Give a BNF grammar for each of the languages below.: ::= ba | 1. The set of all strings consisting of one or more letters. (Each of the digit is one of the characters a through z.) 2. The set of all strings consisting of zero or more as with a semicolon after each one. 3.The set of all strings consisting of the keyword begin, followed by zero or more statements with a semicolon after each one, followed by the keyword end. Use the non-terminal for statements, and do not give productions for it.

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A: The answer for the above question is as follows

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A: Question: String of a's and b's that begin with a and end with b. Answer: ^a(a+b)*b$ Explanation: ^…

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A:

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A: Below is the answer.

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Intelligent Machines

Machines that use artificial intelligence to learn from the environment and past experiences to perform better in the presence of variability and uncertainty are called intelligent machines. Intelligence develops according to environment and experience. It is human-like behavior. When the computer system or any programmed machine learns from the inputs and corresponding outputs, it can be called an intelligent machine.