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Jurnal Inotera

inotera
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Published by Politeknik Aceh Selatan

ISSN : 25487574 EISSN : 25811274 DOI : -

Computer Science & IT Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering

Arjuna Subject : -

Articles 294 Documents

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Student Work Sheet Development Based on Cooperative Learning Course Statistics and Probability in the University Pembinaan Masyarakat Indonesia Rini ST, MT; Yulia Tanjung Tiara
Jurnal Inotera Vol. 4 No. 2 (2019): July-December 2019
Publisher : LPPM Politeknik Aceh Selatan

To enhance the learning achievement of each student the lecturer of the course are required to find and implement appropriate teaching methods and effective in each of the learning process so that every learning objectives and teaching can work as expected. Cooperative learning is a form of learning by students to learn and work collaboratively in small groups whose members consist of four to six people with a heterogeneous group structure.

Analisa NDVI Citra Satelit Landsat Multi Temporal Untuk Pemantauan Deforestasi Hutan Kabupaten Aceh Utara Meraty Ramadhini; Bangun Muljo Sukojo
Jurnal Inotera Vol. 2 No. 1 (2017): January-June 2017
Publisher : LPPM Politeknik Aceh Selatan

One of the functions of the forest is natural disaster such as flood control and the landslide that is how these forests absorb water into the root of the tree. Most forests in North Aceh Regency is protected forest which has undergone deforestation due to the presence of illegal logging and opening of new land like planting oil palm that impact against water infiltration. This research was conducted to identify deforestation forests in 2000, 2003 and 2015 using the techniques of remote sensing by satellite images landsat landsat 7 and 8. The method used was algorithm NDVI to get the classification of forest distribution and the level of deforestation forests based on the density of the vegetation from the Forestry Department 2003. Analysis of the rate of deforestation and loss of vast forests is done by leveraging the value of NDVI and other supporting data.The results showed that the NDVI value for forest distribution based on vegetation density in 2000 was -0,620438 – 0,628743, in 2003 between -0,364238 – 0,530055 and in 2015 between -0,274592 – 0,642049. The rate of deforestation in the district of North Aceh based on the value of the vegetation index (NDVI) yields 3 classes of deforestation are severe deforestation, light deforestation and not deforested, in 2000 there was deforestation of 25,62%, in 2003 it was 99,91% and in 2015 amounted to 15,89%, most deforestation occurs in production forests.

Improvement of Mathematical Problem Solving Ability Through Problem Based Learning Model In Applied Mathematics Course II In Industrial Engineering Program of Polytechnic of South Aceh Resky Rusnanda; Safwandi Safwandi
Jurnal Inotera Vol. 3 No. 1 (2018): January-June 2018
Publisher : LPPM Politeknik Aceh Selatan

This research is a quantitative research by true experimental design. Research design is random, pre test and post test. Sample is prepared randomly by two group; experiment and control group. Experiment group is prepared by problem based learning with 13 students in this group, while control group is taught by conventional method with 10 students in this group. Tests are applied in data collecting, then analyzed by t-test. Data analysis shows at α = 0,05 there was 1,72. It can be concluded that the increase in mathematical problem solving from experiment group is relatively better than those in control group in Applied mathematics II Course in Industry Technics Study Program, South Aceh Polytechnic.

Analysis of Web Server Security Against Structure Query Language Injection Attacks in ASEAN Senior High Schools Murniati Murniati; Rizal Munadi; Teuku Yuliar Arif
Jurnal Inotera Vol. 3 No. 1 (2018): January-June 2018
Publisher : LPPM Politeknik Aceh Selatan

Cyber crime continues every day that is always trying to exploit security holes that can be infiltrated. The techniques used vary greatly and the intended target can befall anyone, whether government institutions, private institutions, organizations and even educational institutions. One of the techniques used by intruders is the SQLI attack on the web server. This disorder can cause the information presented to be unavailable normally. once control of the database successfully taken over by the attacker, the data will be easily controlled and other attacks can be done against the client. In this study, an assessment of SQLI attacks on senior high schools in some ASEAN countries was conducted. The analysis was performed on the web server of senior high school in seven ASEAN countries. In this article, methods the forensic used to analyze web servers against attacks SQLI. There is still a lot of web server that vulnerable to SQLI. From the analysis obtained on average 20.86% for the type of SQLI in each country. Of the 70 samples of the website showed a study of web server with techniques SQLI is the highest risk level of 27% in Web Server Singapore and lowest risk level of 7% on a Web Server the Philippines.

