MS Word
"Ctrl + Up Arrow" is used to

Moves the cursor one line up
Moves the cursor one screen up
Moves the cursor one page up
Moves the cursor one paragraph up

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MS Word
Why headers and footers used in MS -Word

To enhance the overall appearance of the document
To allow page headers and footers to appear on document when it is printed
To make large document more readable
To mark the starting of a page

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