Karteikarten
Computer Systems
Karten in diesem Stapel (15)
- 1What is a computer system?Something which can rerceive, store, process and output data
- 2What do computer systems consist of?Input devices
Output devices
Internal memory
Processing devices
Storage devices
Software which supplies instructions to the processing devices - 3What is reliability?The probability that a computer will produce the correct output
- 4What would happen if a life critical computer system failed?It could result in death or serious damage
- 5How could you improve a computer's reliability?Clear design - satisfies user requirements
Designed with safety & failure in mind
Testing
Developed according to defined standards
Testing throughout development
Fail safe mechanisms
Maintenance should be carried out after the system goes live - 6What are standards?Help make sure that different computer systems can talk to each other
Systems are more likely to be successful and satisfy users if they are developed according to defined standards - 7What are proprietary standards?Standards that are owned by a company that then charge others to use it
e.g. Windows - 8What are industry standards?Standards that are agreed across the computing industry
e.g. USB - 9Wht are de facto standards?Develop through common usage until they become the accepted way of making or doing things
eg PDF, HTML - 10What are open standards?Standards that are publicly available
Developed and modified by users
Regular updates for no or minimal cost
High quality
e.g. Linux, Python - 11Give examples of software standardsASCII - allows computers to interpret binary codes as the same character
HTML - allows different computers to view the same web pages
TCP/IP - set of standards to allow all computers to transmit data across the internet - 12What is ethical behaviour?Behaving in a morally correct way
- 13What is a code of conduct?Lists rules that should be followed by their members in order to behave ethically
- 14What is e-waste?Any waste created by electrical or electronic devices that have been thrown away
Often dumped in landfill sites
Toxic substances can leak into the soil and water supply - 15What is WEEE?Waste Electrical and Electronic Equipment Directive
Ensures equipment is recycled and not dumped
Informationen
- Beschreibung
- GCSE Computing (1 Fundamentals of a Computer System) Karteikarten am Computer Systems, erstellt von Anisha Rai am 14/04/2016.
- Erstellt von
- Anisha Rai
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- 25
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