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Fundamentals of computer systems.
Descripción
Homework for Computing.
Sin etiquetas
gcse
Mapa Mental por
Neo Metcalfe
, actualizado hace más de 1 año
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Neo Metcalfe
hace casi 8 años
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Resumen del Recurso
Fundamentals of computer systems.
Definition
A computer system is a device that can RECIEVE data, STORE it, PROCESS it and also OUTPUT it.
The need for reliability in computer systems.
Life Critical Situations
Hospitals
Power Plants
Air Traffic control
Data stored in databases
If the data center is destroyed, masses of information is lost.
Hard Drive Failure
Missed deadlines
Fired from Job
The probability that a computer system will give the expected output in a given timeframe
Ethical, Legal and Environmental considerations when creating a computer system
Patent Rights
Copyrighted material (such as designs) can not be used when creating a new computer system.
Ethical
Replacing workers with Automated machines.
Privacy: Who can keep data about us and for how long?
WEEE (Waste, electronic and electrical equipment) ensures that old hospital and school appliances are recycled.
Sleep and hibernation modes ensure that computers use less energy when not in use
Virtual servers ensure that more of the physical server is in use
Adhere to energy regulations- need to be energy efficient
The importance of computer systems in the modern world.
Global Communication
Air traffic control
Secure data Access
Secuity
Traffic Lights
The need for professional standards in the development, use and maintenance of computer systems.
USB ( Universal serial bus)
Bluetooth
HTML ensures that webpages can be understood on any device.
De Facto standards- Popular standards that companies choose to use
Open standards, officially agreed upon by companies
ASCII, standard character set that allows all computers to convert binary to characters using the same values.
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