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Computers lecture 1

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Transcript

  • 1. Introduction to Computers 2/1/11
  • 2.
    • Why is it important for a Dental Hygienist to be computer and information literate?
    • The Components of a Computer (Hardware)
    • PC vs MAC
    • Computer Programs (Software)
    • Freeware
    2/1/11
  • 3.
    • Record Keeping
    • Office Management
    • Providing Health Information
    • Promoting Your Practice
    2/1/11
  • 4.
    • Hardware: the physical equipment used in a computer system
    2/1/11
  • 5.
    • The CPU (Central Processing Unit) is the brain of the computer and processes information.
    • RAM (Random Access Memory) holds temporary information that disappears when the computer is shut off
    • Video card for handling displays
    • Sound card for managing sound,
    • Power source
    • Cooling fan
    2/1/11
  • 6.
    • magnetic media that stores information permanently
    • low-end laptops can have hard drives starting at 100MB (megabytes) in size, terabyte (TB) drives are becoming more common.
    • The larger the capacity of the drive, the more information it can store
    • Hard Drive efficiency/size has improved dramatically over the years
    2/1/11
  • 7.
    • CD (compact disc) - the most common type of removable media, suitable for music and data
    • DVD (digital versatile disc) - same dimensions as a CD but stores up to 12 times as much information
    • Blu-ray Disc - a high-density optical disc format for data and high-definition video. Can store 70 times as much information as a CD.
    • USB flash drive - a flash memory data storage device integrated with a USB interface,
    2/1/11
  • 8.
    • piece of equipment used to provide data and control signals to the computer
    • Includes: Keyboard, Mouse, Touchscreen, Microphone, Web Cam
    2/1/11
  • 9.
    • equipment used to communicate the results of data processing carried out by the computer
    • Includes Monitor, Speakers, Printer
    2/1/11
  • 10.
    • connect the computer to the internet through a phone line or high-speed cable
    2/1/11
  • 11.
    • Mac's are built by Apple and use that companies Operating System (OS)
    • PCs are usually operated by a Microsoft Windows operating system
    • Differences exist over price ($), selection, operating systems, software availablility security, service
    2/1/11
  • 12.
    • a collection of computer programs and related data that provide the instructions telling a computer what to do and how to do it
    • Tens of thousands of different kinds of software
    2/1/11
  • 13.
    • Computer Software that is freely available to use
    • Are also Open Source – you know what the computer codes are for this software and can make changes to it
    • Examples include Linux, Open Office, VLC Media Player
    2/1/11
  • 14.
    • Create a one-page flyer to promote your fictional dental hygiene practice
    • You need to include an image, information about your location, office hours, contact details
    • You need to include a bulleted list, a table, wording in different sizes, and a header
    • You can use Microsoft Publisher if you wish
    • Due February 15 th – email your file to [email_address]
    2/1/11