A directory tree is a hierarchy of directories that consists of a single directory, called the parent directory or top level directory, and all levels of its subdirectories (i.e., directories within it).
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Answer:
The graphical user interface (GUI /dʒiːjuːˈaɪ/ jee-you-eye or /ˈɡuːi/) is a form of user interface that allows users to interact with electronic devices through graphical icons and audio indicator such as primary notation, instead of text-based user interfaces, typed command labels or text navigation.
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Explained
Explanation:
The three characteristics of an object
Encapsulation: It is the process of capturing data and securing it for safety from the outside interfaces. Binding data and operations of data into a single unit.
Inheritance: This is the process by which a class can be derived from the base class, with all features of base class and some of its own. This increases data reusability.
Abstraction: The ability to represent data at very basic level without showing the details of it is called abstraction.
Phishing involves the use of the Internet to steal important information.
Shoulder surfing refers to people spying on other people while they are using an ATM. Skimming a credit card refers to thieves using a device in ATMs to steal information from cards. Dumpster diving refers to picking trash from dumpsters.