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Introduction to Computers

What Is a Computer ?

What Does a Computer Do?

How Does a Computer Know What to Do?

Components of a Computer

Input Devices

Processor Unit

Output Devices

Auxiliary Storage

Computer Software

What Is Communications?

INTERNET

Communications Equipment

Communication Networks

Advantages: Hardware, Information Resource sharing

How to Purchase a Computer System

  1. Determine the specific software you want to use on your computer
  2. Look for bundled software
  3. Avoid buying the least powerful computer available
  4. Consider upgrades to the mouse, keyboard, monitor, printer, microphone, and speakers
  5. Determine whether you want to use the telephone lines or broadband (cable or DSL) to access the Internet
  6. nIf you are using a dial-up or wireless connection to connect to the Internet, then select an ISP or OSP
  7. Use a worksheet to compare computers, services, and other considerations
  8. If you are buying a new computer, consider your several purchasing options
  9. If you are buying a used computer, stay with name brands such as Dell, Gateway, Hewlett-Packard, and Apple
  10. If you have a computer and are upgrading to a new one, then consider selling or trading in the old one
  11. Be aware of hidden costs
  12. Consider more than just price
  13. Avoid restocking fees
  14. Use a credit card to purchase your new computer
  15. Consider purchasing an extended warranty or service plan

END
Introduction to Computers

Return to IFS 105 Notes!