Computer Fundermentals

Computer Fundermentals

1. Computer Systems

   • A system is a collection of parts that work together for a common purpose.
   • Processing data and producing information.
   • Dedicated:Something designed for one particular purpose.
     • Smoke Alarm
   • General purpose: PC's
   • Embedded system: A computer system that forms part of an electronic device.
   • Importance?
     • Guide planes
     • Science
     • Social networks

2. Standards

   • Industry
     • Standards are sometimes agreed by a whole industry and allow easy interconnection between different devices.
       • USB
   • Proprietary
     • Owned by a company, so have to work in certain ways.
   • Open
     • Source code is open to anyone to make changes too
   • Defacto
     • Some standards evolve to become the norm

3. Ethical,Environmental,Legal Considerations

   • Ethical
   • Enviroment
     • Energy
     • Disposal
   • Legal
     • Data protection act 1998
     • Computer hacking act 1990

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