Type of operating system - created from Mind Map

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Multi -tasking system

Mobile operating system

Embedded operating system

Real- time operating system

Distributed operating systems

This operating system may stand along a computer

Time- sharing system are multi- user

Single powerful mainframe

Super computer connect to dozen

Too many terminals - same main frame CPU

Two operating system

Main operating system

User interface and running application software.

Low level proprietary real time operating system (radio…)

security (Permission)

Minimal user interface.

Accept input from sensors

Output to control device

Limit amount of RAM

Not permanent data storage device

No complex memory required.

Failsafe mechanisms designed to detect and take appropriate action if a hardware component fails.

Respond very quickly to any inputs or sensors

Able to deal with many inputs or sensors

safety - critical system

Incorporate redundancy - that is, if one component fails, it must automatically switch to backup hardware.

Linux, Unix and Window are all available in distributed system.

If you provide more power to the (configured as a cluster of servers that share memory and tasks)= distributed system than its performance will better than before.

Several task--several computers coordinated by the operating system this is why is appears on a single system

Parallel processing system

Spreads the load over multiple servers.