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Dissertations / Theses on the topic '1:1 Digital devices'

Author: Grafiati

Published: 25 June 2021

Last updated: 29 July 2025

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1

Dumas, Kuchling Janine. "1:1 Digital devices and preparatory school teachers’ classroom practices." Diss., University of Pretoria, 2020. http://hdl.handle.net/2263/80435.

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In this study, the influence of a 1:1 digital device on South African preparatory school teachers’ perceptions regarding their classroom practices is described. The focus is on the Chromebook as an ‘artifact’ of learning. Digital technology is becoming prevalent in all education spheres and, subsequently, interest in this topic is growing. In order to create an environment where optimal learning takes place, teachers and pupils should adapt their learning and teaching methods to embrace the effects of technology. Teachers are at the forefront of education and education trends involving digital

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Rosi, Tommaso. "Digital Physics Education - Personal devices, mediated reality, serious gaming." Doctoral thesis, University of Trento, 2017. http://eprints-phd.biblio.unitn.it/2746/1/Digital_Physics_Education.pdf.

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In this work we discuss some of the most interesting new doors that the diffusion of low-cost, high-tech devices is opening. It is divided in two main sections. In the first part, Chapter I, the general research framework in which we are working is presented. Then, in the second, third and fourth chapters several examples of practical applications regarding the presented topics, all designed and realized by the author (within his research group) are discussed. In particular: a workshop about scientific visualization held at the University of Trento in Chapter II; a teaching/learning sequence

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Hayashi, Takayuki. "A 1 V floating-point analog-to-digital converter for portable communication devices." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape11/PQDD_0005/MQ45436.pdf.

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Smith, Loretta Marie. "Engaging at-risk vocational education students with mobile devices." Thesis, Queensland University of Technology, 2015. https://eprints.qut.edu.au/90505/1/Loretta_Smith_Thesis.pdf.

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The potential of using mobile devices to increase learner engagement within a small group of at-risk vocational education students was studied through a qualitative case study. It was found that the use of mobile devices could be a strategy educators may use to reduce the barriers these students often encounter within traditional classrooms. Notions of interactivity, ease of use, existing familiarity and fluency were found to be fundamental variables that were central to the group's use of mobile devices. The study provides direction for educators looking for innovative ways to engage students

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RIZZO, LIGIA AMORIM. "DIGITAL TV IN MOBILE DEVICES: OPPORTUNITIES IN THE LOW INCOME COMSUMERS." PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 2009. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=15719@1.

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PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO<br>A televisão sempre ocupou um lugar relevante na vida cotidiana do brasileiro, e novas possibilidades de consumo podem vir a influenciar o modo como o telespectador se relaciona com conteúdo televisivo. A influência da televisão na vida cotidiana do brasileiro e a difusão da telefonia celular nas camadas de baixa renda criaram um cenário favorável para a introdução e posterior adoção da TV portátil no celular, viabilizada pela implantação da tecnologia de TV Digital no Brasil. A teoria do aprendizado por analogia foi usada como arcabouço teó

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LIMA, MAURO VIEIRA DE. "AGGREGATE INTERFERENCE FROM WHITE SPACE DEVICES IN DIGITAL TERRESTRIAL TELEVISION RECEIVERS." PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 2017. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=31669@1.

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PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO<br>COORDENAÇÃO DE APERFEIÇOAMENTO DO PESSOAL DE ENSINO SUPERIOR<br>PROGRAMA DE EXCELENCIA ACADEMICA<br>A tecnologia do rádio cognitivo tem sido pesquisada para utilização mais eficiente do espectro, pois permite o aproveitamento de faixas de frequência subutilizadas. Dispositivos rádio cognitivos que operam na banda de frequência da TV digital são conhecidos como White Space Devices (WSD) e utilizam canais livres sob a condição de não provocar interferência acima do limite estabelecido pelo órgão regulador. A autoridade reguladora do Reino Uni

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CARRION, PATRICIA TORRES PEREIRA. "THE RELATION OF VISUAL-DIGITAL LITERACY IN USER INTERACTION WITH MOBILE DEVICES." PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 2017. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=30700@1.

