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All Journal Math Educa Journal Jurnal Optimalisasi Jurnal Bisnis Dan Kajian Strategi Manajemen Jurnal Teknologi Informasi
Cukri Rahmi Niani
Universitas Teuku Umar
Computer Science & IT Control & Systems Engineering Economics, Econometrics & Finance Industrial & Manufacturing Engineering Mathematics

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ANALISIS KENDALA SISTEM BELAJAR DARING TERHADAP PEMBELAJARAN MATEMATIKA DI KAMPUS Niani, Cukri Rahmi; Rahma, Cukri
Math Educa Journal Vol 4, No 2 (2020)
Publisher : Universitas Islam Negeri Imam Bonjol Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15548/mej.v4i2.1730

Abstract

Wabah Covid-19 yang telah menyebar hampir ke seluruh wilayah Indonesia memaksa kita untuk melakukan segala akitivitas dari rumah termasuk kegiatan belajar mengajar di sekolah atau kampus. Pemerintah telah menetapkan bahwa proses belajar mengajar harus dilakukan dari rumah (daring) selama masa pandemi covid-19. Selama proses pembelajaran daring dilaksanakan, banyak kendala yang dihadapi baik dari pihak dosen maupun mahasiswa. Penelitian ini dilakukan untuk mengetahui kendala sistem belajar daring yang mempengaruhi proses pembelajaran matematika pada mahasiswa. Kendala yang dilihat meliputi kendala kuota internet, kendala keluarga, kendala jaringan, kendala fasilitas Hp/Lattop dan kendala materi pembelajaran.Teknik pengumpulan data menggunakan data primer berupa kuesioner. Pemecahan masalah menggunakan teknik analisis regresi linier berganda. Berdasarkan hasil penelitian diperoleh model regresinya . Dapat disimpulkan bahwa kendala kuota internet (x2)  mempeunyai hubungan sebesar 24%  dengan pembelajaran matematika, selanjutnya keluarga (x3) memiliki hubungan 23%, jaringan internet (x1) sebesar 19%, fasilitas Hp/Lattop (x5)  14% dan meteri pembelajaran (x4) sebesar 8%.
Penggunaan Tawas (Al2(SO4)3) dalam Menurunkan Kadar Total Suspended Solid Air Limbah Batubara Rahma, Cukri; Niani, Cukri Rahmi
Jurnal Optimalisasi Vol 7, No 1 (2021): April
Publisher : Universitas Teuku Umar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35308/jopt.v7i1.2562

Abstract

Wastewater is one of the byproducts produced by coal mining companies. The wastewater contains suspended particles as well as heavy metals. Various attempts have been made to treat wastewater before it is discharged into the environment. This is done so that the waste water does not damage the environment. One way to do this is to settle suspended particles in wastewater or what is known as TSS (Total Suspended solite) using the coagulation-flocculation method. The coagulant used in this study is alum Al2 (SO4) 3. This research was conducted to determine the optimum dose or level of addition of alum into wastewater. The addition of alum is carried out in different doses, this is adjusted to the volume and discharge of waste water that is flowed to the WMP (Water Monitoring Point). The optimum dose of adding or using alum Al2 (SO4) 3 into WPM is 0.03 g / L for WMP 11, and 0.05 g/L for WMP 13.
ESTIMASI KEPADATAN ULAT API MELALUI METODE SAMPLING JARAK Cukri Rahmi Niani
Jurnal Optimalisasi Vol 3, No 4 (2017): Jurnal Optimalisasi
Publisher : Universitas Teuku Umar

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (551.547 KB) | DOI: 10.35308/jopt.v3i4.270

Abstract

Many types of pests which is found in oil palm plantations such as rats, bees and the caterpillars. Caterpillar and the bagworm, including a caterpillar eaters leaves oil palm plantations. This Research focuses on a caterpillar type Setora nitens at oil palm plantations Karya Tanah Subur in West Aceh. Many ways that has been done to overcome pests caterpillar in oil palm plantations from early monitoring and extermination caterpillar. To know the density caterpillar can be done by counting directly individual caterpillar or with other methods that in this research, the density caterpillar in the estimation through distance sampling techniques. Distance sampling is one of the methods used to estimate the density and the spread population. The sampling distance, a series point or lines are placed randomly on the districts census and measured the distance between individuals who were detected in handcuffs or this point. Ordered Distance, Point Quarter and Variable Area Transect the distance sampling method that used in the research. Based on the explanation, an extensive microinsurance is focused on the estimation density caterpillar using the distance sampling methods.Keywords: Setora nitens, Distance Sampling, Order Distance, Point Quarter, VariableArea Transect.
OPTIMALISASI PRODUKSI TANAMAN TERUNG DENGAN PEMANFAATAN MULSA ORGANIK Villa Afria sari; Rita Hartati; cukri rahmi niani
Jurnal Optimalisasi Vol 5, No 1 (2019): April
Publisher : Universitas Teuku Umar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35308/jopt.v5i1.1322

