Which of the Following Operations Leaves a Queue Unchanged

question 49

Multiple Choice

Which of the following operations leaves a queue unchanged?

• A)enqueue
• B)dequeue
• C)dequeueAll
• D)peek

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Definitions:

Libido

A term used in psychoanalytic theory to describe the energy of the sexual drive as a component of the life instinct.

Ego

The ego, in psychoanalytic theory, is the part of the personality that mediates between the demands of the id, the superego, and reality, playing a key role in decision making and maintaining one's sense of identity.

Id

In psychoanalytic theory, the part of the mind in which innate instinctive impulses and primary processes are manifest.

Id

In psychoanalytic theory, the part of the personality that contains our primal, instinctual drives and operates on the pleasure principle.