Marcus has just moved to a new town and now must learn a new telephone number. He finds that the first three digits are the ages of his sisters and the remaining four numbers coincide with Columbus's voyage to America. According to the information-processing approach, Marcus is

Encoding

Explanation:

Marcus has just moved to a new town and now must learn a new telephone number. He finds that the first three digits are the ages of his sisters and the remaining four numbers coincide with Columbus's voyage to America. According to the information-processing approach, Marcus is encoding his telephone number in a form that can be later remembered. Encoding is the process of converting data/information from one form to another form which can easily be assimilated and recalled, encoding is the first step in the creation of a new memory