Abstract

This study to determine the use of organic mulch on eggplant production. This research was carried out in the garden of kemumu Hilir Village, Labuhan Haji Timur Disrtict,South aceh Regency. The design used was RAK with the treatment of organic mulch iesugarcane bagasse, rice straw mulch and reeds. The result showe that best eggplant production was found in the treatment of straw mulch, namely the number of fruits (1,506 pieces), fruit length (18,814cm) and the average weight per fruit (112,763gram).
PENGGUNAAN BENTUK RANCANGAN BUTIR TES UJIAN AKHIR SEMESTER DALAM MENGUKUR KOMPETENSI MAHASISWA PADA PERGURUAN TINGGI NEGERI DI MEULABOH ACEH BARAT Rusma Setiyana; Cukri Rahmi Niani
Jurnal Bisnis Dan Kajian Strategi Manajemen Vol 3, No 2 (2019): JURNAL BISNIS DAN KAJIAN STRATEGI MANAJEMEN
Publisher : universitas teuku umar

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (432.849 KB) | DOI: 10.35308/jbkan.v3i2.1380

Abstract

This study aims to determine the form of tests used in measuring student competence and to analyze the level of Bloom's Taxonomy used by faculty. This research used a descriptive research model with a mixed method approach i.e. quantitative-qualitative research. The research data obtained were in the form of  interview and documents including syllabus and test items of the final examination designed by the faculty in the university of Teuku Umar Meulaboh. The data were analyzed using a checklist technique and univariate percentage. The results showed that the forms of tests used are devided into 4 categories namely; (a) essay, (b) true-false and essay, (c) multiple choices and essay, and (d) multiple choices, true – false, and essay test. Furthermore, the most dominant use is the level of remember, then followed by the level of understand, apply, and  analyze; 45%, 42%, 11% dan 2% respectively.  Keywords: form of tests, Bloom’s Taxonomy, final test
Implementasi Enkripsi Dengan Vigenere Cipher Dan Reverse Cipher Menggunakan Bahasa Pemrograman Python Abdurrahman Ridho; Cukri Rahmi Niani
Jurnal Teknologi Informasi Vol 1, No 1 (2022): Mei
Publisher : Universitas Teuku Umar

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (229.013 KB) | DOI: 10.35308/.v1i1.5486

Abstract

Arus komunikasi pada zaman ini begitu kencang, kelancaran arus komunikasi tersebut dipengaruhi oleh sejumlah faktor diantaranya kemajuan teknologi di bidang informasi serta mudahnya untuk mendapatkan perangkat untuk berkomunikasi tersebut. Dibalik semua kemudahan tersebut terdapat sejumlah ancaman yang ada. Diantaranya peretasan yang dilakukan oleh entitas yang tidak bertanggung jawab. Beberapa aspek yang harus dipenuhi berupa keamanan, keaslian dan otentifikasi dan beberapa aspek lainnya yang harus dipenuhi untuk memenuhi keamanan dan kenyamanan dalam berkomunikasi. Kriptografi hadir sebagai salah satu solusi untuk menjamin keamanan pada data seperti teks, gambar, audio, dan video yang dikirimkan sebagai objek komunikasi. Kriptografi bekerja dengan mengubah objek atau data yang awalnya dapat dipahami menjadi sebuah objek atau data yang tidak dapat dipahami. Salah satu bagian dari kriptografi adalah Vigenere Cipher yang telah digunakan sejak lama. Dalam perjalanannya Vigenere Cipher sudah dapat dipecahkan, hal ini tentu menjadi sebuah tantangan tentang bagaimana cara memperkuat cipher tersebut, untuk itu pada penelitian ini dilakukan eknkripsi ganda dengan menggunakan Vigenere Cipher dan Reverse Cipher yang diharapkan dapat memperkuat Vigenere Cipher tersebut.
Co-Authors Abdurrahman Ridho Rahma, Cukri Rita Hartati Rusma Setiyana Villa Afria sari