This document discusses cloud computing fundamentals, including definitions of key cloud service models: Software as a Service (SaaS), Infrastructure as a Service (IaaS), and Platform as a Service (PaaS). It provides a brief history of cloud computing emerging from time-sharing in the 1950s-60s, and explains that cloud services can be public, accessible to all online, or private, limited to a small number of users on a proprietary network. The document also gives a high-level overview of how cloud computing works by allowing users to access data via the internet through remote servers bridged by the network connection.

1. WHAT IS CLOUD
COMPUTING? -
FUNDAMENTALS
OF CLOUD
COMPUTING

2. Introduction To
Cloud Computing
Software as a service (SaaS)
Infrastructure as a service (IaaS)
Platform as a service (PaaS)
Cloud computing majorly involves delivery of hosted services on the internet.
The term cloud computing was derived, or rather was inspired, from the cloud
symbol used in flowcharts to represent the internet. The major goal of cloud
computing services is to offer easy, efficient, and speed access to computing
systems and IT services.
Cloud computing services can be classified into three categories:
This categorization is done based on the delivery service model. Let’s talk more
about SaaS, IaaS and PaaS.
01

3. History Of
Cloud
Computing
Cloud computing came into existence somewhere
between the 1950s and 1960s.
Large companies started using computers in the 1950s. It
was a revolution for the growing industries. However,
unlike the companies in 2000s, those in 1950s didn’t
provide computers for every employee. There was a cost
restraint involved. It was during the late 1950s and the
early 1960s that time-sharing was discovered. The idea
was to use the processor time efficiently.

4. The basic feature that
separates a public cloud and a
private cloud is that public
cloud services are open to
anyone on the internet for
buying but private cloud
services aren’t. A private cloud
is more of a proprietary
network that offers hosted
services to only a small number
of people.
Difference Between
Private Cloud And
Public Cloud

5. How Does Cloud
Computing Work?
Cloud computing allows users/clients to access
data using the internet. They can get
information from databases using remote
servers. Here the internet network connection
plays a vital role. It bridges the two ends of the
process – front end and the back end. It
facilitates efficient of data exchange. The data
stored in back end is accessed by the front end.
The entire process of access and flow of
information between the front end and the
back end is handled by central server.

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