Standards such as JPEG and ASCII operate at which of the following OSI model layers?

Steven is working on a database that stores student data. He needs to find students majoring in either one of two majors. He is looking for students majoring in Economics. He also is looking for students majoring in History. Which operator would Steven use to find this information?

A) OR B) AND C) NOT D) NULL

Software must be specifically written to take advantage of dual- or quad-core CPUs

Indicate whether the statement is true or false