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INTERNET SERVICE PROVIDERS PowerPoint Presentation
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INTERNET SERVICE PROVIDERS

INTERNET SERVICE PROVIDERS

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INTERNET SERVICE PROVIDERS

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  1. INTERNET SERVICE PROVIDERS Mrs. BRINCAT

  2. INTERNET SERVICE PROVIDERS • A BUSINESS THAT HAS A PERMANENT INTERNET CONNECTION • OFFERS TEMPORARY CONNECTIONS TO INDIVIDUALS AND COMPANIES FOR A FEE • DEPENDING ON YOUR NEEDS, THERE ARE MANY ISPs TO CHOOSE FROM (see www.canadianisp.com)

  3. HOW ISPs CONNECT

  4. HOW ISPs CONNECT TO THE INTERNET • DIAL-UP (Including High Speed) • DSL (Digital Subscriber Line) • CABLE • WIRELESS & SATELLITE

  5. BROADBAND • a wide band of frequencies that is available to transmit information. • allows more information to be transmitted in a given amount of time

  6. DIAL-UP • Requires a computer and a phone-line (most computers have built in modem) • Dial a telephone number • Connect to a phone line through your ISP • Allows you access to the Internet

  7. HIGH SPEED DIAL UP

  8. Dial up ISPs (including High Speed) • Advantages • Inexpensive • Can pay as you go using general ID • Disadvantages • Slow overall speed • Ties up your phone line • Low quality data transfers

  9. DSL (DIGITAL SUBSCRIBER LINE) • REQUIRES A COMPUTER, MODEM, AND A REGULAR PHONE LINE • ALLOWS YOU TO USE THE PHONE WHILE ON THE INTERNET • EXAMPLE: BELL SYMPATICO - Offers different services based on speeds

  10. DSL Access

  11. DSL Access Advantages • ‘Always on’ connection • Faster than dial-up • can use existing phone line Disadvantages: • The service is not available everywhere. • More expensive than Dial-up

  12. CABLE ACCESS • REQUIRES A COMPUTER, MODEM AND YOUR CABLE • CONNECT THROUGH YOUR CABLE LINE TO A SERVER • EXAMPLE: ROGERS, COGECO

  13. CABLE ACCESS

  14. CABLE ACCESS • Advantages • Faster than dial-up • Does not tie up phone lines • Can download larger files • Disadvantages • More expensive than dial-up

  15. Wireless/Satellite Access • Requires a wireless modem or wireless router • Antenna on modem sends a signal through airwaves • Connect to your server through the signal • Has become very affordable • Satellite Access is also available

  16. Wireless/Satellite Access Advantages • Portable (ie. UofT, Starbucks, etc.) • Can also use on Cellular phone and PDA Disadvantages • Service is not available in all areas