What are the different layers in cloud computing? Explain working of them.

<p>There are 3 layers in the hierarchy of cloud computing.</p> <p><strong>Infrastructure as a service (IaaS):</strong>It provides cloud infrastructure in terms of hardware as like memory, processor, speed etc.</p> <p><strong>Platform as a service (PaaS):</strong>It provides cloud application platform for the developer.</p> <p><strong>Software as a service (SaaS):</strong>:It provides the cloud applications to users directly without installing anything on the system. These applications remains on cloud.</p>