknologi Informatika dan Komunikasi) is a scientific journal in information systems/informati containing the scientific literature on studies of pure and applied research in information systems/information technology,Comptuer Science and management science and public review of the development of theory, method and applied sciences related to the subject. Jurnal Mantik Penusa is published by Institute of Computer Science (IOCS). Editors invite researchers, practitioners, and students to write scientific developments in fields related to information systems/information technology,Comptuer Science and management science). Jurnal Mantik is issued 4 (FOUR) times a year.
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Articles 2,151 Documents
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Expert System For Autism Prediction in Children With Web-Based Forward Chaining Method: Expert System For Autism Prediction in Children With Web-Based Forward Chaining Method Topan Yulianto; Septi Andryana; Aris Gunaryati
Jurnal Mantik Vol. 3 No. 4 (2020): February: Manajemen, Teknologi Informatika dan Komunikasi (Mantik)
Publisher : Institute of Computer Science (IOCS)

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Abstract

Autism is one of the categories of children with special needs, namely brain nerve development disorders that affect the ability to communicate and interact socially. Autism is divided into 5 types: Autistic Disorder, Asperger's Disorder, Perspective Developmental Disorder-Not Otherwise Specified (PDD-NOS), Rett's Disorder, Childhood Disintegrative Disorder (CDD). This research was conducted to predict the type of autism that occurs in children using a web-based expert system with the method of forward chaining, using data collected through various sources about autism. The data will be implemented into the system, so the system can provide information about the types of autism that exist, as well as the symptoms experienced by each type of autism. This system will also be able to diagnose patients by giving a number of questions to the symptoms that occur then providing appropriate treatment solutions through various therapies.
Web-Based Expert System to Identify Pests and Diseases in Tomato Plants Using the Certainty Factor Method: Web-Based Expert System to Identify Pests and Diseases in Tomato Plants Using the Certainty Factor Method Anggira Ganda Kusuma; Fauziah Fauziah; Endah Tri Handayani Esti
Jurnal Mantik Vol. 3 No. 4 (2020): February: Manajemen, Teknologi Informatika dan Komunikasi (Mantik)
Publisher : Institute of Computer Science (IOCS)

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Abstract

One of the important commodities for the domestic market such as are tomatoes, tomato has a comprehensive utilization of commodities, commodities tomatoes widely used for processing foods, to cosmetics. Therefore, the market demand for tomatoes to be very high. One cause of inhibiting the production of tomatoes is due to disease and pest attack, to resolve the issue dibutuhkanlah an expert in the field, but the number of experts is limited and can not help farmers simultaneously. To solve this problem we need a system that can handle the problem. The purpose of this study make the application of expert systems that will help farmers and communities in diagnosing diseases and pests on tomato plants. The system is web-based and using certainty factor. The results of using this system can provide a diagnosis in the form of a percentage based on the symptoms - symptoms that are selected by the user. This system has an accuracy value of 93%.
Load Balancing Performance in Etherchannel Technology Using the VLAN Trunking Protocol (VTP) Method: Load Balancing Performance in Etherchannel Technology Using the VLAN Trunking Protocol (VTP) Method Muhammad Zulfi Rahmanzi; Iskandar Fitri; Andri Aningsih
Jurnal Mantik Vol. 3 No. 4 (2020): February: Manajemen, Teknologi Informatika dan Komunikasi (Mantik)
Publisher : Institute of Computer Science (IOCS)

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Abstract

Increasing the number of network technology users is functioned so that network performance increases, it is necessary to have a network renovation process. The results of previous studies, the use of Load Balancing on Etherchannel technology using the VTP (VLAN Trunking Protocol) method can maximize network performance. In this network topology, VLAN and Etherchannel technology has been configured so that the operation runs efficiently. Etherchannel protocol used in analyzing VTP network performance, namely PAgP and LACP. QoS analysis results for 1 hour, when all connected conditions have an average value of 1.8 Mb / s throughput and 8.1% packet loss. The second test of CORE_SW2 condition was turned off, got an average throughput of 1.8Mb / s and 8.2% packet loss. When testing all three Po1 line conditions is disconnected, the connection is multiplied to 2 lines. Po5 gets an average throughput of 15MB / s and packet loss of 23.15%, Po2 gets throughput of 1.8 Mb / s and packet loss of 8.7%. Then the influence of Etherchannel technology when the first and second conditions are classified as good, while the third condition throughput is classified as very good, but the packet loss generated is of medium condition.
Exhaust Fan Control Design As Air Cleaner Based On Microcontroller: Exhaust Fan Control Design As Air Cleaner Based On Microcontroller Frinto Tambunan; Bambang T.J. Hutagalung; Nurhayati Nurhayati
Jurnal Mantik Vol. 3 No. 4 (2020): February: Manajemen, Teknologi Informatika dan Komunikasi (Mantik)
Publisher : Institute of Computer Science (IOCS)

