Topic 1

Topic 1

1. Computer

   • a computer system is an integrated collection of parts working together to perform a task
   • Computer systems are based on processing data and producing information and outputs
   • Computer systems are involved in most human activity

2. standards

   • One way to ensure computer systems are reliable is to adhere to standards
   • ensure that all examples of this software have the same look and feel so will allow computer users to become familiar with a system with more ease.
   • the sour different types of standards • Proprietary standards • Industry standards • De facto standards • Open standards
   • proprietary
     • These are standards owned by a company
     • example any software that runs on Windows must handle data in a certain way, communicate with the operating system in defined ways and work with a defined interface.
     • The system will look and feel familiar to users
     • Systems will work in a predictable way
     • • The system will be maintained by one company
   • industry
     • Industry standards are those that have been agreed across the computing industry
     • relate to hardware and allow easy interconnection between devices
   • defacto
     • De facto standards are standards which just develop over time through common usage
   • open
     • Open standards refer to standards which are publicly available
     • becoming increasingly popular

3. ethical and legal

   • ethical
     • this is the difference between right and wrong
     • people may have different opinions on ethical issues
     • 1. Do not send offensive emails to other individuals. 2. Harass people 3. Spam 4. Blackmail 5. Trolling 6. Flaming (offence email chain) 7. Racism 8. Offence things
   • legal
     • Legal issues are designed by law
     • and More laws are being passed concerning computer use
     • data protection act
       • created in order to protect people’s privacy as it is now very easy to copy and transmit data
     • computer miss use act
       • illegal to gain unauthorised access to computer systems or to modify the data stored in them

4. enviroment

   • Technology has had an impact on the environment that is both positive and negative
   • pollutes the enviroment in other countries and kills people