Answer:
--- True
--- False
--- True
Explanation:
Required
Determine if the statements are true or not.

To do this, we convert DE from base 16 to base 10 using product rule.
So, we have:

In hexadecimal.

So, we have:


Hence:
(a) is true

First, convert D7 to base 10 using product rule


So, we have:


Next convert 215 to base 2, using division rule








Write the remainders from bottom to top.

<em>Hence (b) is false</em>

Convert 13 to base 10 using product rule


Hence; (c) is true
Answer:
A, C, D
Explanation:
User Interface (UI) Design focuses on anticipating what users might need to do and ensuring that the interface has elements that are easy to access, understand, and use to facilitate those actions.
The ribbon is a set of toolbars at the top of the window in Office programs designed to help you quickly find the commands that you need to complete a task. Sometimes the ribbon can get hidden and it's hard to find. The quickest way to show the ribbon is to click on any visible tab, like Home<span>, </span>Insert<span> or </span>Design<span>. You might also want to hide the ribbon to maximize screen space.</span>