The article discusses the issues of creating an online course for teaching students. Examples of the formation of tasks in the MOODLE distance learning system are given. The possibilities of developing didactic elements and resources of the system are revealed.
В статье рассматриваются вопросы построения онлайн-курсов для обучения студентов. Приводятся примеры систем дистанционного обучения, в которых такие курсы можно создать. Объясняются вопросы педагогического дизайна электронного курса. The article discusses the issues of building online courses for teaching students. Examples of distance learning systems in which such courses can be created are given. The questions of the pedagogical design of the electronic course are explained.
Развитие информационных технологий предполагает непрерывное совершенствование средств, обеспечивающих обработку и преобразование конфиденциальных данных. Решение подобных задач в масштабе реального времени предполагает совершенствование методов обработки потоковых данных, а также оценку их быстродействия. В статье рассмотрена математическая модель метода преобразования данных, основанная на идее клеточного автомата с плавающим окном. Для исследования быстродействия процесса обработки конфиденциальных данных разработан вариант организации структуры программного модуля с расширенным блоком настроечных параметров, включающим строку активации битовой окрестности обрабатываемых элементов, правило расширения граничных элементов матрицы, определяющее в зависимости от шага работы алгоритма положение соседей обрабатываемого элемента. В статье предложен метод формирования графической зависимости внесенных изменений, косвенно отражающий стойкость метода шифрования и выявляющий соответствие результатов доверительному интервалу. На основе проведенных исследований разработан программный модуль, на базе которого реализовано правило, учитывающее состояние соседних блоков данных для обрабатываемого элемента. Предложенный в статье вариант обработки потоковых данных на базе клеточных автоматов с использованием вычислительных кластеров позволяет оптимизировать скорость обработки потоков данных за счет предварительного этапа оценки соответствия текущего блока пользовательскому шаблону. Использование данного варианта обработки не привело к выходу из доверительного интервала, а распределение бит осталось близким к случайному. В статье проведены экспериментальные исследования на базе разработанного программного модуля, реализующего метод преобразования данных, основанный на идее клеточного автомата с плавающим окном, которые подтвердили полноту и корректность полученных результатов.
Purpose of research. In some classes of information systems, it is impossible to use well-known algorithms for the identification and the authentication the data blocks sources. The reason for this is the duration of the full data processing cycle. The article considers the original algorithm for determining sources for a group of data blocks. It allows you to detect errors faster than the usual iterative algorithm for forming tree structures of blocks by changing the order of base operations. The purpose of the work is to reduce the computational and resource costs for the receiver to perform identification the sources of blocks, each of them has a size not exceeding a few bytes.Methods. The identification method based on the forming a tree structure of incoming information blocks and subsequent analysis of tree branches. It allows selecting a chain of blocks formed by the target source. In the article the formal description of the algorithm is given. The results of the simulation of the procedures for determining the source are presented. In this case, the characteristics of the recursive algorithm were compared with those obtained for the known iterative one.Results. The relationships between the average number of typical hash comparison operations, the average number of tree structure branches, and the number of accepted blocks obtained as a result of simulation modeling. This made it possible to determine the conditions for applying the recursive and iterative algorithms.Conclusion. It is shown that the using of a recursive algorithm for forming a tree structure of frames can reduce the average number of base operations performed by the receiver by 5-10 % and reduce the memory cost for storing tree structure branches by up to 30%.
In order to increase the reliability of legal data and for the proper operation of the hardware and software systems, it is necessary that the hardware component receives data only from the corresponding software. Otherwise, the data received from extraneous programs can lead to errors in the operation of the device or even a complete loss of its functionality or data. In order to identify the challenges of the transfer of blocks, this study focuses on a comprehensive study of the problems arising from the transmission of information in the form of separate data blocks and of the influence of the number of unauthorized blocks on the probability of collisions. In this study, we describe a method for distinguishing legal software data from data sent by unauthorized software sources. The analysis of the methods of reducing the probability of errors occurring at the receiver is done through the use of a buffer to store and a set of mathematical equations. The same way the analysis of the methods of possibility of reducing the reception of the unauthorized blocks when receiving individual blocks of information is done as well. Finally, we measure the extent of the effect of intensity of receiving unauthorized blocks and hash field length.
В статье рассматриваются вопросы, связанные с актуальностью дистанционного обучения. Объясняется разница понятий «дистанционное образование» и «дистанционное обучение». Приводятся примеры методов проведения дистанционных занятий, использования программных средств для обучения студентов. The article deals with the issues related to the relevance of distance learning. The difference between the concepts of “distance education” and “distance learning” is explained. Examples of methods of conducting distance learning, the use of software tools for teaching students are given.
В статье рассматриваются вопросы организации контроля результатов обучения, проводимого в дистанционном формате. Приводятся примеры и анализ ресурсов сети Интернет для создания онлайн-тестов, онлайн-опросов. Выделяются педагогические технологии решения задач дистанционного обучения. The article discusses the issues of organizing control of learning outcomes in a distance format. Examples and analysis of Internet resources for creating online tests, online surveys are given. The pedagogical technologies for solving the problems of distance learning are highlighted.
В статье описывается методическая система эффективного обучения проведению дополнительных построений при решении геометрических задач с использованием компьютерных образовательных программ. Во второй части статьи рассматривается пример, иллюстрирующий реализацию предложенной системы обучения в программе GeoGebra. The article describes the methodological system of effective training in the implementation of additional constructions while solving geometric problems using computer educational programs. The second part of the article considers an example illustrating the implementation of the proposed training system in the program GeoGebra.