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PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO<br>COORDENAÇÃO DE APERFEIÇOAMENTO DO PESSOAL DE ENSINO SUPERIOR<br>PROGRAMA DE SUPORTE À PÓS-GRADUAÇÃO DE INSTS. DE ENSINO<br>O ritmo acelerado de inovação tecnológica destaca as questões da relação entre usuários, objetos e ambientes digitais, e, evidencia, no contexto das interfaces gráficas, a existência de uma Alfabetização Visual-Digital. O meio digital, construído pela intersecção de diferentes mídias que misturam gêneros visuais distintos, exige dos usuários um conjunto específico de habilidades, uma vez que a instabilidade das interaçõ

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Radaelli, Mara Regina Rosa. "APLICATIVOS EM DISPOSITIVOS MÓVEIS: UMA PROPOSTA INOVADORA DE LOUSA DIGITAL NA FORMAÇÃO DE PROFESSORES." Universidade Federal de Santa Maria, 2016. http://repositorio.ufsm.br/handle/1/10688.

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This research entitled "Applications in Mobile Devices: An Innovative Digital Lousa Proposal in Teacher Training", developed in research line Educational Technology Development Research Network, and in the Area of Concentration, Educational Technologies in Network for Innovation and Democratization of Education in the Master's degree in Educational Technology Network, in UFSM, focuses on the use of applications on mobile devices in the classroom. Such mobile devices appear as the most present contemporary technologies in everyday life and are used for many different activities, both personal a

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Weizenmann, Carlos Eduardo. "ALFABETIZAÇÃO DIGITAL MEDIADA POR TABLETS PARA CRIANÇAS E ADOLESCENTES EM TRATAMENTO ONCOLÓGICO." Universidade Federal de Santa Maria, 2015. http://repositorio.ufsm.br/handle/1/10675.

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The use of mobile technologies becomes ever more present and necessary in our lives, either for routine activities or education. Based on this argument, this dissertation aims to analyze the possible contribution of using tablet as a tool to develop different methodologies for digital literacy, thus providing inclusion in the "technological world". The use of technological resources (tablet) has become a necessary tool to assist teaching and learning process of children and adolescents. For this reason, it is important to conduct a qualitative study using the method of action research by allow

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Polonio, Dalle Christian Vinicius Coelho. "Uma proposta para o ensino de estática no ensino médio." Universidade Tecnológica Federal do Paraná, 2018. http://repositorio.utfpr.edu.br/jspui/handle/1/3089.

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Acompanha: Produto educacional: Uma proposta para o ensino de estática no ensino médio a partir de uma midia digital<br>Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)<br>O presente estudo teve como objetivo produzir uma mídia digital sobre o conteúdo de estática com diferentes recursos a serem utilizados pelo professor de física, bem como, aplicar e verificar o potencial pedagógico dessa mídia, ou dos recursos presentes nessa mídia, junto a uma turma da primeira série do ensino médio de uma instituição pública da cidade de Paiçandu, Paraná. A mídia digital produzida se pau

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Veiga, Ricardo Sales da. "Sistema de navegação e localização para um robô escalador magnético de inspeção baseado em sensores LIDAR." Universidade Tecnológica Federal do Paraná, 2015. http://repositorio.utfpr.edu.br/jspui/handle/1/1255.

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ANP; FINEP; MCT; CAPES<br>Este trabalho objetiva otimizar a localização de um robô móvel para a inspeção dos tanques de armazenamento de GLP -- Gás Liquefeito de Petróleo -- e permitir a navegação autônoma deste robô por toda a superfície do tanque. A falta de marcos no interior dos tanques levou ao desenvolvimento de uma solução envolvendo detecção de pequenas estruturas com sensores LIDAR (Light Detection and Ranging - Detecção e Telemetria por Luz) aplicada aos cordões de solda, estes sim presentes no interior do tanque, que é apresentada na primeira parte do trabalho. Em seguida, aplicand

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Jokowiski, Graciela Johnsson Campos. "As janelas de David Hockney: os dispositivos móveis no processo de criação artística." Universidade Tecnológica Federal do Paraná, 2017. http://repositorio.utfpr.edu.br/jspui/handle/1/2593.

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Esta dissertação apresenta uma abordagem sobre os dispositivos móveis como possíveis mediadores do pensamento artístico. Fundamentada em conceitos teóricos que permeiam as relações entre arte, imagem e tecnologia, pretende compreender a participação destes dispositivos no processo de criação a partir da observação da arte visual de David Hockney nos celulares e tablets. Seus objetivos específicos abrangem estudos de como os artistas da arte contemporânea têm se expressado por meio das imagens e como as janelas digitais têm participado deste movimento. A dissertação se inicia com um estudo teór

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Quadros, Thiago de. "Development and evaluation of an elderly fall detection system based on a wearable device located at wrist." Universidade Tecnológica Federal do Paraná, 2017. http://repositorio.utfpr.edu.br/jspui/handle/1/2619.

