Null Terminated

Null is a term used in computer languages for zero. So a null terminated string is a collection of ASCII characters followed by a zero in order to signify the end of characters. For example, the string of characters "Hello", would be stored as: -

"H", "e", "l", "l" ,"o", 0

Notice that the terminating null is the value 0 not the ASCII character "0".

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