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3510107
Computer Systems
Description
GCSE Computer Science Mind Map on Computer Systems, created by beefycrisps99 on 19/09/2015.
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computer science
gcse
Mind Map by
beefycrisps99
, updated more than 1 year ago
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almost 9 years ago
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Resource summary
Computer Systems
What is a computer system?
Has a input, output, process and storage
Input, output, process and storage
Input
Output
Process
Storage
A collection of sooftware and hardware that work together to achieve a set task
Professional standards
Reliability
Software standards
How to allocate staff to teams
How to keep track of changes
How to code programs
How to test
How to document the whole system
Benifits
Efficency
Any member of a software team can understand it without adapting to a new program
Fewer errors and debugging
Standards result in more accurate coding
Easy to maintain
Any programmer can find it relatively easy to look through the code and make changes
Standards for coding programs
Put comments in the code
Variable names
Naming convention
Formatting code
Version names and numbers
Ethical, environmental and legal considerations
Data protection act
Rules
The data must be accurate and up to date
You have a right to see what data is held about you
The data must be protected from unauthorised access
Personal data is held in hundreds of computers
We would like to be confident that this data is accurate and held for a specific purpose
A lot of this data is private and should not be available for anyone else to look at
It should also be kept safe from people who want to use it for criminal purposes
Computer misuse act
Rules
Developers should not create any programs that help hackers
Computer systems in the modern world
Uses
Retail
Shops
Schools
Emergency Services
Travel
Politcs
Big part of everyone's daily life
Mobile Phones
GPS
MP3 player
PCs
Digital Radio
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