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Abstract

The use of Exhaust fan is a device that we often encounter in our daily lives. And in its use is still controlled by humans themselves and classified as manual, so manual use is very inconvenient to exhaust fan users, so that if it is controlled systematically using fuzzy logic, where the logic to be implanted is, to accelerate the exhaust fan rotation rate if a value is obtained that will refer at the high level of impurities detected by sensors that have been setup and determined in such a way, so that exhaust fan can work in accordance with what is instructed by the logic that is embedded in the microcontroller system.
Improving Writing Ability Through Media Story Images Of The Eight Grade Students Private SD HKBP Pematangsiantar In Academic Year 2018/2019: Improving Writing Ability Through Media Story Images Of The Eight Grade Students Private SD HKBP Pematangsiantar In Academic Year 2018/2019 Jumaria Sirait
Jurnal Mantik Vol. 3 No. 4 (2020): February: Manajemen, Teknologi Informatika dan Komunikasi (Mantik)
Publisher : Institute of Computer Science (IOCS)

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Abstract

The aims of this study is to improve students' writing abilities in elementary schools. Learning media picture story is one of the Efforts made in the learning process to improve the writing ability of elementary students. This picture is more media story Strategically applied Because it can inspire students 'reasoning power, so that students' creative ideas emerge, and Ultimately they are Able to write. This is in line with the purpose of the study, the which is to find out the level of writing ability through the medium of the picture stories of VI grade students of Pematangsiantar Private Elementary School in 2018/2019. The research Carried out is classified as a class action research (research actions) conducted by the teacher for the purpose of optimizing student learning outcomes Also while increasing the professional competence of teachers According to the topic under study. The topic studied was related to the ability to write based on the use of instructional media items, namely picture stories. The research respondents were grade VI elementary school students, with the application of the pre-test and post-test. Before learning is done, students' ability to write is still low, after learning with the application of media images the ability of students has Increased. In the first cycle, the pre-test results of students' writing abilities were 16:12%, and the post-test results Reached 25.80%. In the second cycle, the results Obtained by students in writing Reached 43. 93%, and in cycle III the results Achieved by students Became 70.96%. Barriers experienced by teachers and students are learning unpreparedness in changing situations and minimal practice time.
Tick Waste Application in Houses With Warning of Microcontroller Assistant Social Media.: Tick Waste Application in Houses With Warning of Microcontroller Assistant Social Media. Ritzkal Ritzkal
Jurnal Mantik Vol. 3 No. 4 (2020): February: Manajemen, Teknologi Informatika dan Komunikasi (Mantik)
Publisher : Institute of Computer Science (IOCS)

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Abstract

Throwing garbage in its place might be something that is easy for everyone but in fact there are still lots of garbage scattered in any place. This is due to a lack of awareness of the community about the importance of maintaining cleanliness and health of the surrounding environment. Waste is a serious threat to the community, because littering can cause environmental pollution. Sometimes when garbage is dumped at home, sometimes there is no knowledge of the capacity of the garbage can. The impact of the ignorance of the capacity of the garbage can, there will be a buildup of garbage for days that have not been able to be disposed of in the trash. Trash can is a place to temporarily collect garbage, which is usually made of metal or plastic. The objectives of this study are to obtain the physical form of smart dry trash cans to be applied at home and to obtain information on the existence of garbage can capacities with WhatsApp social media and to provide information on the weight of garbage. the research methods used are hardware and software. Assembly for the acquisition of a Smart Trash Assisted by a Microcontroller, namely. Hardware Design through Functional Block Diagram of System Series, Microcontroller Circuit and Network Design, Programming of Microcontrollers with Arduino IDE. Warning on Social Media by WhatsApp. Sensor Testing and Delivery of the Social Media alert system by WhatsApp in 2 ways, namely: Sensor and Loadcell Testing, Testing Delivery of social media editing systems by WhatsApp.
Decision Support System Rental Housing Investment In Singingi District Area: Decision Support System Rental Housing Investment In Singingi District Area Nofri Wandi Al-Hafiz
Jurnal Mantik Vol. 3 No. 4 (2020): February: Manajemen, Teknologi Informatika dan Komunikasi (Mantik)
Publisher : Institute of Computer Science (IOCS)

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Abstract

Construction and the need for houses in each region must be different based on the need, the number of jobs, access roads, and the condition of the location where the house will be built, whether or not it has fulfilled the requirements for a comfortable and safe house so that it can attract residents to occupy and rent the house. With the current problems, where in building a rental house, it can not immediately build a house, but it needs careful planning so that the price of rental homes in accordance with the desired. The decision making system using fuzzy logic can help the community to determine the appropriate area to be used as a lakasi for the construction of rental homes as a long-term investment.
The Effect of Small-Group Discussion through the ability to Write Procedure Texts by Seventh Grade Students of SMP Negeri 1 Atap Tampahan in Academic Year 2018/2019: The Effect of Small-Group Discussion through the ability to Write Procedure Texts by Seventh Grade Students of SMP Negeri 1 Atap Tampahan in Academic Year 2018/2019 Mariati Saragih
Jurnal Mantik Vol. 3 No. 4 (2020): February: Manajemen, Teknologi Informatika dan Komunikasi (Mantik)
Publisher : Institute of Computer Science (IOCS)