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A queda de idosos é um problema de saúde mundial. Todos os anos, cerca de 30% dos idosos com 65 anos ou mais são vítimas de quedas. Além disso, as consequências de uma queda podem ser fisiológicas (e.g. fraturas ósseas, ferimentos musculares) e psicológicas, como a perda de autoconfiança, levando a novas quedas. Uma solução para este problema está relacionada com ações preventivas (e.g. adaptação de mobília) aliadas a sistemas de detecção de quedas, os quais podem notificar familiares e serviços médicos de urgência. Como o tempo de espera por socorro após uma queda está relacionado com a sever

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Carvalho, Tatiana Maria Couto. "Objetos de aprendizagem digitais: uma análise sobre a sua pertinência pedagógica para o ensino e aprendizagem de língua espanhola." Universidade Tecnológica Federal do Paraná, 2017. http://repositorio.utfpr.edu.br/jspui/handle/1/2708.

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O aumento no uso dos recursos tecnológicos no ambiente escolar, especificamente nas aulas de línguas estrangeiras, revela a importância de uma discussão sobre o tema e a necessidade de uma análise consistente sobre os materiais digitais utilizados com propósito educativo. Considerando a relevância global da língua espanhola e a importância estratégica que seu estudo representa para o Brasil, esta pesquisa objetiva analisar a pertinência pedagógica dos objetos de aprendizagem digitais disponíveis para o ensino e aprendizagem da língua espanhola, fundamentando-se nos documentos oficiais para a e

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Hynčicová, Tereza. "Plánování a analýza pohybu zařízení pro absolutní kalibraci GNSS antén." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2014. http://www.nusl.cz/ntk/nusl-227138.

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The thesis is aimed at movement analysis and planning of a robotic device for absolute GNSS antenna calibration, which is developed at Brno University of Technology, Faculty of Civil Engineering, Institute of Geodesy. The first section is devoted to independent verification of the temporal synchronization of the robotic device’s movement, which is a prerequisite for the successful antenna calibration. The following section is focused on analysis of moveable characteristics since their knowledge is crucial for the following movement planning. Method of the device’s movement shooting by camera a

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Nishibe, Caio Arce. "Central de confrontos para um sistema automático de identificação biométrica: uma abordagem de implementação escalável." Universidade Tecnológica Federal do Paraná, 2017. http://repositorio.utfpr.edu.br/jspui/handle/1/3142.

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Com a popularização do uso da biometria, determinar a identidade de um indivíduo é uma atividade cada vez mais comum em diversos contextos: controle de acesso físico e lógico, controle de fronteiras, identificações criminais e forenses, pagamentos. Sendo assim, existe uma demanda crescente por Sistemas Automáticos de Identificação Biométrica (ABIS) cada vez mais rápidos, com elevada acurácia e que possam operar com um grande volume de dados. Este trabalho apresenta uma abordagem de implementação de uma central de confrontos para um ABIS de grande escala utilizando um framework de computação em

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Hitchcock, Yvonne Roslyn. "Elliptic curve cryptography for lightweight applications." Thesis, Queensland University of Technology, 2003. https://eprints.qut.edu.au/15838/1/Yvonne_Hitchcock_Thesis.pdf.

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Elliptic curves were first proposed as a basis for public key cryptography in the mid 1980's. They provide public key cryptosystems based on the difficulty of the elliptic curve discrete logarithm problem (ECDLP) , which is so called because of its similarity to the discrete logarithm problem (DLP) over the integers modulo a large prime. One benefit of elliptic curve cryptosystems (ECCs) is that they can use a much shorter key length than other public key cryptosystems to provide an equivalent level of security. For example, 160 bit ECCs are believed to provide about the same level of security

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Hoffmann, Daniela Stevanin. "Modalidade 1:1 : tecnologia individual possibilitando redes de fluência digital." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2011. http://hdl.handle.net/10183/34145.

