To prepare for a trial between SmartPhones, Inc., and TechApps Company, TechApps' attorney places SmartPhones' chief executive officer (CEO) under oath. A court official makes a record of the attorney's questions and the CEO's answers. This is

a deposition

Explanation:

A disposition can be described as a process by which the attorney gather information for a case. In this aspect, it involves a situation  where a testimony is made under oath and being taken down in writing by an officer that is authorized by the court.

In this case, the placement of SmartPhones' chief executive officer under oath by the TechApps' attorney, and whereby, the court official make a record of the questions and answers,  is a typical example of a deposition.

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