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Abstract

This study aims to determine whether there is an effect of the small-group discussion ability to write procedural text by VII grade students of SMP Negeri 1 Atap Tampahan in Academic Year 2018/2019. This study aims to: 1) describe the ability to write procedure text in content aspects; 2) to describe the ability to write procedure texts on structural aspects; 3) to describe the ability to write procedure texts on aspects of writing conventions; 4) to describe the ability to write procedure texts on aspects of linguistic characteristics. Research design is two group experimental research, which is applying the effect of the small group discussion ability to write procedure texts by students of SMP Negeri 1 Satu Atap Tampahan. The procedure of this research is the initial test (pre test) and the final test (post test) in the control class and the experimental class. The data of this study were analyzed descriptively. The results of the study showed that the seventh grade students of SMP Negeri 1 atap Tampahan obtained the average value of writing procedure texts in the control class that was 72.45 including the less category. In the aspect of content, the average value of students is less category (72.22). In the aspect of structure, the average value of students have good category (91.66). In the aspect of writing conventions, the average value of students is less category (50) and in the aspect of linguistic characteristics the average value of students is sufficient category (75.92). In the experimental class the average value obtained is 77.40 including the sufficient category. In the aspect of content, the average value of students is the sufficient category (80.76). In the aspect of structure, the average value of students is very capable (98.07). In the aspect of writing conventions, the average value of students is poor category (48.07). In the aspect of linguistic characteristics, the average value of students is sufficient category (82.69). In the classification of the ability to write the text of the control class procedure it is known that the sample that scores 75 and high score by 18 people (66.68%). While students who scored 75 and under numbered 9 people (33.32%). In the experimental class classification the ability to write procedure texts that score 75 and high score by 21 people (80.76%). While students who scored 75 and under numbered 5 people (19.24). From the results of the hypothesis test the t-test statistic is strengthened at a significant level of 5%, obtained tcount> ttable (0.05), which is 4.057> 1.67528, which can be concluded that there is a positive and significant effect of the small group discusssion on the ability to write procedure texts by VII grade students of State Junior High School 1 Atap Tampahan in Academic Year 2018/2019.
The Influence of Vocabulary Mastery Ability to Write Exposition Text of Eighth Grade Students of SMP Negeri 1 Satu Atap Tampahan: The Influence of Vocabulary Mastery Ability to Write Exposition Text of Eighth Grade Students of SMP Negeri 1 Satu Atap Tampahan Erlinawati Situmorang
Jurnal Mantik Vol. 3 No. 4 (2020): February: Manajemen, Teknologi Informatika dan Komunikasi (Mantik)
Publisher : Institute of Computer Science (IOCS)

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Abstract

This study aims to determine whether there is a relationship between the mastery of vocabulary and the ability to write exposition text for eighth grade students of SMP N l atap tampahan in Academic Year 2019/2020. This research is a correlational study using a quantitative approach. The population consists 112 students, and a sample of 24 students. Based on data processing, the average value (m) of vocabulary mastery by eighth grade students of SMP Negeri 1 atap is 78.12 in the good category, while the average value (m) of the ability to write text the exposition is 81.4 in the very good category. Based on the results of the study, it is known that the calculated value is 0.858 while the r table is 0.404 that significance level of 5%. The value of r (count) is greater than r (table) which is 0.858> 0.404. Thus there is a positive and significant relationship between the mastery of vocabulary to write exposition text for eighth grade students of SMP Negeri 1 atap tampahan in academic year 2019/2020 . Then Ha is accepted and Ho is rejected at a significant level of 5%.
Potential Analysis And Optimalize Strategy Of Boarding Home Tax In Banyuwangi District: Potential Analysis And Optimalize Strategy Of Boarding Home Tax In Banyuwangi District Yeni Puspita; Galih Wicaksono
Jurnal Mantik Vol. 3 No. 4 (2020): February: Manajemen, Teknologi Informatika dan Komunikasi (Mantik)
Publisher : Institute of Computer Science (IOCS)

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Abstract

The purpose of this research is to determine the potential of a boarding house tax and tax revenue optimization strategies boarding house at Banyuwangi Regency. The analytical method uses a quantitative approach to give a questionnaire to the boarding house owner as a taxpayer. Based on information from four sub-districts can be concluded that the total potential of boarding house tax in the Banyuwangi Regency is IDR 717,755,450.00. The strategy needs to be done by the local government to increase boarding house tax revenue are through optimizing the intensification of local tax collection, strengthening the collection process, increasing supervision, increasing administrative efficiency and reducing collection costs. This can be done by increasing coordination with related institutions in the region. The analytical method is used as a quantitative approach to give a questionnaire to the boarding house owner as a taxpayer

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