• Korean Journal of Child Studies
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• v.26 no.4
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• pp.145-155
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• 2005

This study was carried out to reveal Hangul acquisition processes in Korean-Chinese children who grow in a horizontal bilingual environment. In this experiment Grapheme substitution/deletion tasks and sensible/non-sensible Kulja reading tasks were administered to 3-, 4-, 5- and 6-year-old Korean-Chinese children growing up in a bilingual environment. Results were that Korean-Chinese children showed similar patterns of Hangul acquisition processes to Korean children but acquired grapheme-phoneme(G-P) correspondence earlier than Korean children. Hangul acquisition rates were 41.7%, 45.7%, 53% and 92.7% at age 3, 4, 5 and 6, respectively. Both Korean-Chinese and Korean children showed higher sensitivity for the final consonant than for the initial and middle consonants. Correlation between phoneme perception and reading was only significant among 6-year-olds in non-sensible Kulja reading tasks. Training in transforming ideographic Chinese to a phonetic system could effect early acquisition of G-P correspondence in Korean-Chinese children.

• Journal of Digital Contents Society
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• v.16 no.5
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• pp.707-715
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• 2015

With the development of computer technology, the multimedia mediums that allow for animated videos, conversational illustrations are increasingly receiving attention for materials for educational purposes. Accordingly, there is a need to research whether multimedia resources and material is more effective compared to traditional educational material and resources. This study aims to compare traditional English reading and writing learning methods with learning methods using educational multimedia mediums such as illustrations or animation. Students were divided into a experimental group and a control group, and during 6 months the groups were exposed to different educational resources and on the basis of student evaluation feedback and grades, a new approach to English education is offered.

• Journal of the Korea Academia-Industrial cooperation Society
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• v.15 no.2
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• pp.793-800
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• 2014

The purpose of this study is to analyze the perception and need of the early childhood education field on authentication of teaching materials and implements for young children. To achieve this, a survey was carried out on 350 teachers and directors in Daejeon-based kindergartens and child-care centers from September 21 to September 30, 2013. The results of the analysis are as follows. First, 59.4% of them thought that it needed the evaluation authentication of teaching materials and implements for young children. 32.9% of them had a high perception of the early childhood education field. 39.4% of them had high need of the early childhood education field. And 45.1% of them expected a high effect of introducing the evaluation authentication system of teaching materials and implements for young children. Second, most of them had the highest need of the evaluation authentication of teaching materials and implements for young children in terms of education, followed by function and field. And most of them placed the highest emphasis on social development, safety and language in terms of education, function and field, respectively. Consequently, the use of teaching materials and implements, which the social development and safety in terms of education and function are respectively evaluated and authenticated by the diversity of teaching materials and implements for young children, has need of the high evaluation and authentication of teaching materials and implements that can guarantee the quality when young children use a lot of experiment and observation implements such as block play, reading materials, manipulating materials, making implements.

• Korean Journal of Culture and Social Issue
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• v.14 no.1
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• pp.1-18
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• 2008

The present study was to investigate the developmental change of adolescent's theory of mind. In addition, the relations between theory of mind and the social competence were investigated. Sixty students in each the 6th and 8th grade group were participated in this study. Adolescents' understanding of mind were measured by four kinds of mindreading tasks; the second-order false belief tasks, understanding the ambiguous social behaviors tasks, understading the hidden meaning of a figurative statement tasks, and the "faux pas" tasks. Social skills were measured by social skill scales. Eighth graders performed better than the 6th graders on the understanding the ambiguous social behaviors tasks and faux pas tasks but not on the second-order false belief tasks and understanding the hidden meaning of figurative statement tasks. The results suggests that the mindreading ability continues to develop during the adolescence, especially the ability to interpret others' ambiguous social behaviors by reading their mental states and the ability to understand that a person says a faux pas it is due to a mistaken belief. In addition, the understanding the ambiguous social behaviors tasks was found to be the best task to predict social behaviors. The results suggests that the mindreading ability would be a significant explanatory factor on social competence.

