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19th Koli calling conference on computing Education Research (Koli calling)

作者： Rytkonen, Anni Virtakoivu, Venla Aalto Univ Helsinki Finland

ISBN: (纸本)9781450377157

courses in c programming at two Finnish universities were assessed with electronic exams. In the study setting, two types of electronic exams were used: lecture hall exams and exam studio exams. Student experiences were collected with surveys and interviews, and system data was used for exam statistics. The results were compared between exam types and between universities. The results show that electronic exams are perceived by the students as more realistic and natural in programming exams than traditional pen and paper exams. Thus, electronic exams support the development of working life skills above pen and paper exams. Students in the lecture hall exam described challenges not relevant in the exam studio exam, and on the other hand, students in the exam studio exam described benefits not available in the lecture hall exam. Based on the study, electronic exams are strongly recommended for programming courses using exams for summative assessment. In addition, programming environments are recommended for added authenticity in reflection toworking-life skills, and exam studios are recommended because of the added values they provide compared to lecture hall exams.

关键词： electronic examining student assessment programming course programming in c c programming lecture hall exam exam studio exam

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In-Lab programming Tests in a Data Structures course in c for Non-Specialists 17

In-Lab Programming Tests in a Data Structures Course in C fo...

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AcM SIGcSE Technical Symposium on computer Science Education (SIGcSE)

作者： Knorr, Edwin M. Thompson, christopher Univ British Columbia Dept Comp Sci Vancouver BC V6T 1Z4 Canada

ISBN: (纸本)9781450346986

This paper reports on our experiences with in-lab programming tests ( i.e., using a compiler and IDE) in a large undergraduate data structures course in c for non-specialists. By adding a suite of in-lab programming tests to our regular assessments ( midterm, final exam, programming homework, etc.), we expected students to improve significantly in these areas: ( 1) programming ability as measured by final exam grades on programming-related questions, ( 2) confidence in programming ability, and ( 3) contributions/effectiveness in pair programming partnerships. Goal ( 1) was not met. Although Goal ( 2) was met, improved confidence did not translate into improved performance. Goal ( 3) was partially met. We present data gathered from in-lab programming test assessments, final exam programming assessments, and post-course surveys, including a two-year follow-up survey.

关键词： Data structures c programming laboratory exams programming tests computer-based assessment confidence pair programming

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MOOc-Ready System for a course on Fundamentals of programming using c: Development and Analysis 19

MOOC-Ready System for a Course on Fundamentals of Programmin...

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Proceedings of the 3rd International conference on Digital Technology in Education

作者： cheryl B. Pantaleon Larmie S. Feliscuzo cherry Lyn c. Sta. Romana Cebu Institute of Technology University Cebu City Cebu Philippines

ISBN: (纸本)9781450372206

The study aimed to create a MOOc-ready system to help students learn the fundamentals of programming course using the c language for free. The student has to learn the course with less management from the instructor but with full support. Moodle was the learning management system used in the development of the course. Because of its powerful tools and extensive set of plugins, real-time teaching-learning feedback and adaptive learning method when answering programming problems were the system's distinctive features. The Moodle plugin codeRunner was used to test the intended learning outcomes of the course. To check the efficiency and effectiveness of the system, an evaluation was conducted with the faculty members that had been teaching the course and students that had already taken up the course. There were six attributes that best describe an effective MOOc (namely: content structure, participatory, distributed, pedagogy, assessment and duration). The result was very satisfactory.

关键词： Moodle MOOc E-Learning Learning Management System codeRunner c programming fundamentals of programming

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A comparative Study of Two Matrix Multiplication Algorithms Under current Hardware Architectures 30th

A Comparative Study of Two Matrix Multiplication Algorithms...