The Application of Quantum Teaching Learning Model on Derivative Function using Maple Software in Informatics Engineering of South Aceh Polytechnic Sera Delta Tanjung; Ihsan Ihsan
Jurnal Inotera Vol. 4 No. 2 (2019): July-December 2019
Publisher : LPPM Politeknik Aceh Selatan

In the curriculum informatics engineering program of South Aceh Polytechnic, functiom derivative is taught in the second semester. The derivative function is a mathematics concept who does manipulation toward a function, thus the function slope can be obtained quantitatively on the slanted point. The derivative function material is one of the difficult material faced by the students. Accordingly, the implementation of a learning model is a good thing to create students' interest on the subject. And the media also use to support teaching and learning process as software maple. The purpose of this research is to find out the students’ results who have taught by quantum teaching and also maple on derivative function and the students who have taught by conventional method, and also to know the students' responses after taught by quantum teaching and software maple on derivative material. Experimental method is used in this research by designing pre-test and post-test and control groups. The population is all of the second semester informatics engineering's students at South Aceh Polytechnic where they divided into two classes. The technique in gaining data is using two tests, they are written and questionnaire test. The result of data is analyzed by T-test, and questionnaire is analyzed by calculating the average scores which have set by Likert-scale. Research found that t-score > t-table that is 2.41>1,69. This showed that, the students' score on derivative material taught by quantum teaching by adopting media maple is better than the students' score taught by conventional method at informatics engineering of South Aceh Polytechnic. As for the students' responses, gainned the average of a proposed statements is 3.52. According to the specified criterias, the researcher concludes that the students' responses toward the implementation of quantum teaching by software maple on derivative function is very positive.

Analisa Batuan Alterasi Panas Bumi Arjuno-Welirang Berdasarkan Sifat Mineraloginya Bakruddin Bakruddin; Widya Utama
Jurnal Inotera Vol. 2 No. 2 (2017): July-December 2017
Publisher : LPPM Politeknik Aceh Selatan

This research has been conducted on the geothermal area of Arjuno-Welirang, the with aim to know the alteration of rocks based on their mineralogical properties. The method used is X-ray Diffraction by using Shimadzu X-ray Diffraction technique, Co-Kɒ radiation (ɒ = 1.54060 Å). Mineral phase obtained from Padusan rock samples are 9 minerals ie Aragonite and followed by other minor phases. Then on Cangar rock samples, there are 7 mineral phases with core minerals, ie Silicon Oxide and followed by phase of other minerals.

A Analysis of Student Mastery Levels on Composite Material Subjects in South Aceh Polytechnic Mechanical Engineering Study Program Muhammad Anhar Pulungan; Sera Delta Tanjung
Jurnal Inotera Vol. 4 No. 2 (2019): July-December 2019
Publisher : LPPM Politeknik Aceh Selatan

Research is included into the type of descriptive study using quantitative and qualitative approaches. The research procedure includes stage 1) initial observation, 2) preparation, 3) implementation, 4) evaluation, and 5) final results. The subjects in this study were the second semester students of Mechanical Engineering Study Program, totaling 24 people. Data collection techniques used 1) test questions, 2) interviews, 3) documentation, and 4) field notes. Data analysis techniques mastery level of the material were analyzed using the percentage formula. Interview data were analyzed in stages 1) reducing data, 2) presenting data, and 3) summarizing data. Instrument documentation and field notes were analyzed narratively. The results of data analysis on the level of student mastery of composite material shows that the group of students in the category of mastery is very mastering (SM) 0 students (0%), the category of mastery mastering (M) is 9 students (23.68%), the category of mastery is less mastering (KM ) 16 students (42.11%), mastery category not mastered (TM) 13 students (34.21%). Students who mastered the mastery-1 category were 15 students (39.47%), who mastered the mastery-2 category by 22 students (57.89%), who mastered the mastery-3 category by 9 students (23.68%) and categories mastery-4 as many as 0 students (0%). Interview results obtained by some students 'mistakes in mastering composite material courses, namely a) errors in the use of formulas or concept errors, b) errors in algebraic fraction operations, c) students' lack of attention to the tests conducted, d) errors in inputting parameter values, e) errors in the operation of exponential numbers, f) errors in formulating problems in the form of formulas (mathematical modeling), and g) principle errors.