• Annual Conference on Human and Language Technology
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• 1997.10a
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• pp.469-476
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• 1997

본 연구는 한글 전용과 한자 혼용이 글의 이해 속도, 이해 정도, 내용의 기억에 어떤 영향을 미치는 가를 조사하기 위해 실시되었다. 한글 전용론과 한자 혼용론은 각각 나름대로의 논리를 가지고 서로 논쟁을 펼쳐왔다. 먼저 한글전용론의 주장을 살펴보면, 한자는 배우기 어렵고 쓰기도 불편해 쉽게 익힐 수 있는 한글을 사용해야 하며, 한자를 사용함으로 인해서 순 우리말의 발전이 방해를 받고, 글자 생활의 기계화와 출판 문화의 발달에 있어 한자는 이것을 어렵게 한다는 것이다. 반면에, 한자혼용론의 주장에 따르면, 한자말은 한자로 적을 때 그 의미의 파악이 빠르고 정확하고, 우리말 어휘의 절반 이상을 한자어가 차지하고 있으므로 한자를 가르치는 것이 국어교육의 지름길이고, 우리말에는 동음이의어가 많아서 한글로만 적을 경우 그 뜻을 식별하기 어렵고, 한자는 각 글자가 모두 뜻을 가지고 있으므로, 각각을 조합하여 새로운 의미의 단어를 쉽게 만들 수 있음은 물론이고 한글로 쓸 경우 길게 쓰여져야만 하는 것을 짧게 쓸 수 있다는 장점을 가지고 있으며, 한자를 쓰지 않으면 우리의 전통 문화를 이어 받을 수 없으며 한자를 공통으로 쓰고 있는 동양문화권에서도 고립을 초래할 수 있다는 것이다. 이렇게 한글전용과 한자혼용에 대한 의견이 다양한 만큼 우리나라의 한자에 대한 정책도 그 갈피를 잡지 못하고 계속 바뀌어 왔다. 독립이후 정부에서는 법령과 훈령 등으로 모든 공문서에서의 한자사용을 금지하고 일반 사회의 문자 생활에도 한글을 전용할 것을 권고하지만 이 지침은 결국 공문서에만 한정되어 왔고 후에는 이것조차도 유명무실해졌다. 또한 중고등학교의 한자교육 정책도 수차례 변화되어 한글만을 배운 세대가 사회에 나와 여전히 한자가 사용되고 있어 적응에 문제점을 가지기도 하였다. 본 연구에서는 그 동안 계속되어 온 한글과 한잔의 사용에 관한 논쟁을 언어심리학적인 연구 방법을 통해 조사하였다. 즉, 글을 읽는 속도, 글의 의미를 얼마나 정확하게 이해했는지, 어느 것이 더 기억에 오래 남는지를 측정하여 어느 쪽의 입장이 옮은 지를 판단하는 것이다. 실험 결과는 문장을 읽는 시간에서는 한글 전용문인 경우에 월등히 빨랐다. 그러나. 내용에 대한 기억 검사에서는 국한 혼용 조건에서 더 우수하였다. 반면에, 이해력 검사에서는 천장 효과(Ceiling effect)로 두 조건간에 차이가 없었다. 따라서, 본 실험 결과에 따르면, 글의 읽기 속도가 중요한 문서에서는 한글 전용이 좋은 반면에 글의 내용 기억이 강조되는 경우에는 한자를 혼용하는 것이 더 효율적이다.

• Journal of Gifted/Talented Education
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• v.13 no.3
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• pp.87-120
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• 2003

The purpose of this study is to verify empirically whether or not the linguistically creative problem-solving ability progress by developing and applying an enrichment learning program for the verbally gifted elementary school students. The total number of the verbally gifted students who participated in this study were 60 children. Half of them were subjects for evaluating the appropriateness of the enrichment learning program and the verbally creative problem-solving ability test developed by the researcher. The other half were divided into three groups for applying the teaching materials by Korean Educational Development Institute, the enrichment learning program by the present researcher, and the textbook enrichment program. The data were analyzed by the statistical method of repeated measures ANOVA. The results were as follows: First, the enrichment learning program developed by this researcher has greatly contributed to the advancement of verbally creative problem-solving ability. The program was especially effective in reading and writing, but not in speaking. second, the sub-category of reading includes factual, inferential·critical, and imaginary understanding. Among them, factual and imaginary understanding had not significantly advanced, while inferential·critical understanding had significant progression. Third, it was found that both logical and creative expression did not improve significantly by the enrichment learning program developed by the present researcher. Speaking is difficult to instruct. In conclusion, it was found that the systematic enrichment learning program was effective in developing language skills of the verbally gifted elementary school children. It was also proved to be more effective to teach them reading and writing together in everyday life. Also, it was turned out that continuous development of the enrichment learning program for the verbally gifted students is needed.

