What is a hash check? When I pushed "enter" to send my answer, I got a pop-up that said hash check failed!
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ANSWERS: 2
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A hash function is any well-defined procedure or mathematical function for turning some kind of data into a relatively small integer, that may serve as an index into an array. So says WIK. Try visiting updates and rebooting yo...
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It's usually used to make sure that a message hasn't been altered during transmission between two computers. For example, before a message is sent from Computer A to Computer B, a program on Computer A will convert the message to a number, which will be sent along with the message to Compute B. When Computer B receives the message, it also converts the message to a number, using the same algorithm that Computer A used, and it then compares its number to the one that was sent with the message by Computer A. If the two numbers are identical, the theory is that the message that was received by Computer B is more than likely the same that was sent by Computer A (i.e. the message has not been altered, by accident or on purpose).
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