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What is cloud computing? Show light on the services rendered by cloud computing and enlist its advantages. । UPPSC General Studies-III Mains Solutions 2019


What is cloud computing? Show light on the services rendered by cloud computing and enlist its advantages.

( UPPSC, UP PCS Mains General Studies-III/GS-3 2019)


Cloud computing is a technology that enables users to access and utilize many computer services and applications including computer storage and software services through the Internet without the need for on-premises infrastructure or local storage.


The following are some prominent services rendered by cloud computing-

Infrastructure as a Service ( IaaS):

Cloud computing provides virtualized computing resources including virtual machines, storage, operating system, and networks without the need for on-premises infrastructure. Virtual machines act as a self-contained computer with its own operating system and application.


Platform as a Service (PaaS):

Cloud computing offers a development platform for developing, deploying, and managing applications over the Internet without the need to worry about the underlying infrastructure and operating system.


Software as a Service ( SaaS):

Cloud computing also delivers software applications over the internet on a subscription basis. Users can access and use applications directly through web browsers without the been for installation or maintenance.


Advantages of Cloud computing:

Scalability and Flexibility: Cloud computing allows users to scale their computing resources up or down based on demand.

Cost efficiency: Cloud computing allows users can pay for the resources they consume. It reduces overall IT costs and enables cost predictability.

 Accessibility and Mobility: Cloud services can be accessed anywhere in the world through the Internet, enabling remote work and collaboration.

 Reliability and high availability: Cloud services provide a robust infrastructure that ensures high availability even in disaster time.

 Security: Cloud service providers implement advanced security measures and protocols to protect user data. They have advanced encryption, firewall, and security monitoring services.

 Environmental sustainability: With shared infrastructure and optimized resource utilization, cloud computing can contribute to environmental sustainability.


In conclusion, Cloud computing provides many computing services that have revolutionized the way businesses and individuals access. It has many advantages of scalability, reliability, security, and collaboration that makes it very useful to various user and industries.

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