• Journal of Digital Convergence
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• v.20 no.3
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• pp.343-348
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• 2022

Recently, With the recent rapid development of technology, the amount of data generated by various systems is increasing, and enterprise servers and data centers that have to handle large amounts of big data need to apply high-stability and high-performance storage devices even if costs increase. In such systems, SSD(solid state disk) that provide high performance of read/write are often used as storage devices. However, due to the characteristics of reading and writing on a page-by-page basis, erasing operations on a block basis, and erassing-before-writing, there is a problem that performance is degraded when duplicate writes occur. Therefore, in order to delay this performance degradation problem, over-provision technology of SSD has been applied internally. However, since over-provided technologies have the disadvantage of consuming a lot of storage space instead of performance, the application of inefficient technologies above the right performance has a problem of over-costing. In this paper, we proposed a method of measuring the performance and cost incurred when various over-provisions are applied in an SSD and predicting the system-optimized over-provided ratio based on this. Through this research, we expect to find a trade-off with costs to meet the performance requirements in systems that process big data.

• Proceedings of the Korean Information Science Society Conference
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• 2012.06a
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• pp.200-202
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• 2012

공정기술의 발달로 인해 GPU는 빠르게 발전하고 있다. GPU는 영상처리뿐만 아니라 한 번에 많은 양의 데이터를 처리하는 범용 작업에도 많이 쓰이고 있다. 한편, 최근에는 3차원으로 코어를 적층하는 3차원 CPU구조에 대해 많은 연구가 수행되고 있다. 3차원 구조는 코어를 수직으로 적층시켜 내부 연결망의 길이를 크게 줄여주어 성능을 크게 개선하는 장점을 가지고 있다. 이를 반영하여 GPU에도 3차원 구조를 적용하여 GPU의 성능을 향상시키려는 선행연구에 맞춰 본 논문에서는 3차원 구조 GPU의 성능 향상을 저해하는 요소들에 대해서 분석해 보고자한다. 본 논문에서는 선행연구에서 밝힌 메모리 인터페이스에서 발생하는 병목현상 이외에도 주 메모리 큐 용량과 네트워크 방식에 따른 3차원 GPU의 성능향상을 실험을 통하여 알아본다. 실험 결과 주 메모리 큐 용량에 따른 3차원 GPU의 IPC는 가장 큰 사이즈와 가장 작은 사이즈의 차이가 4 미만으로 주 메모리 큐 용량은 3차원 GPU의 성능에 큰 영향을 미치지 않는 것으로 분석된다. 주 메모리로의 읽기 또는 쓰기 요청들을 순서대로 저장하는 큐의 역할이 3차원 구조 GPU의 동작에는 큰 영향을 미치지 않기 때문으로 분석된다. 반면 네트워크 방식에 따른 실험에서는 fly 네트워크 방식에 비해서 crossbar 네트워크 방식이 더 빠른 데이터 통신을 가능하게 해주어 crossbar네트워크 방식에서 IPC수치가 약 14 증가함을 알 수 있다. 두 가지 실험을 통하여 3차원 GPU의 성능에 네트워크 방식 차이가 주 메모리 큐 용량 변화보다 더 큰 영향을 주는 것을 확인할 수 있다.

• Journal of the Korea Computer Industry Society
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• v.7 no.5
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• pp.481-486
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• 2006

Whereas conveniences deriving from the development of information and telecommunication technology increase, information outflow and illegal data use are also rapidly on the rise. Consequently, many studies to prevent illegal information outflow are currently under way, and the use of Smart Card is in steep jump. Recently, Java Card is diffused fast as an alternative to complement the technical problems of the Smart Card. This paper designed and Implementation the system for multi-users authentication and file access control by user through designing a Java Card applet that is used for information protection and in various application fields. For allowing a file access competence, each user's file access competence is processed via drawing up the access condition table in the applet. Therefore, illegal correction exposure and destruction of information, which become the concerns when multi-users have an access, can be prevented. In addition its application becomes possible in the system requiring multi-users certifications.

• Journal of the Korean BIBLIA Society for library and Information Science
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• v.28 no.1
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• pp.5-23
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• 2017

The purpose of this study is to analyze media in the elementary moral textbooks with the information processing model and suggest some ways to boost media literacy within the school library. In this study, the three national moral curriculum for the 4th, 5th and 6th elementary students are assayed. As the results of analysis, the inputs of the elementary moral textbooks are bias toward pictures (visual media) and stories (printed media), its' processing focus on investigation and workbooks using the table and its' outputs are based on the writing, speaking and making (creating). But there are so lack of specific activities to achieve relevant information form the media and the reading strategies of visual media as the elements of inputs. The school library should serve various reading materials considering the develop of reading interest, make workbooks for learning strategies according to the text types and try to secure collaborative teaching time to resolve the bias toward media of inputs, increase information processing activities and improve students' media literacy.