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Operating System Typologies and Architectures

Information Technology10 CardsCreated 1 day ago

This deck covers the typologies of operating systems, focusing on mono-processor and multi-processor systems, including clustered and real-time embedded systems.

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What are the main criteria for classifying operating systems?

Operating systems can be classified based on being free or proprietary, services rendered, operational architecture, supported hardware architecture, evolution, real-time constraints, and embedded systems.
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Key Terms

Term
Definition
What are the main criteria for classifying operating systems?
Operating systems can be classified based on being free or proprietary, services rendered, operational architecture, supported hardware architecture, ...
What defines a mono-processor system?
A mono-processor system has a single CPU with one processing core, capable of executing general instruction sets, while other dedicated processors han...
What are the advantages of multi-processor systems?
Multi-processor systems increase throughput by allowing multiple processors to work simultaneously, although the speedup is less than the number of pr...
What is Symmetric MultiProcessing (SMP)?
SMP is a model where each CPU in a multi-processor system executes all tasks, including OS functions and user processes, sharing physical memory via t...
How do multi-core systems differ from traditional multi-processor systems?
Multi-core systems have multiple processing cores on a single chip, offering faster on-chip communication and lower power consumption compared to mult...
What is Non-Uniform Memory Access (NUMA)?
NUMA is an architecture where each CPU has its local memory, reducing contention on the system interconnect and allowing better scalability as process...
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Operating System Typologies and Architectures
TermDefinition
What are the main criteria for classifying operating systems?
Operating systems can be classified based on being free or proprietary, services rendered, operational architecture, supported hardware architecture, evolution, real-time constraints, and embedded systems.
What defines a mono-processor system?
A mono-processor system has a single CPU with one processing core, capable of executing general instruction sets, while other dedicated processors handle specific tasks like disk control.
What are the advantages of multi-processor systems?
Multi-processor systems increase throughput by allowing multiple processors to work simultaneously, although the speedup is less than the number of processors due to overhead and resource management.
What is Symmetric MultiProcessing (SMP)?
SMP is a model where each CPU in a multi-processor system executes all tasks, including OS functions and user processes, sharing physical memory via the system bus.
How do multi-core systems differ from traditional multi-processor systems?
Multi-core systems have multiple processing cores on a single chip, offering faster on-chip communication and lower power consumption compared to multiple single-core chips.
What is Non-Uniform Memory Access (NUMA)?
NUMA is an architecture where each CPU has its local memory, reducing contention on the system interconnect and allowing better scalability as processors are added.
What is the primary purpose of clustered systems?
Clustered systems aim to provide high availability and increased computational power by connecting multiple individual systems or nodes that share storage and are tightly linked.
What is the difference between asymmetric and symmetric clustering?
In asymmetric clustering, one machine is on standby while another runs applications. In symmetric clustering, multiple hosts run applications and monitor each other, utilizing all hardware.
What are real-time embedded systems?
Real-time embedded systems are designed for specific tasks with strict timing constraints, often used in control applications like automotive systems and industrial robots.
How do real-time systems differ from traditional computing systems?
Real-time systems must process data and provide results within fixed time limits to function correctly, unlike traditional systems where speed is desirable but not critical.