Which of the following separates primary file and extension is A. Dot B. Period C. Point D. All of the above

The correct answer is: A. Dot

A dot is used to separate the primary file name from the extension in a file name. For example, in the file name “myfile.txt”, the “.txt” is the extension. The extension is usually used to indicate the

The period is another name for a dot. However, in computer science, the term “period” is often used to refer to a full stop, which is a punctuation mark that is used to end a sentence. To avoid confusion, it is best to use the term “dot” when referring to the character that separates the primary file name from the extension in a file name.

The term “point” is also sometimes used to refer to the dot that separates the primary file name from the extension in a file name. However, this term is less common than the terms “dot” and “period”.