Flashcards
Computer Systems
Cards in this deck (21)
- 1What is a Computer System?A computer system is one that is able to take a set of inputs, process them and create a set of outputs.
- 2What is the role of an input in Computer Systems?To provide data for further processing.
(Keyboard) - 3Output examplePrinter
- 4Storage device exampleNon-volatile
Memory sticks - 5What is the role of an process in Computer Systems?Processing is the stage where the input data is manipulated in order to produce meaningful information.
- 6What is hardware?Hardware are the physical parts that make up the computer.
- 7An example of external hardware (not inside computer)Monitor
Printer
Keyboard - 8An example of internal hardware (inside the computer)Hard disk
CPU
Motherboard - 9What is software?Software are the applications and programming instructions that tell your computer what to do.
- 10What does system software do?Controls the way the computer works and tells it what to do.
- 11Examples of system softwareOperating System
Utilities
User interface - 12What does application software allow you to do?Software that you use to do your work and have fun.
- 13Examples of application softwareWord processors such as Word
Spreadsheets such as Excel
Databases such as Access
Games applications such as Half Life, Call of Duty etc - 14Things that have computer systems.Fridge
Microwave oven
Hospitals
Car
Mobile Phone
TV - 15Ways of measuring a systems reliabilityMTBF:
Mean Time Between Failure - 16What is robustness?Robustness is
about how tolerant the system is to failure. - 17What is a way to protect systems?Hardware redundancy
- 18Legal IssuesThe data protection act
The Copyright, Designs and Patents Act - 19Ethical IssuesEthical considerations are all about fairness.
- 20Environmental IssuesEnvironmental issues include the carbon footprint and waste products that result from manufacturing
computer systems. - 21What is reliability?How much you can depend on the computer system being available when you
need it. Usually measured in terms of availability.
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- Flashcards on Computer Systems, created by Hermione Compton7073 on 19/03/2015.
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- Hermione Compton7073
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