The dissociative Identity Disorder is a disorder in which a person would display two or more sets of likes and dislikes as well as reactions to the same situation.
This disorder is what used to be known as the multiple personality disorder. It is characterized by the presence of two or more distinct personalities in one person.
A person may develop this as a reaction that helps him to avoid bad memories that are caused by traumatic events.
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I studied it in 3rd standard so I don't remember much. As much as I can remember CPU means Computer Programming Unit. Computer doesn't have a full form it is a simple word that means something that computes or calculates.
You must know what the Han dynasty is and the definition of those words.