C Programming
In an expression involving || operator, evaluationI.   Will be stopped if one of its components evaluates to falseII.  Will be stopped if one of its components evaluates to trueIII. Takes place from right to leftIV.  Takes place from left to right

II and IV
I and III
II and III
I and II
III and IV

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C Programming
String concatenation means -

Comparing the two strings to define the larger one.
Merging two strings.
Partitioning the string into two strings.
Combining two strings.
Extracting a substring out of a string.

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