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1282 Uppsatser om Computer prototypes - Sida 20 av 86
Informationsteknik och högskolan ? policy och verklighet
The main objective of this thesis is to examine the situation concerning information technology, computers and information resources for university students at a selection of universities, and their libraries, in Sweden. Another objective is to compare this situation to what is stated in policy documents on the subject, and if the size of the university matters regarding resources. The thesis starts with a discussion of several authors, Frank Webster, Paul F. Burton and Lars Qvortrup among others, and their views on the information society. These range from whether we are living in it, are in a transition period or are still in the Industrial Society.
En Kommunikations Illustration : Interaktionen mellan deltagare i ledarlösa samarbeten
Purpose: The objective of this study is to illustrate how participants in leaderless based projects communicate with each other. Several studies have focused on technology-supported projects, such as open source projects, with an established project manager and goal. There is a lack, to the best of our knowledge, in studies that deal with the communication pattern in a leaderless computer supported collaborative project.Method: We have chosen to use a quantitative method where we systematically group several messages according to their content. This method was used in a similar study to illustrate the communication between participants involved in an open source project. We have taken the same Kripendorff based method and adapted it to our study by adding more descriptive variables.Theoretical perspectives: Manuel Castell discusses the aspects of a new communication power that is rooted in the individual as part of a larger creative audience.
Förbättringsarbete på monteringsbana
In this project we have used the theory of analytical mechanics to derive equations of motion for complex mechanical systems in order to study their behaviour over time. Even if the theory provides powerful tools to tackle tough problems which would be very hard to solve by methods of Newtonian mechanics, you are still relatively limited without running any computer simulations. One realises that in a faster rate it will be an incredibly difficult task to find an analytical solution when the degrees of freedom increases. Even if one would succeed to derive the equations, one still has to solve them to get the information of the systems behavior. Of experience one knows that the equations in general are nonlinear and hence must be integrated numericaly.
Peer-to-peer som företagslösning
Problemområde:
Idag är användandet av peer-to-peer (P2P) - applikationer såsom KaZaa, ICQ och
Seti@home utbrett bland privatpersoner. Användningen inom företag är dock ännu
i sin linda.
Vi kommer därför i den här uppsatsen utreda om ett eventuellt införande av P2P-
teknik i ett företagsnätverk ger några fördelar jämfört med en klassisk
Client/Server-lösning.
Hypotes:
Arbetet bygger på hypotesen: ?En P2P-lösning ger fördelar för företaget
jämfört med en Client/Server-lösning?
Genomförande:
För jämförelsen mellan P2P och Client/Server definierades och jämfördes fem
områden: Säkerhet, Användbarhet, Tillgänglighet, Bandbredd samt
Utrustningskrav.
Slutsats:
Inom områdena Användbarhet och Tillgänglighet ger en P2P-lösning klara
fördelar, däremot inom områdena Säkerhet och Bandbredd visar Client/Server-
lösningen istället klara fördelar. Området Utrustningskrav är oavgjort då det
inte
finns någon märkbar skillnad på lösningarna.
Säkerhetsproblemen är P2P-teknologins akilleshäl och det problem som är mest
troligt att stoppa stora investeringar i framtiden om det inte löses.
Slutsatsen av vår jämförelse blir sålunda:
För ett företag som redan har ett existerande Client/Server-nätverk är det inte
någon idé att helt byta system, däremot kan det vara av intresse att
introducera en applikation som möjliggör skapandet av så kallade Virtuella
Nätverk.
För ett helt nytt företag kan skapandet av ett P2P-nätverk vara ett väl så
intressant alternativ till Client/Server.
XML som informationsbärare för EDI
Information handling has been a key issue for different companies for a long
time. Electronic Data Interchange (EDI) is used to transfer different business
documents from one company to another. This is done in such way that the
information itself is separated from how this information is stored and handled
in the companies internal systems. As different companies have different
systems there is a need for a standardised format for this exchange.
There is a big difference between EDI-systems based on what kind of
EDI-standard is used. The most common standard in Europe is EDIFACT, but with
increased interest of using the Internet for business communication there is a
need for a standard that is adjusted for use over the Internet.
Analytisk mekanik med datoralgebra
In this project we have used the theory of analytical mechanics to derive equations of motion for complex mechanical systems in order to study their behaviour over time. Even if the theory provides powerful tools to tackle tough problems which would be very hard to solve by methods of Newtonian mechanics, you are still relatively limited without running any computer simulations. One realises that in a faster rate it will be an incredibly difficult task to find an analytical solution when the degrees of freedom increases. Even if one would succeed to derive the equations, one still has to solve them to get the information of the systems behavior. Of experience one knows that the equations in general are nonlinear and hence must be integrated numericaly.
