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All Journal Elementary Education Research JIKUM: Jurnal Ilmu Komputer
Nabila, Wulan
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Computer Science & IT Decision Sciences, Operations Research & Management Education

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ANALYSIS OF READING DIFFICULTIES OF HIGH GRADE STUDENTS OF SUKADAMAI SAREE STATE ELEMENTARY SCHOOL, ACEH BESAR DISTRICT Nabila, Wulan; Hasniyati, Hasniyati; Yamin, M.
Elementary Education Research Vol 9, No 3 (2024): AGUSTUS 2024
Publisher : Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24815/primary.v9i3.28540

Abstract

In learning activities, students often experience difficulties in the learning process because students have difficulty reading which occurs in high class students. Therefore, a study was conducted on the analysis of reading difficulties of high grade students of SD Negeri Sukadamai Saree, Aceh Besar Regency which aimed to find out what are the factors that cause reading difficulties that occur in these students. This understanding uses a qualitative approach type of case study. The subjects of the study were 3 high-class students. Data collection techniques are carried out through observation and interviews with students, teachers, parents, and close friends of students. Data analysis in this study uses the male and huberman model, namely data reduction, data presentation, and conclusions. The results of interview data analysis and observation of the subject that there are reading difficulties that occur in high grade students. From observation and interview activities, there are several factors that cause reading difficulties, namely internal factors in the form of intelligence levels, low learning motivation, lack of interest in reading activities and doing letter omissions, faltering, not recognizing letters and letter reversal. And external factors in the form of the state of the subject's family environment, the economic situation of parents and the lack of supporting media or reading materials. Therefore it can be concluded that learners have difficulty reading, so that during the process of learning activities they have difficulty and experience difficulties.
Implementasi Fungsi Hash dalam Kriptografi Modern untuk Enkripsi Data Satu Arah Winanda, Mirza; Defrianti, Serli; Nabila, Wulan; Rikarni, Rikarni; Alfarizhi, Habieb
JIKUM: Jurnal Ilmu Komputer Vol. 1 No. 1 (2025): JIKUM: Jurnal Ilmu Komputer, Mei 2025
Publisher : LEMBAGA KAJIAN PEMBANGUNAN PERTANIAN DAN LINGKUNGAN (LKPPL)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62671/jikum.v1i1.34

Abstract

Cryptography is the science and art used to maintain data privacy. In its development, modern cryptographicalgorithms work by processing data in the form of a series of bits. One important approach in cryptography is the useof a one-way hash function (one-way hash function), which is able to change data into a fixed representation thatcannot be returned to its original form.This paper discusses the implementation of hash functions in modern cryptography for the one-way encryptionprocess. The hashing application is developed using the Python programming language with the hashlib library and aTkinter-based GUI interface. This application allows users to enter text, select a hash algorithm such as MD5, SHA1, SHA-256, SHA-512, and HSE, and get the hash results directly. Tests were carried out on several algorithms totrigger differences in the length and complexity of the results.The main characteristic of a one-way hash function is that two different messages will always produce different hashvalues. The test results show that each algorithm produces a unique hash value for a given input, with varying lengthsdepending on the algorithm used. SHA-512 produces the longest hash and is considered the most secure among otheralgorithms.
Co-Authors Alfarizhi, Habieb Defrianti, Serli Hasniyati, Hasniyati M. Yamin Rikarni Rikarni Winanda, Mirza