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Addiction to the social network Instagram
VYHNÁLKOVÁ, Zuzana
The bachelor's thesis focuses on the addiction of young adults to the social network Instagram. The aim of this bachelor thesis is to describe the elements of pathological phenomena of social network addiction. A secondary aim is to describe the social and health impacts on social network users. The research questions for this work were set: "What demographic factors influence social network addiction?" and "to what depth do social networks influence real life?" Hypotheses were formulated for research that were or were not confirmed. Hypothesis number one was "More men suffer from signs of addiction than women." Hypothesis number two was "Appearance comparison occurs more beyond women than men." And hypothesis number three was "Younger users of the social network, under 20, feel stronger frustration than older users, in case of network unavailability." The empirical part of this work was carried out using a non-standardized questionnaire, which was launched online in the online application Survio.com. Thanks to the application Survio.com, the questionnaire was accessible to the general public. Respondents were provided with a link to the questionnaire. The questionnaire included active questions with open questions to obtain more detailed information. The research group consisted of respondents from the general public aged between 18 and 26. The obtained data were processed in the Microsoft Excel program and the statistical program R. The results of the research proved the validity of two out of three hypotheses. The bachelor thesis can be a source of information for social workers interested in the issue of addictions.
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System for Guarding and Securing Objects and Areas
Kuchařík, David ; Kubek, Ján (referee) ; Strnadel, Josef (advisor)
This project deals with given safeguard possibilities, both mechanical and electronic. A row house with garden was chosen for being secured. Subsequently, were elaborated two`s proposals of securing and guarding of this object. First, was based on camera`s system and second on common system ESS. Later on they were evaluated and the most considerable benefits were emphasized. A system based on control panel with connected detectors was selected upon specification. Subsequently was created a model of the chosen system, at which the required behaviour was simulated and verified. An outline of an implementation was created in the C language.
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The Pet
Gramerová, Zuzana ; Olivová, Kateřina (referee) ; Klodová, Lenka (advisor)
Master´s thesis looks into parallels between people and domesticate animals. Thesis shows situations where is a person in dog´s position. It points out to a typical pet´s position with human in household. However, behaviour like this is not dignified as a human life style.
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Applied automation between security network components in operational networks
Škoda, Jakub ; Benedikt, Jan (referee) ; Kubánková, Anna (advisor)
Tato práce se zabývá studiem možností automatizace v síťové bezpečnosti. Identifikuje konkrétní manuální pracovní postup a navrhne možnosti, jak tento pracovní postup zautomatizovat a tím nahradit zastaralý manuální postup. V novém automatizovaném pracovním postupu byly použity nástroje Cisco Umbrella pro hlášení a hodnocení DNS pro koncová zařízení. Tyto nástroje byly použity k vytvoření nové bezpečnostní metriky – chování. Chování koncového bodu se pak použije u vybraného případu použití vzdáleného přístupu VPN. Namísto použití compliance kontroly před navázáním připojení VPN, se použije chování koncového bodu.
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Program Similarity Recognition Based on Behaviour Analysis
Otočka, Dávid ; Vojnar, Tomáš (referee) ; Peringer, Petr (advisor)
The goal of this master thesis was to design an algorithm that will be able to measure the difference between two programs based on their behavioral description. For the algorithm needs, the Levenshtein distance method between two strings and NCD method, were used. Both methods have their implementation approach and test result described. This term also discusses various methods of program analysis in virtual machine environment, as well as explanation of some basic concepts regarding malware analysis.
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Analýza faktorů ovlivňujících reprodukční vlastnosti nandu pampového
Muchová, Tereza
Focus of this diploma thesis is the analysis of partial influences having impact on the reproduction of Greater rhea. It captures a detailed description of the most common factors, such as housing, nourishment, season’s effect, climatic conditions, genetics and subsequent breeding of chickens. Included is an anatomical description of reproductive organs of both sexes and getting the reader acquainted with the social behavior of this animal. Thesis also consists of ethological observations of defined individuals with focus on the influence of the season on various daily activities. Finally, an analysis of the eggs is performed that includes the overall laying capabilities of the female, along with hatchability, fertilization and mortality of embryos. As an appendix of the diploma thesis you can find recommended precautions increasing the possibility to improve the level of reproduction for the breeders.
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Vliv ročního období na mléčnou užitkovost a změny chování dojnic holštýnského skotu v průběhu roku ve vybraném chovu
Rusnáková, Jaroslava
This bachelor thesis studied the effect of season on change in milk yield and behav-ioural change in Holstein dairy cows. The research was carried out in a selected farm in the South Moravian region from April 2021 to December 2021. The research on the change in milk yield, characterised by daily production intake and milk content, was carried out on an average number of 313 cows on all lactations in April-May, July-August, October-November and December. The lowest protein (3.2%) and fat (3.56%) content was found in the sample from the summer period. The lactose content in the summer months was the highest (5.05 %). The behaviour of the dairy cows was observed in the 2nd lactation herd. Behavioural observations included the following activities: water intake, feeding, resting, rumination, con-tact, exercise, comfort behaviour and defecation. Resting was the most performed activity (36.98%) and defecation was the least performed activity (1.33%).
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Butterfly thermoregulation across habitats and climates
LAIRD-HOPKINS, Benita Carmen
Global warming, through rising temperatures and changing precipitation patterns, is placing major stress on species and ecosystems. Understanding how species respond to temperature and the mechanisms underpinning thermoregulation can help us predict which species are most vulnerable in the face of warming. In this thesis, I explore how butterflies across different habitats and climates thermoregulate and the mechanisms, including morphology and behaviour, underlaying thermoregulatory ability. Firstly, when comparing the buffering ability of neotropical and temperate butterflies I found that tropical butterflies were able to maintain more stable body temperatures than temperate butterflies, and this was likely driven by their morphology. I also found that temperate butterflies used postural means to raise their body temperature more than neotropical species, likely an adaptation to the cooler air temperatures they experience. Secondly, I showed the importance of butterflies' thermoregulatory abilities at the community level, by comparing thermoregulation of European butterflies across geographic regions and climatic zones. This study highlighted that behavioural thermoregulation, including the use of microclimates and postural means, drives regional differences in butterflies' thermoregulatory abilities. Finally, I utilised the Müllerian mimicry exhibited in Heliconius butterflies to untangle the contributions of morphology and phylogeny in butterfly thermoregulation, investigating thermal traits, including buffering ability, take-off temperature and heating rate. I found that morphology, not phylogeny, was the main driver of thermoregulation in these butterflies. Further, I investigated differences in the thermoregulatory ability of Heliconius butterflies from different habitats. I found that species from colder habitats were able to maintain a more stable body temperature and took off at a lower temperature than those from hotter habitats, suggesting there is local adaptation or acclimation in thermal traits. Overall, this work highlights that species have their own unique thermoregulatory abilities, as a result of the thermal environment they experience, and that thermoregulation is driven by morphology, behaviour and physiology. My findings have important consequences for predicting the impacts of climate change on ectotherms, by highlighting variation in thermal ability which makes some populations and species more vulnerable, while others more resilient. This thesis lays the groundwork for future studies comparing species' thermal traits across climates and habitats, increasing our understanding of how species cope with climate and land-use change.
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