What operation leaves the original information unchanged?

Cut, Copy and paste operations leave the original information unchanged.

Explanation:

Copy and paste can be performed to get the data or value duplication. Copy can be done by using "ctrl + c" Keys and paste can be done by "ctrl + v" keys.

Cut operation is used to move the data from one place to another in same pattern. This operation can be performed by using "ctrl + x" keys and data can be moved on desired location by using "ctrl + v) keys.