Flashcards
Fundimentals of computer systems
Cards in this deck (30)
- 1What is a computer?A device that can receive and input, process it, store it, and give an output
- 2What does the flowchart for a computer look like?
- 3What are some common types of input?1) keyboard
2) microphone
3) camera
4) accelerometer
5) Bluetooth
6) GPS (and other satellite data)
7) USB - 4What is reliability?The probability that a computer will give the correct output in a given timeframe
- 5What is a life critical system?A system where failure can result in death, financial loss or damage to equipment
- 6How do you improve reliability?1) clear design with user taken into account
2) made with safety and failure in mind
3) Must make testing easy + test plan - 7When should testing be done?Throughout development
- 8What is emulating a system?Running the system in a dummy environment with no consequences if it fails
- 9Why should maintenance be done?To make sure a system works over long periods of time
- 10What is a fail safe?When a system remains safe even if it stops operating
- 11Why is reliability important?To make sure a system stays functioning over time
- 12What is beta testingBeta testing is when the system is tested in real life scenarios
- 13Why are professional standards important?So that all computers can communicate
- 14What does USB stand for?Universal serial bus
- 15What are de facto standards?Standards that come about because they are so popular other manufacturers choose to use them too
- 16What are open standards?Standards that are publically documented and mean that anyone can create hardware or software that uses them.
- 17What does WEEE stand for?Waste Electrical and Electronic Equipment
- 18What do WEEE regulations do?Encourages people to recycle "E-waste"
- 19What can be done with E- waste?1) recycle
2)donating it - 20What are the benefits of recycling?Reusing materials
- 21What are the benefits of donating working E-waste?Can help the country become more technically sound
- 22How much energy is used on standby products each year?£45 - £80
- 23How much more efficient is a laptop over a PC?A laptop uses 85% less electricity
- 24What does the computing code of conduct cover? (4 points)-Obligation to the public interest
-Professional competence & integrity
- Duty to the relevant authority
- Duty the profession - 25What does the code of conduct do?Self regulates its members
instils ethical values - 26What are the 8 principles of the information protection act?-data must be processed fairly
-it can only be used for the purpose stated
-data must be dis guarded if irrelevant
-data must be accurate
-data must not be held longer than needed
-data will be used in accordance with your rights
-data must be kept safe
-data cannot be transferred abroad - 27What is the computer misuse act?The unauthorised access to computers
- 28What are the 3 main crimes by the computer misuse act?1) using a computer to attempt to access a program or data you do not have authorisation for
2) Attempting to access a computer system with the intent of committing further crimes
3) Attempting to access a computer with the intent of changing the data - 29What does the copyright designs and patents act do?Protects work from being copied without permission
- 30—
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- GCSE Computing Flashcards on Fundimentals of computer systems, created by 11fabazardferns on 13/11/2015.
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