Answer:
SEO stands for “search engine optimization.” In simple terms, it means the process of improving your site to increase its visibility for relevant searches.
SEM, or search engine marketing, is the act of using paid strategies to increase search visibility.
Answer:
C.
Explanation:
An operating system is a route between the software system and hardware system in computers. This program helps to perform actions and execute applications. <u>Functionc performed by an operating system includes process management, handling files, controlling devices such as printers</u>.
The step which is not performed by an operating system while printing a document is that it does not create the document that has to be printed.
While printing, an operating system helps other system know if printer is busy with other operations. Other actions performed by an OS while printing document is that it sends the file, document, or data to be printed to the printer, it connects the computer system with printer.
Thus the correct option is C.
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