its complicated. Distributed computing is a term used to focus on methods and practices used to overcome challenges presented by operating in a distributed environment - heterogenity, latency, etc.
Grid computing by it's nature is often distributed so it encompasses distributed computing. It is also based on parallel computing paradigms - where you split the computation between multiple processors to speed up the calculations.
Grid technology is much bigger than either of these terms though as it also entails resource sharing, security systems, SLA management - as can be seen at www.Gridipedia.eu.
Grid services are used within the Grid to carry out one function - processing, storage, instrumentsation, a softwarre process etc. for more info check oput Gridipedia¡s glossary - Grid Dic
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A distributed computing system requires each machine attached to the network to has specific software allowing them to talk to each other. A distributed virtual systems allows the machines on a network to talk to each other without the use of central software.
On a computer network, operating systems communicate with each other. In a distributed operating system, a single OS is communicating with itself across multiple machines.
explain the difference between systems and sub systems
1 Explain architecture of Distributed Database systems? Also, explain the reasons for building distributed database systems?
the difference between end user system and organisational system
Wesley W. Chu has written: 'Distributed Database Systems - Distributed Systems -' 'Distributed Processing and Database Systems'
the difference can be stated like : in parallel systems we have -more than one cpu -one memory -execution is simultaneous in distributed systems,we have -any number on memories -any number of cpu -each process has its own memory
Distributed systems refer to a network of independent computers that work together to achieve a common goal, while distributed database systems specifically involve databases that are spread across multiple locations. Distributed database systems focus on storing and managing data across various nodes in a network, whereas distributed systems are more general and encompass a broader range of functionalities beyond data management.
Distributed Systems Technology Centre was created in 1992.
You can find the difference between marine gps systems and garmin gps systems on the following site: http://www.secrets2business.com/the-difference-between-marine-gps-handhelds-and-their-bigger-brothers/. They have good descriptions.
Information systems using a mainframe are referred to as distributed because computing results must be distributed to users at various locations.