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Alunos, professores, gestores, pesquisadores universitários, objetos tecnológicos, arquivos, registros, habilidades, ... são os nós que compõem a grande rede tecida na experiência piloto do Projeto Um Computador por Aluno na Escola Estadual de Ensino Fundamental Luciana de Abreu de Porto Alegre no Rio Grande do Sul onde foi desenvolvida a presente pesquisa. O problema central desta investigação é compreender como se dá a constituição de uma Rede de Fluência Digital a partir do trabalho com Projetos de Aprendizagem mediado pela tecnologia individualmente disponível na modalidade 1:1. A fim de i

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Therriault, Victoria. "Exploring Factors Related to Acceptance of 1|1 Devices among High School Students." Thesis, Northern Illinois University, 2019. http://pqdtopen.proquest.com/#viewpdf?dispub=10977175.

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<p> Studies show that students in lower socioeconomic status (SES) districts tend to have fewer resources, and in turn have greater achievement gaps than their affluent peers from neighboring districts. In an effort to bridge these gaps, schools have turned to 1:1 computing to bring electronic resources to their students that they might not have otherwise. However, to date there are minimal studies indicating whether or not high school students are willing to accept technology for classroom instructional purposes. This study examined the extent to which student demographic characteristics (e.g

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Bagnini, Eugenio <1982&gt. "Fitness, Wellness e cura del corpo nella società digitale: Opportunità e rischi sociali dei Device mobili personali." Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2018. http://amsdottorato.unibo.it/8708/1/Bagnini_Eugenio_Tesi.pdf.

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Le implicazioni e le ricadute sociali, le opportunità e i rischi sociali legati all’uso dei dispositivi digitali personali e delle piattaforme web based all’interno delle pratiche sportive individuali, di fitness e di wellness hanno costituito l’oggetto di studio del presente lavoro. La fase iniziale è stata di natura teorica e nei primi quattro capitoli vengono analizzati il fenomeno sportivo (cap. 1), le pratiche di body building, fitness e wellness (cap. 2), le dimensioni fondamentali della società digitale (cap. 3) e gli usi dei dispositivi digitali personali (cap. 4). La metodologia d

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Sádaba, Teresa. "Moda en el entorno digital [Capítulo 1]." Universidad Peruana de Ciencias Aplicadas (UPC), 2020. http://hdl.handle.net/10757/652852.

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Desde hace varios años se habla de adaptarse al entorno digital, pero ¿cómo hacerlo con éxito y a partir de la moda? La respuesta la tiene este libro, Moda en el entorno digital, que presenta diversos casos y perspectivas que nos ayudarán a comprender la relación que debe tener la moda, la comunicación y el negocio para poder triunfar en el mundo actual. La publicación cuenta con entrevistas, datos cuantitativos y análisis de campo que proponen conocer el negocio de la moda y nos ofrece las claves necesarias para conocer lo que son los e-commerce, la omnicanalidad, el consumidor digital, el se

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Kaube, Benjamin. "Plasmonics : from electrons to devices." Thesis, Imperial College London, 2017. http://hdl.handle.net/10044/1/58997.

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From molecular sensors to perfect lenses, plasmonic devices promise a wealth of breakthrough applications by coupling light to oscillations of the electron plasma. In order to harness the full technological potential of plasmonics, coherent plasma excitations must be sustained over many cycles. On the scale of practical devices, optical properties of media are characterised by the mascroscopic dielectric function. This quantity can be determined from first principles in terms of transitions between electronic states. Understanding of losses within plasmonic systems must thus be built up from e

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Briscoe, Gerard. "Digital ecosystems." Thesis, Imperial College London, 2009. http://hdl.handle.net/10044/1/6158.

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We view Digital Ecosystems to be the digital counterparts of biological ecosystems, which are considered to be robust, self-organising and scalable architectures that can automatically solve complex, dynamic problems. So, this work is concerned with the creation, investigation, and optimisation of Digital Ecosystems, exploiting the self-organising properties of biological ecosystems. First, we created the Digital Ecosystem, a novel optimisation technique inspired by biological ecosystems, where the optimisation works at two levels: a first optimisation, migration of agents which are distribute

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Logan, Stephen Alister. "Respiratory heat transfer devices for divers." Thesis, Imperial College London, 1990. http://hdl.handle.net/10044/1/46414.

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Herrera-Marti, David A. "Implementations of fault-tolerant quantum devices." Thesis, Imperial College London, 2012. http://hdl.handle.net/10044/1/10209.

