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1. Data is just raw, meaningless facts, information is data with context and knowledge is when you apply rules to information

2. outsourcing is beneficial to companies who can't afford to pay or train staff

3. types of storage media:

   • magnetic: floppy disk, USB, tape media
     • optical: biometrics, raid servers
       • SSD: memory stick, DVD
         • Paper: A5, A4, A3

4. characteristics of storage devices:

   • Durability- does it get easily damaged?
     • Reliability- How consistently does it perform?
       • portability- how easy is it to move from one place to another
         • Capacity- how much data can it store?
           • Speed- how fast can it access the data?

5. Dumb terminal- it is a device attached to a network that doesn't have a hard drive. the file software is stored on a server. it's very cheap and secure

6. optical storage media- a laser light creates marks in a pattern on the disk. the laser light then detects where the marks are and translates this into a readable format.

7. Defragment- removes empty space and joins files together

8. an SSD storage device has no moving parts which makes it reliable

9. the internet is everything that you can touch such as hard ware and cabling servers. the world wide web is everything you can't touch