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Computer Basics

Computer Basics. Unit 1. Getting to Know Computers. Ch. 1. Computer. An electronic device that manipulates information, or "data." Watch What is a computer?. Computer. Has the ability to store , retrieve , and process data. Computers Simplified. Two basic parts Hardware

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Computer Basics

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  1. Computer Basics Unit 1

  2. Getting to Know Computers Ch. 1

  3. Computer • An electronic device that manipulates information, or "data." • Watch • What is a computer?

  4. Computer • Has the ability to store, retrieve, and process data.

  5. Computers Simplified • Two basic parts • Hardware • any part of your computer that has a physical structure • Software • any set of instructions that tells the hardware what to do

  6. What are the Different Types of Computers? • Desktop Computers • Laptop Computers • Servers • Tablet Computers • Mobile Phones • Game Consoles • TVs

  7. What are the Different Types of Computers? • Desktop Computers • Benefits • easy to upgrade and expand • cost

  8. What are the Different Types of Computers? • Laptop Computers • Benefits • Portability • Downside • Difficult to upgrade • usually possible to add more RAM or a bigger hard drive

  9. What are the Different Types of Computers? • Servers • a computer that "serves up" information to other computers on a network • Plays an important role in making the Internet work • Stores web pages • Delivers requested pages

  10. PCs and Macs • PC • Began with the original IBM PC that was introduced in 1981 • Mac • The Macintosh computer was introduced in 1984, and it was the first widely sold personal computer

  11. Understanding Operating Systems Ch. 1.2

  12. Operating system • The most important software that runs on a computer • Why? • Manages the computer's memory, processes, and all of its software and hardware

  13. The Operating System's Job • Booting • The process that occurs when you press the power button to turn your computer on.

  14. Types of Operating Systems • Microsoft Windows • Apple Mac OS X • Linux

  15. Types of Operating Systems • GUI (Graphical User Interface) • Lets you use your mouse to click on icons, buttons, and menus

  16. Microsoft Windows • Microsoft created the Windows operating system in the mid-1980s. 

  17. Operating Systems for Mobile Devices • Examples • Apple iOS • Windows Phone 7 • Google Android

  18. Understanding Applications Ch. 1.3

  19. What is an application? • A type of software that allows you to perform specific tasks • Desktop applications • Applications for desktop or laptop computers • Mobile apps • Mobile device

  20. Types of Desktop Applications • Word Processors • Personal Finance • Web Browsers • Games • Media Players • Gadgets

  21. Opening Files with Applications • Two main ways to open a file • Find the file on your computer, and double click it. • Open the application, then use the application to open the file

  22. What are some examples of applications you have on your computer? Did you have to install them, or did they come pre-installed on your computer?

  23. Web Apps and the Cloud Ch. 1.4

  24. What is the Cloud? • The Internet • It's all of the things that you can access remotely over the internet • Stored on servers on the internet

  25. What is the Cloud? • Examples • Dropbox • Evernote • Mozy • Carbonite

  26. Why Use the Cloud? • Reasons to use the cloud • Convenience • Reliability • Saving a file to the cloud ensures that you'll be able access it with any computer that has an internet connection

  27. Why Use the Cloud? • Benefits • No physical media to keep track of • Easier to share a file • Less likely to lose your data • Risks • Someone may try to gain access to your personal data • Strong password • Pay attention to any privacy settings

  28. What is a Web App? • Cloud apps • Web applications (or web apps), which run in the cloud and do not need to be installed on your computer

  29. Examples of Web Apps • Online Email Services • Google Docs • Facebook

  30. How Do Web Apps Work? • Network of servers • Pool all of their processing power • Use specialized servers to store the data

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