scholarly journals Implementasi Kriptografi Pengamanan Data Pribadi Siswa SMA Swasta Jaya Krama Beringin Dengan Algoritma RC4

2021 ◽  
Vol 4 (6) ◽  
pp. 377-383
Author(s):  
Rinaldi Maulana ◽  
R. Mahdalena Simanjorang
Keyword(s):  
High School ◽  
High School Students ◽  
Data Security ◽  
Scheduling Algorithm ◽  
Computer Software ◽  
Personal Data ◽  
Research Problem ◽  
Binary Number ◽  
School Students ◽  
Private High School

The personal data of the Jaya Krama Beringin Private High School students is required in the administrative data collection by the school. Personal data includes student identification such as student name, family identification number (NIK), gender, address, mobile number, e-mail, and so on. In today's digital era data is everything, with the development of the internet network that is increasingly easy to access, it is necessary to know and be aware of what things are personal data and what should be done to protect personal data. The research problem is that the personal data security of Jaya Krama Beringin High School students needs attention due to the widespread occurrence of data theft by hackers to be misused, it is necessary to need computer software for data security. The first step in the RC4 algorithm stage is to carry out the KSA (Key Scheduling Algorithm) process which at this stage is the process of forming an S-Box (Array S) with a length of 256 bytes (index 0 to 255) based on the encryption key. After using the XOR operation on the ciphertext with the key, the XOR result of the binary number obtained is converted into plaintext.

Students who are both victims and perpetrators of physical violence at a private high school in rural Northern Vietnam: Prevalence and Socio-Demographic Correlates

2021 ◽  
Vol 05 (04) ◽  
Author(s):  
Ngoc Binh Nguyen ◽  
Kim Anh Le ◽  
Quang Dat Truong
Keyword(s):  
High School ◽  
High School Students ◽  
School Violence ◽  
Physical Violence ◽  
Cross Sectional Survey ◽  
School Students ◽  
Cross Sectional ◽  
Northern Vietnam ◽  
Perpetrators And Victims ◽  
Private High School

Backgrounds: Physical violence in schools is a fairly common problem in Vietnam. However, current studies pay little attention to violence in private schools. Objectives: The study aims to estimate the prevalence and related sociodemographic factors of school physical violence among students at Hiep Hoa 5 private high school in Bac Giang province in Northern Vietnam. Methods: This was a school-based cross-sectional survey using a random sample technique with a multistage process from April to June 2019. Main findings: 412 students participated in the study, and the results indicated that 55/412 (13.3%) students were both perpetrators and victims of school violence. While 16.7% of students performed physical violence, 27.9% of students suffered physical violence by other students in the past six months. Experiencing physical violence was associated with sociodemographic characteristics such as gender, grade, exposure to physical violence in the media, time playing action games and witnessing violent events in the living place... Conclusions: More than 13% of students are perpetrators and victims of physical violence by their peers at a rural private high school. This prevalence is significantly correlated with individual factors. The results suggest that a greater focus on young people's educational activities should be provided to direct their development, including preventing physical violence. Keywords: Physical violence, high school students, perpetrators and victims.

scholarly journals The Effect of Addiction Online Game Factor by Private High School Students in Padang City

2021 ◽  
Vol 2 (1) ◽  
pp. 24-36
Author(s):  
Nela Sari Yolanda ◽  
Yessy Marzona ◽  
Lailatul Husna ◽  
Safinah Azmir
Keyword(s):  
High School ◽  
High School Students ◽  
Negative Impact ◽  
Sampling Technique ◽  
Senior High School ◽  
Online Game ◽  
School Students ◽  
Private High School ◽  
The City ◽  
Senior High School Students

Online Game is a game that entertain which is by connected by a network, so that it can be played between one player and another player in different places. As a matter of fact, Online Game can have a negative impact, that is an addiction. Students who are addicted to play online game have been influenced by several factors, the factor of facility, individual factors, family factors, social factors, and the online game itself. An analysis that can be used to look at the factors that influence addiction online game in private senior high school students in the city of Padang is a logistic regression analysis.This type of research is experimental research and the population in this study are private senior high school students in Padang City who play online game on a smartphone. The sample in this research are about to 96 respondents and the sampling technique used was technique non probability sampling with the sampling method accidental sampling and using a questionnaire. Based on the research results, we obtained the factors that influence it and factors that significantly influence addiction online game in students private SMA is a facility, family, and types game online.

scholarly journals LONELINESS OF HIGH SCHOOL AND COLLEGE STUDENTS: THE RELATION OF SOCIO-DEMOGRAPHIC CHARACTERISTICS AND SELF-ESTEEM WITH LONELINESS

2020 ◽  
Vol 10 (1) ◽  
pp. 31-40
Author(s):  
Nataša Kostić ◽  
◽  
Šuajb Solaković ◽  
Keyword(s):  
College Students ◽  
High School ◽  
High School Students ◽  
Research Problem ◽  
Self Esteem ◽  
Demographic Characteristics ◽  
Significant Relation ◽  
School Students ◽  
Level Of Education ◽  
Significant Difference

