Answer: keeps confidential documents secure,
displays a GUI, allocates the computer's resources, and retrieves files
Explanation:
The operating system can be defined as the software installed in the system that provides the information and services to the users by controlling the hardware, software resources, and regulates the computer programs. It runs the applications and programs in the system, displays the graphic user interface for the services, stores, manipulates, and retrieves files. It prevents the unauthorized access to the data and programs by using passwords thus provides the security to the system and documents.
Answer: An individualized audio device.
Explanation:
Advertising simply refers to an attempt which is made by an individual or company in order to influence the buying behavior of the customer by convincing them to buy a product.
The kind of advertising that is used in Saunders's story when a man and his grandson walk down the street is an individualized audio device. Therefore, the correct option is A.
What are the answer choices?