Computer Systems

Computer Systems

1. Embedded

   • Built into other things

2. Software

   • Open source
   • Cloud
     • Online
   • Off-The-Shelf
     • Proprietry
     • Bought
   • Custom written
     • Made for you
   • Kernel
     • Low level of O.S(control hardware)

3. Hardware

   • input-eg Keyboard
   • Output-eg Monitor
   • Storage-eg USB stick

4. Importance of computers

   • Reliability
     • MTFF(Mean Time to First Failure)
     • AVAIL
   • Testing
     • BETA
     • Alpha

5. Professional standards

   • Open
     • eg linux
   • Proprietry eg windows
   • Industry eg USB
   • Defacto eg HTML

6. Considerations

   • legal
     • health and safety
     • Computer misuse
     • Data protection Act
     • Copyright
   • environmental
     • sustainable
       • recycling
       • e-waste
     • Computers can save energy
       • less transport
       • less paper
   • ethical
     • storing data(personal)
     • Digital Divide
       • factors
         • age
         • money
         • location
       • impacts
         • social
         • moral
         • economic