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Accurate control and addressability of quantum devices will come with the promise of improvement in a wide variety of theoretical and applied fields, such as chemistry, condensed matter physics, theoretical computer science, foundational physics, communications, metrology and others. Decoherence of quantum states and the loss of quantum systems have adverse effects and deter a satisfactory usage of quantum devices. This is the main problem to be overcome, which is the goal of quantum fault tolerance. In this thesis we present a series of works that contribute to some of the fields mentioned ab

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Khan, K. R. "Digital generator protection." Thesis, Imperial College London, 1985. http://hdl.handle.net/10044/1/37743.

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Werngren, Jan. "1-till-1* och lärares kompetensutveckling (*en dator per elev) : En fallstudie av fyra lärares kompetensutveckling i samband med en kommunal 1-till-1-satsning." Thesis, Högskolan i Halmstad, Akademin för lärande, humaniora och samhälle, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:hh:diva-29696.

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Den föreliggande studien är en kvalitativ fallstudie med syftet att undersöka lärares kompetensutveckling i samband med 1-till-1-satsningar (en dator per elev). Studiens frågeställning kretsar kring följande två frågor; Hur har lärarna uppfattat kompetensutvecklingen de erhållit i samband med kommunens 1-till-1-satsning? Hur har lärarnas kompetensutveckling i användandet av nya läroverktyg (MacBook Air) påverkat lärarnas didaktiska tillvägagångssätt? Höstterminen 2012 påbörjades en sådan 1-till-1-satsning i en av norra skånes kommuner. Baserat utifrån ett fenomenologiskt perspektiv kunde

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Hallman, Emil, and Magnus Haglund. "Digitaliseringen av undervisningen : En forskningsöversikt över effekterna av digitaliseringskoncepten 1:1 och ASL." Thesis, Linköpings universitet, Institutionen för samhälls- och välfärdsstudier, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-137472.

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Denna forskningsöversikt behandlar digitaliseringen av undervisningen utifrån koncepten 1:1 (en dator per elev) och ASL (att skriva sig till läsning). Vi har via databassökning och manuell sökning tagit del av relevant litteratur som vi sedan gjort en kvalitativ innehållsanalys på. Vi behandlar vilka effekter koncepten enligt forskningen har för elever och lärare. Det råder ingen allmän konsensus om detta, då forskningsresultat pekar mot både positiva och negativa effekter. Vi söker därför även i litteraturen efter faktorer som visat sig gynna goda resultat. De faktorer vi funnit är struktur a

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Siebörger, David Robert. "Multiprotocol control of networked home entertainment devices." Thesis, Rhodes University, 2004. http://eprints.ru.ac.za/47/1/thesis.pdf.

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Networks will soon connect a wide range of computing devices within the home. Amongst those devices will be home entertainment devices. Remote control over the network will be a key application for networked entertainment devices, and requires a protocol for communication understood by both controller and controlled device. Devices capable of communication using multiple control protocols will be compatible with a wider range of controllers than those which implement only one control protocol. This work examines home networks and a number of control protocols. The implementations of the UPnP a

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Fletcher, R. G. "Power semiconductor devices in A.C. circuit protection." Thesis, Imperial College London, 1987. http://hdl.handle.net/10044/1/7921.

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Pagiatakis, Gerasimos. "Finite element analysis of optical waveguide devices." Thesis, Imperial College London, 1990. http://hdl.handle.net/10044/1/46484.

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Boonkoom, Thitikorn. "InP quantum dots for hybrid photovoltaic devices." Thesis, Imperial College London, 2013. http://hdl.handle.net/10044/1/17778.

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Significant research efforts have been directed towards the development of solar cells comprising blends of conjugated polymers and II-VI inorganic semiconductors (e.g. CdSe and CdS). Despite recent advances in the power conversion efficiency of such devices, the toxicity of Cd-based materials remains a concern with regard to widespread implementation. This thesis focuses on alternative (lower toxicity) InP nanocrystals for use as electron acceptors and light-harvesting materials in solution-processed polymer solar cells. In this thesis a combination of novel materials design/processing, trans

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Javaid, Atif. "Structural polymer composites for energy storage devices." Thesis, Imperial College London, 2012. http://hdl.handle.net/10044/1/9464.