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30th International conference on Parallel and Distributed Processing Techniques, PDPTA 2024, held as part of the World congress in computer Science, computer Engineering and Applied computing, cScE 2024

作者： Olatunde, Samuel colmenares, Eduardo Department of Computer Science McCoy College of Science Mathematics and Engineering Midwestern State University Wichita FallsTX76308 United States

ISBN: (纸本)9783031856372

A widely used computationally intensive scientific kernel, the matrix multiplication algorithm is at the heart of many scientific routines. Resurging fields, such as artificial intelligence (AI), strongly benefit from fast and accurate processing of large matrices. Through the years, multiple efforts have been made to derive new algorithms capable of achieving better performance than the naive matrix multiplication approach Θ(n3). One of those is Strassen’s variant Θ(n2.81). This research compares the benefits and differences of using an optimal version of Strassen’s algorithm versus the naive algorithm. The performance analysis makes use of the two most dominant high-performance computing (HPc) architectures available within the Lonestar6 cluster at Texas Advance computing center (TAcc), the multi-core (cPU) and many-core (GPU) architectures. © The Author(s), under exclusive license to Springer Nature Switzerland AG 2025.

关键词： c programming cUDA GPU Matrix Multiplication Strassen’s TAcc

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A Power and Performance Study of compact L-Band Total Power Radiometers for UAV Remote Sensing Based in the Processing on ZYNQ and ARM Architectures

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IEEE JOURNAL OF SELEcTED TOPIcS IN APPLIED EARTH OBSERVATIONS AND REMOTE SENSING 2022年 15卷 1103-1113页

作者： Mera, Daniel Ernesto Solis, Rafael A. Rodriguez Reyes, Lorenzo Armstrong, Roy Hernandez, William J. Guzman-Morales, Alba L. Elect & Comp Engn Dept Mayaguez PR 00680 USA Univ Puerto Rico Marine Sci Dept Mayaguez PR 00680 USA

This article presents a study on the power consumption and performance analysis of a small, portable, and ultra-low power total power L-band radiometer. The article explores two processing architectures: the ZYNQ 7010 and the ARM A8 embedded microprocessor. The processing algorithm based in c++ was tested for different clock frequencies, ADc sampling speeds, and sizes of the ADc buffer. To reduce the power consumption and the algorithm execution time, high-level and system-level optimizations, along with fixed-point Q(16,16) data representation, were applied to the main code running on LINUX Debian V8. In the case with the ZYNQ 7010, the optimizations had no notable impact on reducing power or execution time in comparison with the ARM A8, where significant variations were measured, showing a tradeoff between power consumption and algorithm performance that limits the processing capability and the system flight time. The ZYNQ 7010 runs the algorithm faster, but the power consumption is higher than the ARM A8. Using the fixed-point Q(16,16) implementation reduced the power consumption and the execution time in both architectures. Based on these results, we developed a heuristic methodology to minimize power consumption and increase the performance. Energy consumption savings for the radiometer during 20 min of flight was 48%. The size of the radiometer was reduced to 30 cm x 30 cm x 10 cm, with a weight of 1.36 kg, (3 lb) allowing the system be carried by small drones. The results were validated measuring salinity at two locations in Western Puerto Rico.

关键词： Radiometers Power demand L-band Microprocessors Field programmable gate arrays Optimization Microstrip antenna arrays c programming compact radiometer embedded system LINUX low power microwave radiometry performance salinity remote sensing

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Design and implementation of a real-time digital signal processing system using PIc24 microcontroller and wireless GUI control

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INTERNATIONAL JOURNAL OF cOMPUTER APPLIcATIONS IN TEcHNOLOGY 2020年第3期64卷 235-251页

作者： Tang, Shensheng Stangl, Alex Magar, Manish Ale Shubham, K. c. St Cloud State Univ Dept Elect & Comp Engn St Cloud MN 56301 USA

In this paper, a real-time Digital Signal Processing (DSP) system is designed and implemented by using a PIc24 microcontroller circuit and a c# GUI application running on Pc. The wireless communication between the PIc24 subsystem and the GUI subsystem is implemented via Bluetooth modules on the subsystems. The DSP system first digitises an input square signal of a certain frequency through an on-chip ADc of PIc24 microcontroller, then uses different FIR digital filters to extract certain harmonics of the input signal, and outputs it as a sinusoidal signal to an on-chip DAc as well as sends the sampled data and filtered data over Bluetooth to the GUI. The GUI, besides plotting the input and output wave forms, can provide a means of controlling all functionalities of the system through a developed communication protocol. The design and implementation for the proposed DSP system are successfully demonstrated by experimental results. The hardware and software co-design method can be extended to other industrial applications and used as a good paradigm of engineering education for college students.