Studenters mobilanvändning under föreläsningar : En studie om hur studenters koncentrationsförmåga påverkas av mobilanvändning under föreläsningar
In Sweden there is a long ongoing discussion about computer and cellphone usage during lectures in school. The discussion has mainly covered elementary school up to college students, but this topic is at least as relevant for university students. Today cellphones are so advanced; you can do everything with one that you previously only could do with a computer, the difference is that everyone is carrying one with them all the time. This study shows how concentration during lectures is affected by the cellphone accessibility and usage. With this study we want to find out how university students perceive cellphone usage affects their own concentration during lectures.
Den Moderna Webben: Kan HTML5 konkurrera med traditionell programvara?
Vi ser en förändring i hur vi använder applikationer. Från att tidigare varit
associerat till en dator och begränsat till ett par operativsystem finns de
numera överallt. Fler plattformar innebär att man måste utveckla en applikation
till var och en av dessa. Detta gör att utvecklingstiden och kostnaderna ökar
och efterfrågan av crossplattformlösningar i form av webbapplikationer har
därför ökat.
Vi tittar närmare på hur det går att använda sig av HTML5, och övriga tekniker
som en modern webbläsare har integrerat stöd för, för att utveckla webbaserade
applikationer. Vi tar reda på om det finns några hinder eller begränsningar i
detta och om det finns några fördelar i att använda webben som plattform.
Resultatet indikerar att med de nya tekniker som är på ingång kan man utveckla
webbbaserade applikationer med prestanda motsvarande Java eller C#.
Analys av off-design prestanda för ett absorptionskylsystem
This master thesis project at KTH is performed in the Mechanical and Aerospace Engineeringdepartment at University of Florida (UF). The thesis is a small part of a gas turbine researchproject where a vapour absorption refrigeration system (VARS) and a high pressure regenerativeturbine engine (HPRTE) are integrated together. The main objective is to build a computermodel of the VARS. The computer model is supposed to be used to analyse the off-designperformance of the VARS and should also be easy to integrate as a subroutine in a more complexsystem model. To model the VARS some knowledge of the absorbent/refrigerant mixture had tobe well known, in this case a mixture of ammonia and water.
Digitalisera loggboken : En analys av utmaningarna med att utveckla IT-stöd för kunskapsintensiva verksamheter
Failed system development projects are a common sight within the IT-industry. During the last ten years we have seen several more or less disastrous high profile projects being reported in the news. One aspect that might hold some of the responsibility for these failures is the fact that more organisations are knowledge intensive which makes their work processes difficult to capture in computer systems. How requirements engineering is handled becomes even more important in these cases, where processes are unpredictable and rely on individual judgement and knowledge. In this study we have examined the challenges of developing systems for knowledge intensive businesses through a method of qualitative case study of a university laboratory.
Dom kallar det Lean? En studie om Lean i sjukvården och dess påverkan på den professionelle läkarens medicinska beslutsfattande
The purpose of this media scientific study is to contribute to a better understanding about how blind people?s empowerment and participation may affect their role in the digital society.Earlier international studies in this area have shown that blind people not only need more knowledge then the seeing population about the computer, but also about the technology behind their tools for using Internet. The results from these studies have also shown that Internet increases the blind people?s independents and that those who use Internet feel more involved in the society.A qualitative method was chosen to study the three most common categories from the earlier studies: knowledge of technology, empowerment and participation. Are there differences in the results compared to our study in Sweden 2014?Interviews with eight blind, experienced computer users have shown that knowledge of technology is essential for their use of Internet and that the Internet increases their empowerment and their participation.
Konstruktion av elektrolytisk ozongenerator
The work has been carried out in cooperation with the company Zenit Design in Malmö. The project's goal was to restore, improve and produce an ozone generator. During the project, the authors sought relevant literature in databases, been in contact with US suppliers of fuel cell membranes, Asian suppliers for the processing of Teflon and Titanium parts in mechanical engineering and Swedish suppliers of various standard components. The authors had access to a temporary lab at Zenit and electron microscope at Halmstad University where material tests were performed. The authors have also had access to measurement equipment to measure amounts of ozone.During the work, the authors have mapped how an existing ozone generator works and then have their own development.
"Got Skills...?" : En kvalitativ studie om kompetensutveckling baserat pa? StarCraft II
The use of computer games has grown exponentially in the past few years and StarCraft II is one of the most popular e-sports today, played by millions of people worldwide. This study investigates the game?s effect on skills, as perceived by the players of StarCraft II.The study was conducted by using an empirical survey and interviews. The skills being investigated were both physical and mental in their nature. The conclusion was that the majority of players perceived that their skills regarding reaction speed, multitasking, APM, analysis and strategy were increased the most, while there was a smaller change in social skills and language skills.
Hur förankras en policy? : En studie av Stockholms stads informationssäkerhet
Culture Management Cultural management administration producent KKE management.
?Åtta steg för att införa nya affärssystem? Hur värdefulla är guidelines som fackpressen ger vid införande av nya affärssystem?
Vårterminen 2006.