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Chapter 3

Chapter 3. By: Justin Bond and Darion Graham. Operating System. The role of an operating system is to contain instructions that coordinate all of the activities of the hardware devices in a computer.

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Chapter 3

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  1. Chapter 3 By: Justin Bond and Darion Graham

  2. Operating System • The role of an operating system is to contain instructions that coordinate all of the activities of the hardware devices in a computer. • The main operating systems used on today’s computers are: Windows Vista and Windows 7. You may also encounter Windows XP.

  3. Interfaces • A user interface controls how you enter data or instructions (input) and how information is presented on the screen (output). • A graphical user interface or GUI combines text, graphics, and other visual cues to make software easier to use.

  4. Software Applications • The important uses of widely used software applications are: • As a productivity/business tool • Assisting with graphics and multimedia prospects • Supporting school and professional activities • Helping with home and personal activities • Facilitating communications

  5. Software Applications Uses

  6. Software Suites • A software suite is a collection of individual application software packages sold as a single package. • The most popular software suite used is Microsoft Office. • There are two major advantages: • Lower cost: Typically, buying a collection of software packages in a suite costs significantly less than purchasing the application packages separately. • Ease of use: The applications within a suite normally use a similar interface and have some common features.

  7. Documents • A document is a piece of work created with an application and saved on a storage medium with a unique file name.

  8. Video Editing • Editing is the process of making changes to the document’s existing content.

  9. Learning Aids and Support Tools • Help is the electronic equivalent of a user manual. It is usually integrated into an application software package. • Help also links to Web sites that offer Web-based Help. • FAQ (Frequently Asked Questions) helps you find answers to common questions. • Tutorials are step-by-step instructions using real examples that show you how to use an application.

  10. Different Versions • People need to know when a new software comes out. Many software programs include an About or Information command on the Help menu to indicate the software version. • There are two general rules that can help make your work easier when working with different versions of the same software. • 1. An old version of a software package may not open a file created in a newer version of the software. • 2. Newer versions usually open files created in older versions.

  11. The End

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