Activity 122a
A protection measure is to always show filename extensions and check them before you open a file.
True
All data on a computer Data is stored in many different types of files.
File
An HTML file.
Web page
A special kind of file that contains other files.
Folder
A file that contains a collection of other files.
zip file
An application file that is currently executing (also called running) in the operating system.
Process
Examples of file extensions
.bat, .doc, .txt,
A collection of files.
Database
A process that converts human-readable text or data into a coded from. It is usually used to protect data from being easily seen or accessed. To encrypt means to do the conversion.
encryption
A special character that can represent one or more characters. The asterisk (*) wildcard can stand from many letters, numbers, or symbols.
wildcard