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Multifunctional composites have attracted a great deal of attention as they offer a way to cut down the parasitic weight in vehicles which not only reduces the operational costs but also reduces the fuel consumption in vehicles. Current engineering design is increasingly sophisticated, requiring more efficient material utilisation; sub-system mass and volume are crucial application determinants. This dissertation contributes to the fabrication of composites that can store electrical energy and are known as structural supercapacitors. The key in the fabrication of structural supercapacitors was

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Eminente, Simone <1978&gt. "Modelling and characterization of decananometric electronic devices." Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2007. http://amsdottorato.unibo.it/463/1/Tesi_PhD_Eminente.pdf.

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Angiolini, Federico <1978&gt. "Interconnection systems for highly integrated computation devices." Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2008. http://amsdottorato.unibo.it/931/1/Tesi_Angiolini_Federico.pdf.

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The sustained demand for faster,more powerful chips has beenmet by the availability of chip manufacturing processes allowing for the integration of increasing numbers of computation units onto a single die. The resulting outcome, especially in the embedded domain, has often been called SYSTEM-ON-CHIP (SOC) or MULTI-PROCESSOR SYSTEM-ON-CHIP (MPSOC). MPSoC design brings to the foreground a large number of challenges, one of the most prominent of which is the design of the chip interconnection. With a number of on-chip blocks presently ranging in the tens, and quickly approaching the hund

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Poli, Stefano <1981&gt. "Modelling and simulations of post-CMOS devices." Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2009. http://amsdottorato.unibo.it/1539/1/Tesi_Stefano_Poli.pdf.

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Gregory, Shaun David. "Inflow cannula design for biventricular assist devices." Thesis, Queensland University of Technology, 2013. https://eprints.qut.edu.au/61610/1/Shaun_Gregory_Thesis.pdf.

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Cardiovascular diseases are a leading cause of death throughout the developed world. With the demand for donor hearts far exceeding the supply, a bridge-to-transplant or permanent solution is required. This is currently achieved with ventricular assist devices (VADs), which can be used to assist the left ventricle (LVAD), right ventricle (RVAD), or both ventricles simultaneously (BiVAD). Earlier generation VADs were large, volume-displacement devices designed for temporary support until a donor heart was found. The latest generation of VADs use rotary blood pump technology which improves devic

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Arjona, Lopez Marco Antonio. "Steady state and frequency domain lumped model numerical characterisation of solid rotor synchronous generators." Thesis, Imperial College London, 1996. http://hdl.handle.net/10044/1/7548.

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Fair, Ruben Jeevanasan. "Analysis and design of electromagnetic moving coil vibration generators." Thesis, Imperial College London, 1991. http://hdl.handle.net/10044/1/7830.

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Adams, Nicholas K. "Power-factor improvement in cage induction motors." Thesis, Imperial College London, 1987. http://hdl.handle.net/10044/1/38210.

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Veal, Christopher Michael John. "The damping of power system oscillators by generator control." Thesis, Imperial College London, 1989. http://hdl.handle.net/10044/1/47695.

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Steffensmeier, Gary. "Teachers’ pedagogical beliefs about using computing devices in one-to-one technology initiative schools." Diss., University of Iowa, 2016. https://ir.uiowa.edu/etd/2280.

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Using a qualitative multiple case study design, this study investigated the ways that teachers’ pedagogical beliefs about learning: 1) affect students’ access to and use of one-to-one technologies and 2) shape one-to-one learning environments. Results indicate that teachers’ pedagogical beliefs are not a predictor of student access to computing devices, but do impact how students use the devices in the classroom. Also, teachers’ use of technology resources reflects their pedagogical beliefs. Teachers in the study reported that the increased access to technology via a one-to-one program positiv

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Pérez, Martín. "Conditional resource management for mobile devices." Universidade Tecnológica Federal do Paraná, 2014. http://repositorio.utfpr.edu.br/jspui/handle/1/1036.

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Dispositivos móveis, como os tablets e smartphones, ficam mais populares a cada dia. Esta nova classe de dispositivos está evoluindo constantemente em suas capacidades computacionais, permitindo os usuários trocarem computadores maiores por estes dispositivos móveis menores. Diariamente novas aplicações para estes dispositivos são desenvolvidas e publicadas em repositórios de software, possibilitando que os usuários instalem e se beneficiem de novos aplicativos rapidamente. Para gerenciar múltiplas requisições de recursos de diferentes aplicações rodando em paralelo, o design de gestão de recu

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Angladon, Vincent. "Room layout estimation on mobile devices." Phd thesis, Toulouse, INPT, 2018. http://oatao.univ-toulouse.fr/20745/1/ANGLADON_Vincent.pdf.

