write short notes on the following: 1) operating system 2) header/footer 3)font size 4)selecting text
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1. system that helps in the processing of dats in computer called as operating system
2. header used to add text upside of page and footer in down side of page
3. font size is used to change the size of text.
4. the text to be selected called as selecting text
2. header used to add text upside of page and footer in down side of page
3. font size is used to change the size of text.
4. the text to be selected called as selecting text
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