AWS Classroomnotes 14/Feb/2023

AWS Compute

  • Compute are the services where we can run applications. In compute services we choose cpu and ram combination
  • Cloud Computing Deployment Options

    • IaaS (Infrastructure as a Service)
    • PaaS (Platform as a Service)
    • SaaS (Software as a Service)
  • Virtual Machines (IaaS): AWS offers virutal machines by a service called as EC2 (Elastic Compute Cloud)


  • Service: This is offered by AWS to realize certain application component (Database = RDS, Virtual Machine = EC2, K8s = EKS)
  • Resource: Using Service what we create is Resource
  • Cloud Services Provider: AWS, Azure, GCP (Any organization offering cloud services)
  • Pay as You Go: Using services on demand and then bills will be generated monthly. In AWS, service has a billing (just like a metered connection)


  • Elastic Compute Cloud is a IaaS offering from AWS which allows to create
    • Windows
    • Linux
    • Mac
  • Service: EC2, Resource: EC2 instance.
  • Factors impacting cost of EC2 instance
    • CPU
    • RAM
    • Disk Storage
    • Operating Sytem
  • AWS EC2 Purchasing Options
    • On-demand
    • Spot Instances
    • Reserved Instances

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