Question

please explain
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Answer 1

Answer:

a tab is a clickable area at the top of the window.

a ribbon is a user interface element which was introduced by Microsoft.

primary purpose of user group is to simplify access control to computer system.

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Answer 2

1. Tabs-Tab is used for aligning text in a word processor by moving the cursor to a predefined position.

2. Ribbon-A ribbon is a graphical control element in the from of set toolbars placed on several tabs.

3. Groups-A group is a collection of people with some common characteristics of purpose.