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Unit 210 - Lesson 3 - Bandwidth

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Unit 210 - Lesson 3 - Bandwidth

  1. 1. Bandwidth Unit 210 – Lesson 3
  2. 2. Lesson Goals Understand the meaning of bandwidth Know the effect bandwidth can have on interactive multimedia products Be able to describe limitations caused by bandwidth #bandwidth #limit #multimedia
  3. 3. What is Bandwidth? Think of where you have heard of it before…
  4. 4. Understand meaning of bandwidthBandwidth Be able to describe limitations This is a measure of how much data can be used within a second e.g. Kilobytes per second or Megabytes per second. Sometimes people want to look at lots of data at once, especially with interactive multimedia products. This might include text, videos, images, animation and sound. Bandwidth is often restricted to only allow so much data to filter though at a time and this is when you might find that some products run slowly. #bandwidth #limit #multimedia
  5. 5. Understand meaning of bandwidthBandwidth Be able to describe limitations #bandwidth #limit #multimedia
  6. 6. Understand meaning of bandwidthBandwidth Be able to describe limitations Download times for Virgin Media: 30mb 60mb 100mb Album 18 sec 9 sec 6 sec TV Show 102 sec 54 sec 30 sec Movie 5 mins 2.5 mins 1.5 mins HD Movie 20 mins 10 mins 6 mins The larger the connection size the faster the download will occur. Bandwidth can be throttled to prevent further #bandwidth #limit downloads from taking place. #multimedia
  7. 7. Understand meaning of bandwidthYour Task Be able to describe limitations  Research and explain the following:  What does bandwidth mean?  What are the limitations of small bandwidth? #bandwidth #limit #multimedia
  8. 8. Key Words  Bandwidth  The measure of how much data is allowed along a connection every second  Limit  The point beyond which something may not go any further  Multimedia  A product that combines various types of media such as images, audio, video etc.

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