Four binary digits
A single hexadecimal digit can represent four binary digits.
The best answer here is Answer C - Tab stops are useful when you want to "align text into columns".
All tab stops do is shift text a fixed amount to the left or right on the line. They are useful for improving the layout of text when you want to align multiple rows.
Answer A is incorrect because rows are vertical and not horizontal. B is also irrelevant because spaces between paragraphs are vertical. Answer D could also be correct because you can use tab stops to indent text aswell, but the more general answer is A. If you can have more than one answer, you could have A and D.
I think it is c a completely blank page but I’m not 100% on it though
I'm going have to go with with 1.b and 2.d hope this helps and I don't need help right now.
The answer is D) pull down menu
Also called a drop-down menu, this is a menu that remains invisible until you click or hover over it, pulling up the menu options. This is useful for reducing clutter in the work area of an application, such as Excel, while keeping the tools included in the menu readily available.