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Give a brief explanation of the concept of information technology? What do you know about IoT? Explain it! Convert this numbers! a. 11111110(2) = _______(8) b. 65(10) = _______(2) c. 385(10) = _______(8) d. 2537(8) = _______(16) e. A6(16) = _______(10) Complete the truth table below! A B (AB)’ 0 0 0 1 1 0 1 1 What is computer network? What are the 7 layers of the OSI model and 4 layers of the TCP/IP model? Give a solution for this problem: You are a programmer at a bank and you found flaws in your program which is used in ATMs. Would you tell your employer? What are the benefits of IT certification?