what are the functions nerves 1 and 2 (mentioned in the beginning)?
The olfactory nerves (I) transmit nerve impulses about odors to the central nervous system.  The optic nerves (II) transmits visual information from the retina to the brain.
Olfactory nerve
The afferent nerve fibers of the olfactory receptor neurons transmit nerve impulses about odors to the central nervous system, where they are perceived as smell (olfaction).

The olfactory nerve is special visceral afferent (SVA).
where are cranial nerves 1 and 2 located In the cerebrum what is its anatomy? The cerebrum is the largest part of the brain; The cerebrum consists of two C-shaped cerebral hemispheres, separated  by a longitudinal fissure. what are its main function? It functions as the center of sensory perception, memory, thoughts and judgement; the cerebrum also functions as the center of voluntary motor activities. how are there named? The cerebral cortex, Cerebral hemispheres are they named based on their functions? Yes -  the right celebral hemisphere controls and processes signals from the left side of the body, while the left celebral hemisphere controls and processes signals from the right side of the body.
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Olfactory nerve [SEP] Function
The afferent nerve fibers of the olfactory receptor neurons transmit nerve impulses about odors to the central nervous system, where they are perceived as smell (olfaction). The olfactory nerve is special visceral afferent (SVA).