The research problem relates to the examination of the relationof socio-demographic characteristics (gender, level of education and the place where most of childhood was spent) and the self-esteem of the respondents with loneliness.In investigating this problem, the focus was primarily on the perception of the distribution of loneliness, and the examination of the relation of independent variables (socio-demographic characteristics and self-esteem) with the dependent variable (loneliness).The sample of respondents consists of 677 high school students (49.34%) and college students (50.66%) of Bosnia and Herzegovina. The range of years of subjects ranges from 15 to 23 (AS = 18.696).The results of the study show that there is a statistically significant difference in loneliness with regard to gender (U = 38672.000, Z = -6.122, p = .000), to the level of education (U = 42292.500, Z = -5.905, p = .000) and the place in which the respondents spent most of their childhood (χ2 = 9.383, df = 2, sig = .009). The results show that there is a statistically significant relation between self-esteem and loneliness (ro = -.401, sig = .000, N = 676).

scholarly journals Uji Validitas dan Reliabilitas Konstruk Dukungan Sosial Menggunakan SEM

PSYCHE 165 ◽  
2020 ◽  
pp. 211-216
Author(s):  
Chintia Amanda ◽  
Hadi Suyono ◽  
A.M. Diponegoro
Keyword(s):  
Social Support ◽  
High School ◽  
High School Students ◽  
Social Studies ◽  
Likert Scale ◽  
Validity And Reliability ◽  
School Students ◽  
Social Support Scale ◽  
Private High School

The purpose of this study is to test the validity and reliability of social support construction using SEM. The subjects of this study were 83 private high school students in Beringin Regency. The scale of this study uses a social support scale created by researchers developed from Smet (2004). The scale is arranged in the form of a Likert scale based on its aspects, totaling 24 statements with 4 answer choices. The scale was analyzed using SEM AMOS software version 24. The results of social studies provided to students helped improve the success of completing school

scholarly journals SENIOR HIGH SCHOOL ENGLISH TEACHERS’ PUNCTUALITY, ATTENDANCE AND STUDENTS’ ACADEMIC PERFORMANCE

2021 ◽  
Vol 8 (8) ◽  
pp. 564-570
Author(s):  
Saima Maulana ◽  
BAI DONNA ALIMAN ◽  
ZAIDA ULANGKAYA
Keyword(s):  
High School ◽  
Academic Performance ◽  
High School Students ◽  
Research Problem ◽  
English Teachers ◽  
Senior High School ◽  
School Students ◽  
High School English ◽  
Problem Number ◽  
Senior High School Students

This study sought to determine the Senior High School English teachers’ teaching practices in terms of punctuality, attendance and its relationship to students’ academic performance. Specifically, it determined the Senior High School English Teachers’ level of punctuality and attendance; the Senior High School Students’ level of academic performance in English; and the significant relationships of the teachers’ level of punctuality and attendance and their Senior High students’ level of performance in English. The study used the descriptive-correlational survey method. The respondents of the study were the twenty four (24) teachers of the twelve (12) senior high schools of Maguindanao, Philippines. There were two (2) Senior High English teachers that were chosen randomly from each senior high schools of Maguindanao. It has a total of twenty-four (24) Senior High English Teachers. In every teacher, there are 10 senior high school students chosen randomly with a total of two hundred forty (240) senior high school students. The immediate supervisors of the teachers from the twelve (12) secondary schools answered the research problem number 1, while the final grades in English of the two hundred forty (240) senior high students were taken from their English teachers to answer the research problem number 2. The respondents of this study were chosen randomly using lottery. Pearson’s Product - Moment Correlation Coefficient was used to determine the significant relationship of the level of punctuality and attendance of the English teachers to the students’ level of academic performance. Based on the findings of the study, it is concluded that the Senior High School English Teachers’ level of teaching practices is influenced by their punctuality and attendance. It further concluded that teachers’ punctuality and attendance contributed to students’ level of academic performance in English.   Keywords: Senior High School English Teachers, Punctuality, Attendance, Students’ Academic Performance

scholarly journals Facilitating English Club For High School Students: “Life to The Max”

2020 ◽  
Vol 9 (2) ◽  
pp. 108
Author(s):  
Adaninggar Septi Subekti ◽  
Mega Wati
Keyword(s):  
High School ◽  
High School Students ◽  
English Language ◽  
Language Education ◽  
School Students ◽  
English Language Education ◽  
Christian University ◽  
Speaking Skill ◽  
Whole Person Education ◽  
Private High School

This article reports a community service in the form of an English Club programme conducted for students of SMA Immanuel Kalasan, a private High School in Sleman, Yogyakarta. The lecturers of the English Language Education Department (ELED) of Duta Wacana Christian University (UKDW) became the facilitators of the programme with several ELED students being the facilitator assistants. The English Club was conducted in the second semester of the 2018/2019 academic year and it became the third edition of the English Club co-conducted by the school and the ELED. With speaking skill as the target, the programme used the principles of whole-person education in which the focus of the instruction was not only on cognitive aspect, but also on the affective, behavioural, and spiritual aspects. This programme was themed “Life to the Max” and there were in total seven meetings conducted every other Thursday in which each ninety-minute meeting had smaller theme in relation with the big theme. These themes were “communication”, “bullying”, “comparing self to others”, “health”, “sports”, “environment”, and “relationship”. The instruction was in general conducted in a highly communicative way with most of the activities conducted in small groups with the participants making vlogs about the topic being the after-class task. Based on the reflection of what went well and what needed improvement in this programme, some conclusions and recommendations on future programmes were made.

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