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The use of cryptographic algorithms and their real use.
Chrstoš, Tomáš ; Holý, Radek (advisor) ; Kaliková, Jana (referee)
The aim of this work is to compare some methods of file encryption. The main goal is to select the most suitable algorithm selected on the basis of their testing and comparing the algorithms. Another goal is to refer about cryptography itself, its history and its development. The theoretical part is first outlined the historical development of cryptography. In addition, this section analyzed and described theoretically selected ciphers, including modern and principles of their functioning. In the practical part, these encryption methods are compared for selected files in their suitability for a particular file type (video data, audio files, documents). These ciphers are tested to encrypt files and decrypt files.
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Financial Mathematics in High Schools
Chrstoš, Tomáš ; Novotná, Jarmila (advisor) ; Tůmová, Veronika (referee)
The thesis is dealing with the current state of teaching financial literacy and financial mathematics at high schools. The purpose of this thesis is to sum up information about documents that are source for teaching of financial literacy and to inform about current state of its teaching at high schools. Theoretical part concerns with involving of financial mathematics in framework education programme. This part also shows what subjects are involving financial mathematics. Practical part is dedicated to research, which had been realised at selected high school - Technical high school of food technologies, which follows "Food analysis" and "Environmental ecology" FEP. Level of students in financial mathematics is detected though the questionnaire carried out at the chosen school. Using a questionnaire and test. It compares levels of students, who were educated in financial literacy and financial mathematics, and those who weren't. Powered by TCPDF (www.tcpdf.org)
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Financial Mathematics in High Schools
Chrstoš, Tomáš ; Novotná, Jarmila (advisor) ; Tůmová, Veronika (referee)
The thesis is dealing with the current state of teaching financial literacy and financial mathematics at high schools. The purpose of this thesis is to sum up information about documents that are source for teaching of financial literacy and to inform about current state of its teaching at high schools. Theoretical part concerns with involving of financial mathematics in framework education programme. This part also shows what subjects are involving financial mathematics. Practical part is dedicated to research, which had been realised at selected high school - Technical high school of food technologies, which follows "Food analysis" and "Environmental ecology" FEP. Level of students in financial mathematics is detected though the questionnaire carried out at the chosen school. Using a questionnaire and test. It compares levels of students, who were educated in financial literacy and financial mathematics, and those who weren't. Powered by TCPDF (www.tcpdf.org)
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The use of cryptographic algorithms and their real use.
Chrstoš, Tomáš ; Holý, Radek (advisor) ; Kaliková, Jana (referee)
The aim of this work is to compare some methods of file encryption. The main goal is to select the most suitable algorithm selected on the basis of their testing and comparing the algorithms. Another goal is to refer about cryptography itself, its history and its development. The theoretical part is first outlined the historical development of cryptography. In addition, this section analyzed and described theoretically selected ciphers, including modern and principles of their functioning. In the practical part, these encryption methods are compared for selected files in their suitability for a particular file type (video data, audio files, documents). These ciphers are tested to encrypt files and decrypt files.
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Analysis of the dependence of the Czech economy on the German economy
Chrstoš, Tomáš ; Rybáček, Václav (advisor) ; Pícl, Michal (referee)
This work is engaged with dependence of the Czech economy on the development of the German economy. At first, it describes the theoretical basis for the balance of payments, its elements and factors affecting the balance of payments. The practical part consists of a comparative analysis of Czech and German balance of payments, which is followed by a regression analysis, which purpose is to determine the dependence of the Czech economy to German one. The work also deals with the dependence of individual sectors of these economies to each other and outlines the resultant benefits and risks.
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Pension revision in Czech Republic
Chrstoš, Tomáš ; Poláková, Olga (advisor) ; Vebrová, Ludmila (referee)
The first part of this thesis aims for basic arguments why we need a revision of the social system. First of all it aims mainly why it is necessary to do a revision of social system in the Czech republic and how the conditions have changed in comparison with the last situation when the social system met then conditions. Then it analyses a preparation of the social system revision in the Czech republic. Next part shows the proces of revision in other countries in the Word. The thesis also deals with the process of the social system revision, possible solutions and their advantages and disadvantages. Because the social system revision is affected by political, economical and social situations in the country this thesis show us the variants of Czech political parties.
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