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Computer and Internet Basics

Computer and Internet Basics. Computers in your World. Learning Objective 1: Define a personal computer and describe computer use in daily life. What is Digital Revolution and how does it affect me?.

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Computer and Internet Basics

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  1. Computer and Internet Basics

  2. Computers in your World Learning Objective 1: Define a personal computer and describe computer use in daily life.

  3. What is Digital Revolution and how does it affect me? • Digital revolution is an ongoing process of social, political and economic change brought about by digital technology. • Compare DIGITAL REVOLUTION with the other REVOLUTIONS.

  4. Digital TechnologyDigital Devices • Computers • Portable Media Players, Cameras, mobile phones • Smartphones, table computers, global positioning systems (GPSs), • DVD and CD players, ebook readers • Digital voice recorders and video games.

  5. Digital Electronics • Cars • Appliances • Microwaves, dishwashers,refrigerators and washing machines use digital electronics. • This revolution influences the tools you use to work, play, teach and govern when you use a computer.

  6. What is a computer? • A computer is an electronic device. • Four Basic Functions of a computer: • Accepts input • Processes data • Stores data • Produces output as information

  7. Why would I use a computer? • Access information of the Web • Create documents • Calculate a budget • Change digital photographs • Create music • Produce original graphics. • Most likely you will use a computer to communicate with people through the Internet.

  8. Do all computers look alike? • No. Computers come is a variety of styles, models and sizes. • The way a computer looks depends on how the computer system is set up and what it will be used for. • Usually, people talk about personal computers. (PC) • A computer system includes hardware, peripheraldevices and software.

  9. What is hardware? • Refers to the electronic and mechanical parts of a computer. • The system unit is a box that houses the most important parts of the computer system. • Hardware not only refers to the internal parts of the computer but also to its external parts, which are called peripheral devices.

  10. What is a peripheral device? • Hardware that can be added to the computer system to expand what it can do. • Printers, media players, digital cameras, USB drives, scanners and graphic tablets. • Once your computer system is set up with hardware and peripheral devices, what is the next thing you need to run as a computer??

  11. Software • A computer program that tells the computer how to perform tasks. • Word processing software, antivirus software, apps or Web applications. • These terms refer to software that runs on your computer, smartphone or some other digital device.

  12. How do I use a computer? • First you must input data or information. • Input data using an input device • Keyboard • Mouse • Touch screen. • The input device and the computer work together to change the information into a series of electronic signals the computer can understand.

  13. Then what? • Once the computer has the input, it processes the information and sends the processed information to an output device. • Monitors • Printers • Speakers

  14. What is digitization and why is it important in my daily life? • Digitization is the process of converting text, numbers, sound, photos and video into data that can be processed by the computer. • An advantage of digital images and sounds is that they can be easily stored, copied and shared. • Digital cameras have replaced film cameras.

  15. Is my Smartphone a computer? • Yes, because a smartphone performs the four basic functions of a computer. • Smartphones accept input-- the number you enter, processes the input – calls the number you enter, stores data – keeps numbers in your address book, outputs data – connects you to the phone you dialed. • Other digital devices performs the four basic functions: mobile tablets, video game consoles and media players.

  16. Digital Devices • Many digital devices share other computer characteristics. • Tablets feature small keyboards, some accept handwriting and some work with touch screen icons.

  17. What is digital convergence? • The trend to blend several technologies that have distinct functions into one single product. • An early example: • Multipurpose machine that worked as a scanner, fax, printer and telephone. • Today's examples: • Mobile phones, GPS, cameras...

  18. Digital Convergence • Apple iPhones and other Smartphones include: • Voice communication, text messaging, email, Web access, removable storage, camera, radio, digital music player. Software options for games, financial management, personal organizer, GPS and maps.

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