Implications of Multimedia Technology

Wireless Communications

The data transfer of WI-FI is 11mbps and Bluetooth is 24 Mbit/s.

Computers, laptops and phones all use WI-FI. Phones and headsets use bluetooth.

Bus Communications

Data transfer rate of firewire 100 to 400 mega bits per second, 12Mbits/second for USB.

The devices that use firewire are laptops and desktops and for USB  game consoles, laptops, cameras and desktops.

Magnetic Storage

Typically what size of hard disk drive might be found inside a new PC? 8gb

Typically how much storage capacity do external hard disk drives offer? 500gb

Work out how much uncompressed video could be stored on the hard disks in your answers above?

Work out how many MP3 files could be stored on the hard disks in your answers above?

 

Optical Storage

CDs and DVDs have been a common means of storing multimedia data

  • Find out how much uncompressed audio data can be stored on a CD-ROM? 650mb
  • Find out how much uncompressed audio data can be stored on a CD-ROM?
  • Find out how much video can be stored on a DVD? You can record up to 8 hours on a DVD using a DVD recorder. The longer you record, the lower the quality.
  • Find out how much video can be stored on a Blu-Ray DVD?

 

 

 

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