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Room layout generation is the problem of generating a drawing or a digital model of an existing room from a set of measurements such as laser data or images. The generation of floor plans can find application in the building industry to assess the quality and the correctness of an ongoing construction w.r.t. the initial model, or to quickly sketch the renovation of an apartment. Real estate industry can rely on automatic generation of floor plans to ease the process of checking the livable surface and to propose virtual visits to prospective customers. As for the general public, the room layou

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Thong, Aaron. "Electrical characteristics of single molecule fullerene based devices." Thesis, Imperial College London, 2017. http://hdl.handle.net/10044/1/49253.

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This thesis investigates the design of a unimolecular donor-acceptor system (4TPA-C60) for the purpose of developing biomimetic Turin IETS sensors. The gas phase 4TPA-C60 molecule is calculated to have a localised double-well electronic structure, which is similar to that of a nanowire resonant tunnelling device. 4TPA-C60 decorated gold surfaces are prepared from scratch, and characterised at each step. STM imaging confirms successful grafting of the molecular species to the gold surface. Scanning tunneling spectroscopy performed on these molecular double-barrier tunnel junctions show a slight

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Mitchison, Mark. "From thermodynamics to thermometry with single-atom devices." Thesis, Imperial College London, 2016. http://hdl.handle.net/10044/1/44566.

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This thesis presents theoretical research on microscopic measuring devices and thermal machines constructed from single trapped atoms. We study several variants on this theme, with a particular emphasis on their application to ultracold atom physics. The first part of the thesis is about quantum refrigerators powered by thermal absorption rather than by external work. We propose and detail how such a machine may be practically constructed with a trapped atom placed inside an optical cavity, and employed to cool the atom close to absolute zero temperature using only collimated sunlight as an en

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Braic, Laurentiu. "Nanoscale films for near infrared active plasmonic devices." Thesis, Imperial College London, 2015. http://hdl.handle.net/10044/1/59245.

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As optoelectronic components become nano-dimensional, controlling the coupling between light and matter at the nanoscale has become a major technological challenge, as well as the subject of theoretical studies. The aim of this work is threefold. First, to assess the suitability of ferroelectric thin films - Barium Strontium Titanate (BST), and Strontium Barium Niobate (SBN), as active media for plasmonic devices. Second, to find suitable thin film electrodes for such devices, by exploring and optimizing the plasmonic behaviour of already known conductive materials, conductive oxides (Strontiu

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Chung, Dae-Young. "Gravure printed and solution-processed polymer semiconductor devices." Thesis, Imperial College London, 2011. http://hdl.handle.net/10044/1/8962.

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The idea of printing optoelectronic devices has been developed over the last decade by various printing techniques such as screen printing, transfer printing, and inkjet printing, attributed to the advent of soluble organic semiconducting (OSC) materials. Printing of optoelectronic devices provides economical advantages for its fast and simple processing stages which is conceptually similar to the graphical printing. The advantage is expected to overcome the relatively low performance of organic materials where its charge transport is occurred by hopping process which is limited by its hopping

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Tallarico, Andrea Natale <1988&gt. "Characterization and Modeling of Semiconductor Power Devices Reliability." Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2017. http://amsdottorato.unibo.it/7990/1/Tallarico_PhD_Thesis.pdf.

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This thesis aims at studying, characterizing and modeling the trapping and de-trapping mechanisms occurring during the ON-state operation mode and leading to the degradation of semiconductor power devices. In this operating condition, the combined effect of moderate electric fields, high currents and temperatures due to self-heating effects can seriously affect the long-term reliability leading to device failure. Detailed analyses are performed on both silicon and gallium nitride based technologies by means of accelerated life test methods and electro-thermal simulations, aimed at understandin

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Berdozzi, Nicolo <1993&gt. "Manufacturing and experimental characterization of electro adhesive devices." Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2022. http://amsdottorato.unibo.it/10035/1/NB_PhD_Thesis_Final.pdf.

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Electro Adhesive Devices (EADs) are innovative actuators deployable for many applications, such as robotic grippers, locomotion systems for climbing and crawling robots, haptic devices, and gadgets for space applications. The most relevant advantageous features of EADs are the low energy consumptions and the lightweight and compact embodiment. An EAD always includes an electrode couple and one or more dielectric layers, which host and insulate the electrodes. The working principle is based on the electrostatic attraction that takes place between the device and the object once the electrodes

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