Answer: (a) sort()
Explanation:
Using sort() the keys are not preserved. However it sorts the array.
example : sort($array);
Answer:
B.
Explanation:
Metadata is a type of data that dispense details of other data. In simple terms, metadata can be defined as information of a file such as file name, attributes, etc.
<u>In excel sheet, metadata works the same and helps to provide information about </u><u>file name, author name, file size, attributes such as read-only, archieve, hidden, system, location of the file, date and time of creation, modification, or accessed, type of file, etc</u><u>.</u>
From the given options, the information that is not considered or included in metadata is calculation inside the file. Metadata in excel sheet does not include calculations inside the file. Thus option B is the correct answer
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