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Task 3 The third task consists of creating a more sophisticated algorithm for embedding hidden messages based on the LSB audio steganography method (exercise 3.3). You will create an application in Python and use the audio file Ex3_sound5.wav to embed the secret message ‘Father Christmas does not exist’. The application must include an algorith
Task 2 The second task consists of creating the aforementioned web-based application for audio visualization. The application (exercise 2) will use the song Kalte_Ohren_(_Remix_).mp3 (*) as an audio source. cta_question_2
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Task 1 First, to evaluate your skills, you are asked to perform the following task. The DJ sends you three sounds (Ex2_sound1.wav, Ex2_sound2.wav, and Ex2_sound3.wav) and you have to select Meyda audio features that could help represent these sounds visually in an appropriate manner. For example, if the ‘brightness’ of one of the sounds radical
6) Consider the following automaton: a) Give an example of a string of length 6 containing 01 that is accepted by the following automaton. b) Give an example of a string of length 5 that is rejected by the following automaton. c) Describe the language of this automaton in terms of a Regular Expression. d) Re-draw this FSA with at most 4 states. The
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5) Design a Finite State Automaton (FSA) that accepts binary numbers greater than 0, whose decimal equivalents are divisible by 5. For instance, the FSA should accept inputs like '1010' (decimal equivalent: 10), and '101' (decimal equivalent: 5), but it rejects inputs like '1101' (decimal equivalent: 13) and '1001' (decimal equivalent: 9). [4 marks
4) Students are required to create 6-character long passwords to access the library. The letters must be from lowercase letters or digits. Each password must contain at most two lowercase letters and contain no repeated digits. The second letter must be always “1” and the last letter always must be a digit. How many valid passwords are there? Y
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2) Using the pigeonhole principle, prove that if we choose 14 different numbers from the following set {1, 2, 3, 4,…,20}, then definitely there are two numbers such as a and b (among our 14 selected numbers) which their difference is at least 7 (i.e. |a-b| ≥7) [3 marks] 3) Prove the following statement by induction. For all positive integers n
CM2010 Fundamentals of Computer Science: Midterm Coursework 1) . Explain your reasoning: a) Without using the truth table, prove if the following statements are tautologies or not. Show your reasoning. [4 marks] i) 𝒑⋁(𝒑 ⟶ 𝒒)⋁¬𝒒 ii) ((P→q) ∧ ((q∧r)→s)) ∧ (r→(P→s)) b) Without using the truth table, show that the fo
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“Congrats, You Are the New COO — Now Implement a Re-Organization”: Planning for Change at a Nonprofit Introduction As Amy Stowe sat alone in a conference room, she contemplated what she had agreed to moments earlier. She had promised the Executive Leadership Team (ELT) a communication and implementation plan for a company-wide re-organizatio
Cyber and Internet Security (COMP5355) - Analyzing the SSL/TLS certificate verification of real Android apps - Major steps: - Select 15 Android apps using the HT TPs channel to communicate with their server. - Run the apps in real devices/emulators and perform an MITM attack to obtain the traffic. - Use reverse engineering tools to obtain the c
