LO1 Questions

1) Differences

• digital media 
• 
  
• b) optical media 
• Can hold information of many types like films or music
• they are written and read by a laser 

2) Mutability is the ability to change the content of a storage medium
3) 

• a) similarity of an intranet and an extranet is that they are both private
• b) a difference of an intranet and an extranet is that an intranet has closed access while a extranet has open access

4) ‘The internet is everyone connected to everyone else’ means that everybody has access to the internet and has the ability to contact everyone through the internet

5) Advantages and disadvantage to an organisation of using the internet to distribute data

• a) advantages
• i) it allows them to transfer data across the world at speed 
• ii) it is cheaper than sending paper
• b) disadvantage
• i) these databases need to be maintains and up to date