关键词： DSP digital signal processing PIc24 microcontroller ADc DAc c programming c# programming GUI FIR filter Bluetooth

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Effective c

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cOMPUTER 2020年第11期53卷 79-82页

作者： Seacord, Robert c. NCC Grp Manchester Lancs England

The world runs on code written in c, yet more can be done to help developers learn to write professional, secure, and effective c programs. This article describes why the c programming language has succeeded and what&... 详细信息

关键词： c Language programming Security Of Data c programming c Language c Program Security c code

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Multimedia web-based programming development environment

Multimedia web-based programming development environment

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37th Annual Frontiers in Educationconference

作者： Perry, Richard Villanova Univ Dept Elect & Comp Engn Villanova PA 19085 USA

ISBN: (纸本)9781424410835

A web-based environment for c, Java, and Unix shell script programming is described, together with its use in an engineering freshman c programming course. Besides the usual program development facilities such as compiling and debugging, the environment also provides multimedia features for presentation of program output, including audio, interactive graphics, interactive I/O, and HTML forms. The interactive graphics feature plots one or more user-defined functions and includes a graphical implementation of Newton's method for finding a zero given a function and its derivative. The audio feature plays 8 KHz. sampled sound which may be generated by a program directly or by performing signal processing on an input file. The HTML output feature allows students in advanced courses to develop specialized web-based sub-environments. The environment can be customized to provide different prototype files for each subproject of multiple courses and also different files for each student.

关键词： c programming plotting programming development environment web-based

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Work in Progress - Spreadsheet Implementation programming Project course

Work in Progress - Spreadsheet Implementation Programming Pr...

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IEEE Frontiers in Education conference 2008

作者： Perry, Richard Villanova Univ Dept Elect & Comp Engn Villanova PA 19085 USA

ISBN: (纸本)9781424419692

Development of a course and textbook focusing on implementation of a spreadsheet program is proposed. The semester-long course will be suitable as a senior elective or graduate course for students with a background in c programming, Unix, and data structures. It will bring together aspects of compiler construction, parser design using Flex and Bison, parse trees, linked lists, function tables, function callbacks, symbol tables, and functional programming. The emphasis will be on the computational internals, so the spreadsheet will operate in "batch" mode, with simple text output, and a separate backend processor will be used to create a web-based GUI.

关键词： Spreadsheet Implementation Parser Design c programming

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An explanation tool to support learning of basic programming

An explanation tool to support learning of basic programming

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36th Annual Frontiers in Education (FIE 2006)

作者： Tobar, carlos Miguel Oliveira, claudio Luis de Freitas, Ricardo Luis Pontifical Catholic Univ Campinas Campinas SP Brazil Polytech Fac Jundiai Campinas SP Brazil

ISBN: (纸本)9781424402564

Intelligent Tutoring Systems (ITS) have assisted engineering students in several domains. The domains considered ideal for ITS contain easily represented issues in computational form and allow the interaction type between student and ITS be limited to a restricted set of words, symbols, and numbers. It is proposed to exploit intelligent system technology to support an explanation process in the context of ITS. A system was developed to support explanations of examples to assist the learning process of basic programming. Examples of c programs, previously elaborated by a teacher, are presented to a student from who are expected explanations to source-code regions. Using techniques of approximate natural language understanding, the system tries to recognize explanation contents to send the result to a module that classifies explanations as correct, incorrect, or incomplete according to the context of the proposed activity. The context can be configured by the teacher. After explanation processing, an ITS could determine the subsequent stages according to its educational strategy.

关键词： c programming explanation intelligent tutoring system learning support

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