Analisa Perubahan Cuaca Di Pulau Sumatera Akibat Kebakaran Hutan Dengan Data Water Vapor Dari Citra Satelit Terra Modis Oktalia Triananda Lovita; Mokhamad Nur Cahyadi; Muhammad Taufik
Jurnal Inotera Vol. 2 No. 1 (2017): January-June 2017
Publisher : LPPM Politeknik Aceh Selatan

Forest fires in Sumatra lead to a very extreme climate changes around the earth, so there would still be a difficult job for atmosphere researchers. This research was conducted to know the weather conditions by determining the condition of Water Vapor (WV) on the island of Sumatra. Monitoring the condition of WV can be done by using remote sensing techniques, by processing the image satellite data namely Terra Modis (Moderate Resolution Imaging Spectroradiometer). Data calculation condition WV, as one of the parameters of dynamic atmosphere. The data comes from Terra Modis satellite image, the data on Canal 2, 5, 17, 18 and 19 with a wavelength range; 0,865μm, 1.24 μm, 0.905 μm, 0.936 μm and 0,940 μm. From these results obtained from the average value of Water Vapor before and after fires in 2012. Water Vapor taken from TERRA MODIS satellite imagery (y) with a correction factor of 0.9865. Although the correlation (r) between Water Vapor from MODIS data is high, it can be seen that between Water Vapor in 2012 ranged between 3-8 cm. 82%, however only about 68% of Water Vapor MODIS diversity that can be presented by the equation model to approach the actual value of Water Vapor. With these data will greatly affect the weather cycle in Indonesia.

Analysis of Noise Level Generated by Stone Cutter Machine A Case Study in Marble Production Unit, South Aceh: A Case Study in Marble Production Unit, South Aceh Lindawati Lindawati; Nuzuli Fitriadi; Balkhaya; Afdhal
Jurnal Inotera Vol. 3 No. 1 (2018): January-June 2018
Publisher : LPPM Politeknik Aceh Selatan

Marble, one of natural stone, has been widely produced since the last decade. In South Aceh, Marble stone is fabricated at Marble Production Unit that is located around Polytechnic of Aceh Selatan. The using of large-scale stone-cutting machines in Marble Production process tends to be a major noise source in Polytechnic of Aceh Selatan environment. The aim of this study is to analyze the noise level generated by Marble Cutting Machine in Marble Production Unit. The noise levels were analyzed by measuring Background Noise Level (BNL) and Sound Pressure Level (SPL). Sound Level Meter Type SL-814 was employed in the measurement. The results show that Background Noise Level measured is 53.03 dB on average. The highest Sound Pressure Level measured when the marble cutting machine was operated without workpiece is 94dB. In addition, the highest sound pressure level measured when marble cutting machine was operated with the workpiece is 96 dB. The values have generally exceeded the Threshold Noise Level allowed for education area, 55 dB. The noisy condition in campus environment would have an impact on teaching and learning processes within the Polytechnic of South Aceh.

Nutmeg Pulp Herbal Tea Produced Using Shredding Method Asbahrul Amri; Devi Satria Saputra; Ria Darma
Jurnal Inotera Vol. 3 No. 1 (2018): January-June 2018
Publisher : LPPM Politeknik Aceh Selatan

The existing nutmeg pulp herbal tea is produced from slice process which resulted with hard and big particle size of the powder. It is estimated to negatively affect the packaging process and defective product might be possible to occur when distribution taking place. Consequently, the study need to be done to produce nutmeg pulp herbal tea with small particle size of the powder using shredding method and define one of its substance quantity, Vitamin C as the comparable data towards the existing nutmeg pulp herbal tea product. The study reveals that the tea powder produced from shredding method is greatly smaller than slice method. Idiometri titration analysis of 5 nutmeg pulp herbal tea produced from shredding method samples shows that the average quantity of Vitamin C quantity is less significant than slice method which is only 3.514%. Thus, shredding method produces small particle size of nutmeg pulp herbal tea powder and containing less Vitamin C.

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