Computer Essentials

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Presentation from the Computers for Seniors class at the Quinte West Public Library.

Presentation from the Computers for Seniors class at the Quinte West Public Library.

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  • 1. Welcome Everyone! Computer Essentials Course Presented by Quinte West Public Library and Peter Ferguson
  • 2. Before Learning about Computers
    • The mouse isn’t fragile
    • Typing ability is helpful, but not necessary.
    • You can’t press any key that will destroy your computer
    • Relax, enjoy and learn with no deadlines
    • Remember Inexperience is not an indication of your intelligence!!
  • 3. What is a Computer?
    • Computers are not very intelligent (YES / NO)
    • They follow directions from the user
    • Computers are really just powerful calculators with some “extras”
    • They only handle instructions fast.
  • 4. What is a System?
    • Standardized Method of doing something
    • Specific pieces of hardware and software that your computer needs to perform tasks
    • Computer system converts your keystrokes into letters and displays them on the monitor screen.
  • 5. Hardware and Software
    • The hardware is what sits on your desk and executes the software instructions. (Physical)
    • Software a series of simple computer instructions organized to complete tasks. (Intangible)
  • 6. The Player Piano
    • Piano is the hardware
    • the Music Roll is the software.
    • Player Pianos are useless unless the music roll has been written correctly.
  • 7. Hardware
    • physical parts of a computer
    • Input Devices
      • Allows us to put things in the computer
    • Output Devices
      • Allows the computer to put things out for us to see
  • 8. Input Devices
    • How we tell the computer what to do
    • keyboard
      • Enter letters and numbers
    • Mouse
      • Point and click, select, drag
    • Joysticks
      • used for games
    • Scanner
      • Input pictures, text from books,
  • 9. Output Devices
    • How it shows you what it is doing
    • Monitor or CRT or screen (soft-copy)
      • View information from the computer
    • Printer (hard-copy)
      • Physical image of computer information
  • 10. Random Access Memory - RAM
    • RAM is the memory your computer uses to run applications.
    • The amount of RAM in your computer is fixed
    • sales people will define a computer's capabilities by amount of RAM
    • Also known as Active Memory
  • 11. Working Surface: Desk or Table
  • 12. Read-Only Memory - ROM
    • Saved information in memory
    • can be read only and not altered (CD)
    • ROM is built into your computer to help it start when you turn it on
    • Any information saved on a disk such as information used to perform a task
    • Also known as Storage Memory
  • 13. Storage for Documents and Programs
  • 14. Memory
    • How the processor stores and uses immediate information
      • You request a program
      • Computer loads the program from the hard drive to faster RAM memory.
      • You save your work the information gets written back to the hard drive.
  • 15. Storage Devices
    • Where computers save information or data
      • Internal / Fixed
        • Hard disk drives HDD
        • Compact Disc CD
      • External / Portable
        • Floppy Disk Drives FDD
        • Thumb Drives USB
  • 16. Internal Storage Disks
    • Hard disk/hard drive
      • A fixed permanent storage unit that holds a great deal of information.
    • Compact Disc Drive
      • Stores information such as programs, games, and back ups of documents that are permanent
  • 17. External / Portable Storage
    • Floppy disk/diskette
      • A portable disk on which information is magnetically written that can be read, copied, or deleted.
      • "Floppy" describes older 5.25" disks which were flexible, while the more common 3.5" disks are hard cased
    • Thumb Drives
      • Large storage capacity for files and documents
  • 18. Central Processing Unit or CPU
    • All processes and tasks are performed by CPU
      • Printing
      • Screen views
      • Saving files
    • Megahertz (MHz) is the CPU speed in which it performs instructions
    • It’s the Brains of the Computer
  • 19. Icons
    • Pictures that represent actual items like:
      • Hard drives
      • Applications
      • Actions
      • Tasks
      • Documents / Files
      • Pictures
  • 20. Operating System or Platform
    • Software provides a "user interface" to:
      • manage files
      • start applications or programs
      • customize computer settings
      • other tasks
    • PCs use Microsoft Windows XP, VISTA
    • Macintoshes use the Macintosh OS (operating system.)
  • 21. Software Applications
    • a piece of software intended to do a particular task such as accounting, typing, number-crunching, or making pictures
  • 22. Popular Software Applications
    • Word Processing (MS Word, WordPerfect)
    • Spreadsheets (MS Excel, Lotus 123)
    • Database (Access, Fox Pro)
    • Presentation (PowerPoint, Presentations)
    • Browsers (MS Internet Explorer, Fire Fox,)
  • 23. File or Document
    • any single creation by an application,
      • A single chart
      • A painting
      • A four page paper
      • A web page
      • A thesis with graphics and footnotes.
      • A government form
  • 24. Cursor
    • a visual indicator on the screen that lets you know where your mouse is positioned.
    • allows you to insert text or select existing items to be erased or deleted, copied or modified.
  • 25. Network
    • A group of computers that are connected with each other by:
      • telephone lines (Internet)
      • fiber-optic cables
      • Cables
    • Benefits on a computer network:
      • share files
      • send information very quickly
      • enable multiple users to communicate at one time.
  • 26. Which way is the School Bus Going?
  • 27. Happy Computing Peter Ferguson 613-965-6777 [email_address]