QUESTION NO . 3,4 AND 5
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Answers
Answer:
Explanation:
1. Computer output devices receive information out of the computer, carrying data that has been processed by the computer to the user. Output devices provide data in different forms like audio, visual and hard copy.
2.Five of the most common operating systems are Microsoft Windows, Apple macOS, Linux, Android and Apple's iOS.
What Operating Systems Do. ...
Microsoft Windows. ...
Apple iOS. ...
Google's Android OS. ...
Apple macOS. ...
Linux Operating System.
3. Word processing software MS Word, WordPad and Notepad
Database software Oracle, MS Access etc
Spreadsheet software Apple Numbers, Microsoft Excel
Multimedia software Real Player, Media Player
Presentation Software Microsoft Power Point, Keynotes
Enterprise Software Customer relationship management system
Explanation:
Pure calcium carbonate can be produced from marble, or it can be prepared by passing carbon dioxide into a solution of calcium hydroxide. In the later case calcium carbonate is derived from the mixture, forming a grade of product called "precipitated calcium carbonate,” or PCC.