• Proceedings of the Korean Institute of Communication Sciences Conference
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• 1996.10a
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• pp.653-656
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• 1996

• CDE review
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• v.3 no.2
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• pp.10-15
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• 1997

Windows95의 출현으로 이제 웍스테이션과 퍼스널 컴퓨터의 구분은 모호해지고 있다. Windows 3.1이나 애플 매킨토시 시대의 PC는 16비트 어드레싱 구조의 제약으로속도가 느려 엔지니어링 프로그램과 같은 복잡한 응용 분야에 사용하기 어려웠다. 이제 웍스테이션과 PC를 구별하는 기준은 주로 가격과 성능이다. PC는 대개 $2000에서 $5000 사이에 팔리고 있으며 이보다 더 비싸면 웍스테이션으로, 당연히 PC보다 좋은 성능을 가질 것으로 기대된다. 이제 CAD 업무 관리자들의 의문은 '상대적으로 비싼 비용을 지불해야 하는 웍스테이션이 언제 필요한가'이다. 대부분의 엔지니어링 적용 분야에서는 이제 웍스테이션을 더 이상 필요로 하지 않는다고 믿어지며, 어떤 적용 분야에서는 보다 빠른 연산 속도와 그래픽 가속기의 웍스테이션이 그 의미를 가진다.

• IE interfaces
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• v.11 no.2
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• pp.79-92
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• 1998

For the PCB inspection by computer vision, in some cases, the MRLC file should prepared. The MRLC file contains a RLC(Run Length Code) and a direction flag. In this paper, a generating method of MRLC is described. It is composed of two procedure as followings; (i) rasterizing Gerber file which is a vectorized image of PCB panel, and (ii) calculating a MRLC that is useful for the inspection as a template image. The suggested procedures are written in C-language and executable on Windows 95 and Windows NT.

• Journal of Korea Multimedia Society
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• v.24 no.1
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• pp.95-105
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• 2021

In the case of laptops and tablet PC's that replace desktop, it uses the Windows operating system to provide various functions depending on operating system dependency, the Windows operating system does not support real-time processing because it uses multi-level feedback queue scheduling that extends round-robin scheduling. Also, since the initial value of Local APIC Counter can not be obtained from the Windows 8, the real-time processing function provided through the existing RTiK does not work. In this paper, we calculate Local APIC Counter value by using MSR_FSB_FREQ register to support real-time processing function on tablet PC's. We designed and implemented RTiK+, which provides real-time processing function to guarantee the periodicity by calculating the operation time of accurate timer. In order to verify and evaluate the performance of the implemented the RTiK+, the period was measured by using the Read Time-Stamp Counter(RDTSC) instruction and it was confirmed that it operates normally at 1ms and 0.1ms period.

• Proceedings of the KSME Conference
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• 2000.04a
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• pp.666-671
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• 2000

In this paper, we developed a Windows 95 version off-line programing system which can simulate a track vehicle model in 3D graphics space. The track vehicle was adopted as an objective model. The interface between users and the off-line program system in the Windows 95's graphic user interface environment was also studied The developing language is Microsoft Visual C++. Graphic libraries, OpenGL, by Silicon Graphics, Inc. were utilized for 3D Graphics.

• Journal of the Korean Society of Surveying, Geodesy, Photogrammetry and Cartography
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• v.15 no.2
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• pp.141-148
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• 1997

Continuous development of Personal Computer(PC) combined with the decrease of price and the expansion of operating system in PC like Windows 95, and Windows N/T makes it possible for the user to consider PC-bas-ed Automated Happing/Facilities Management (AM/FM) system. Therefore, the purpose of this study is to establish a PC-based data automation system of pipe infrastructures-water, sewer, and drainage-and road in Korea Land Corporation. In order to achieve this goal, relevant literature survey was done first. Secondly, the study site was determined by discussion with Korea Land Institute. Thirdly, PC-based CAD software for AM/FM in the world market were surveyed, and AutoCAD Map was selected because KLC had been using hundreds of AutoCAD copies already. After that user needs assessment was done to visit on-site office, local branch office, and the corresponding city office for the system design and database design. After the graphic data were digitized and the attribute data were entered into the batabase, the data automation system was established, and tested for application. Finally, the guidelines and problems for PC-based data automation in AM/FM was discussed.

• Structural Engineering and Mechanics
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• v.7 no.6
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• pp.589-599
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• 1999

This paper presents the development and applications of the software package JIFEX, a new finite element system which can be used for structural analysis and optimum design by the modern computer hardware and software technologies such as MS Windows95/NT and Pentium PC platforms. The complete system of JIFEX is programmed with $C/C^{++}$ language to make full use of advanced facilities of MS Windows95/NT. In the system, the finite element data pre-processing, based on the most popular CAD package AutoCAD (R13, R14), has been implemented, so that the finite element modeling could be integrated with geometric modeling of CAD. The system not only has interactive graphics facility for data post-processing, but also realizes the real-time computing visualization by means of the Dynamic Data Exchange (DDE) technique. Running on the Pentium computers, JIFEX can solve large-scale finite element analysis problems such as the ones with more than 60000 nodes in the finite element model.

• Journal of the Korea Institute of Information Security & Cryptology
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• v.9 no.4
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• pp.49-60
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• 1999

In this paper we introduce the definition and historical overviews of computer virus program and review their side-effect and ways of infections. We describe the feature of CIH virus which damaged lots of PC systems in Asian countries recently and propose new methods how to rescue against destruction under the operating system of the Microsoft's Windows 95/98. Our experiment results can fix hard disk having FAT32 file system structure and show some popular program cases of having recovered by commercial vaccine program.

• Proceedings of the Korean Society of Machine Tool Engineers Conference
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• 2001.04a
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• pp.223-228
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• 2001

• KIEAE Journal
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• v.14 no.3
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• pp.87-95
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• 2014

The purpose of this study is to evaluate the correlation coefficients between the airtightness and sound insulation performance of Han-style windows in New Han-ok. To achieve these goals, field measurements were accomplished in 18 bedrooms of 16 Han-oks in which actual residents were living, and then lab measurements were proceeded in the reverberation lab for evaluating the sound insulation performance. Followings are results. The results of the correlation analysis between the airtightness(Air change per hour at 50 Pa, ACH50) and sound insulation performance(Sound reduction index, Rw) in bedrooms of actual Han-oks, it was found that there were no significant correlation between two evaluating values. On the other hand, it was analyzed that the correlation coefficients of total 24 structures(double casement windows, single casement window, casement and sliding windows, single sliding window, 6 types per each structure) were located on 0.6757 exponentially and 0.4154 lineary in the lab evaluating conditions. But, The results of evaluating 4 structure classificatorily, it was found that there were high correlation coefficients(0.8665~0.9273 at ACH50, 0.8414~0.9346 at Rw). These results were signified that the correlation coefficients were changed according to the each structure and case by case analysis were necessary at the same time.