OSI is Open System Interface Model. It is a concept which is used to make data transfer in steps. There are 7 layers and each layer interact with its counterpart. earlier a product made by any abc co was able to communicate with the same company product. to communicate with different co's products it was created. as it's name shows "OPEN System Interface"
Explain about the defined operator?
Explain about normal method class?
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What is the use of super in Ruby Rails?
Interpolation is a very important process in Ruby, comment.
Describe the environment variables present in Ruby.
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