Purpose of reseach is to improve the operation of technical systems or performance of socio-economic systems by developing a fuzzy system for selecting a supplier of inventories in logistics companies. The relevance of the study is determined by the absence of a system approach to the formation of a procurement logistics strategy in the overwhelming majority of companies, which makes the operations management of the analysis and evaluation process difficult. When making decisions concerning selecting a supplier, based on the analysis of a variety of sources, various mathematical methods and techniques are used; nevertheless these methods and techniques have a number of drawbacks that do not allow a company to solve the set task with the required effectiveness. Methods. Since the original methods in solving the task of assessing and managing the attractiveness of an object are incomplete and noе clear, the method applied is based on the systems of fuzzy logic inference. The basis of the proposed method is a scheme of the direct fuzzy inference. It is modified by introducing an ordered weighted averaging operator to aggregate the outputs of the production rules. At the first stage of the derivation, the membership functions defined for the input variables are applied to their actual values for the subsequent determination of the degree of truth for each premise of each rule. Then, the calculated truth value for the premises of each rule is applied to the inferences of each rule. This leads to the formation of a fuzzy subset, which is assigned to each output variable for each rule. As a rule of logic inference, we use min operation. At the next stage, the fuzzy value of the membership function of the output variable of each rule is reduced to a crisp type by applying the fast centroid method. To aggregate the output of each production rule, taking into account the degree of their importance for the decision-maker, it is proposed to use the Ronald R. Yager’s ordered weighted averaging (OWA) operator. Results. Ordered weighted averaging and the subsequent ranking of the pairs of alternative firms made it possible to create a list of supplying companies corresponding to the objective ranking. Conclusion. A model verification of the ranking of suppliers of packaging materials for the firms of finished products was performed. The results of an experimental study demonstrate the prospects of the proposed approach taking into account the mutual influence of the indicators.
Introduction. The use of information and communication technologies allows the teacher to update the content of training. The success of the educational process is largely determined by the ICT competence and ICT literacy of the teacher. Data mining based on artificial neural networks can be used as one of the elements of information and communication technologies. The main direction of application of tests is to measure the level of knowledge of students. A large amount of accumulated test results with proper processing can provide the teacher with additional (hidden) data. The use of an artificial neural network for the analysis of test results makes it possible to expand the direction of the tests. Methods. The theoretical basis of the study is based on a complex of scientific statements of domestic and foreign scientists in the field of education and artificial intelligence. Practical research methods are based on an experiment in creating a test in computer science, testing students and accumulating data, as well as their processing simulated artificial neural network. Results. The article describes the process of analyzing the results of research using the SPSS STATISTICA 20 programs. The search for hidden patterns of the test was carried out, the reliability of the results obtained was verified. Discussion. There was suggested the possibility of further application of the results obtained in the educational process. The results obtained can be used to search for and correct difficult or easy test items, and to replace failed test tasks. The teacher has the opportunity to redistribute the time resource for the study of difficult digestible topics, due to easily digestible. The idea of an integrated approach to the use of artificial neural networks in education is proposed.
dobritsa@mail.ru Резюме Perpose of research. The process of controlling and decision making in any area is directly connected with the ability to process a large amount of data quickly and accuracy of the obtained formation. Modeling of different objects or processes as a result of data processing becomes more difficult for users with the high level of modern computer technologies development. And the ability to visualize the results can give more visible information to the decision-maker. The use of Surfer program for geological data processing is described in the article. This application is suitable for processing a large amount of data, surface analysis, landscape visualization, and mapping. Examples of specific tasks solution with the help of Surfer program are described. Methods . Theoretical basis of the study is a set of scientific provisions of native scientists in the field of geological modeling. Practical methods of analysis are based on an experiment of contour geological map creation of nickel distribution, empirical (geochemical data processing), statistical (accumulation of obtained data and their processing with Surfer program) analysis. Results. The process of geological data processing using Surfer program are discussed in the article. A contour geological map of nickel distribution was developed. Conclusion. The paper proposed the possibility of using Surfer program for geological data. The use of this task-solving application in student training will help future geologists in necessary practical skills acquiring for geological data processing, reducing task-solving time, acquiring the ability to evaluate the results of development in projects and improving the level of information technology and
The article focuses on the feasibility of applying information technologies in the process of training future geologists. Considers the methodological aspects of teaching future geologists information technologies. As an example the vector editor CorelDraw, which allows to perform vector drawings is considered. Formulate conclusions that the use of specialized software for solving geological problems in the classroom will help future professionals to acquire the skills to processing geological data, evaluating the results of developments in the student work, projects, and to increase the level of information technological and professional competence.
The article describes the use of modern information technologies in compressive teaching school students mathematics and advantages of using computer technologies in the educational process.
The article discusses how focus students in math in the context of compressive learning technologies, provides specific recommendations that can enhance the students' attention in the classroom. Proves the effectiveness of the compressive teaching students mathematics.
An article describes an approach in cheating an information technology competence at the bachelors a of course of «Business Informatics» in process of studying the disciplines of professional cycle by the example of subject «computing systems, networks and telecommunications».
This article discusses the use of the program «MathCAD» in teaching students of economic specialties of mathematics. It is shown that the use of this software product contributes to the effective development of methods for solving problems of the theory of probability.
In article the algorithm for determining the level of training of students which is realized by computer means is stated.