Answer:
1) Word processors.
Graphics software.
Database software.
Spreadsheet software.
2) In open source software the source code is public. In proprietary software the source code is protected. Open source software is managed by an open source community of developers. Proprietary software is managed by an closed team of individuals or groups that developed it.
3) Some of the best examples of graphic software include Appy Pie Design, Adobe Photoshop, CorelDRAW, Microsoft Paint, and Adobe Illustrator. Graphic software is a program that lets you create or edit computer graphics of a variety including clip art, web graphics, digital photos, even icons or logos.
Step-by-step explanation: