This document discusses various applications of computer networks. It begins by introducing how networks connect people and devices globally. It then discusses how the internet and world wide web enable access to information and global collaboration. Communication applications like messaging, video conferencing and collaborative documents are also covered. Other sections explain cloud computing, the internet of things, online entertainment, e-commerce, online banking and e-learning - all areas that rely on computer networks. Benefits of each application are highlighted such as flexibility, cost savings and accessibility. The document provides an overview of the many ways networks are used in the digital era.

1. APPLICATIONS OF
NETWORKS
ES/CIT/006 – COMPUTER NETWORKS AND APPLICATIONS

2. Content
 Introduction
 Internet and World Wide Web
 Communication and Collaboration
 Cloud Computing
 Internet of Things (IoT)
 Online Entertainment and Streaming
 E-commerce
 Online Banking
 E-Learning

3. Introduction
 In today's digital era, computer networks play a vital role in connecting people, devices, and
information across the globe. From seamless communication to transformative technological
advancements, computer networks have revolutionized the way we live and work

4. Internet and World Wide Web
 The internet is a global network of computer networks
interconnected through standardized protocols. It
enables the exchange of data and information across
the globe, connecting billions of devices and users.
Computer network is the BACKBONE of Internet.
 The World Wide Web, often referred to as the Web, is
a system of interconnected documents and resources
accessible via the internet. It is built on top of the
internet infrastructure and relies on computer
networks for data transmission.

5. Internet and World Wide Web
 Benefits of internet and WWW
 Access to Information
 Communication and Connectivity
 E-commerce and Online Shopping
 Global Collaboration and Remote Work
 Entertainment and Media
 Online Education and E-Learning
 Social Networking and Community Building
 Personal and Professional Development
 Innovation and Entrepreneurship

6. Communication and Collaboration
 Instant Messaging and Email
Ex: WhatsApp, Viber, Gmail, Ymaill
 Video Conferencing
Ex: Zoom, Google Meet, Microsoft Teams

7. Communication and Collaboration
 Collaborative Document Editing
Ex: Google Docs/ Sheets/ Slides, Microsoft Office 365
 Remote Teamwork
Ex: Jira, Trello, Asana

9. Communication and Collaboration
 Benefits of communication and collaboration with computer networks
 Global Connectivity
 Real-Time Communication
 Seamless File Sharing
 Efficient Project Management
 Enhanced Team Collaboration
 Increased Productivity
 Access to Remote Expertise
 Enhanced Innovation
 Cost-Effectiveness

10. Cloud Computing
 Cloud computing is a model for delivering computing resources and
services over the internet.
 Instead of owning and managing physical infrastructure, users can
access and utilize virtualized resources, such as computing power,
storage, and software applications, from cloud service providers.
 Cloud computing deployment models
 Private Cloud - Private cloud infrastructure is dedicated to a single
organization or user, either on-premises or hosted by a third-party
provider.
 Public Cloud - Public cloud services are provided over the internet by third-
party cloud service providers.
 Hybrid Cloud - Hybrid cloud combines the use of both public and private
cloud resources.

11. Cloud Computing
 Cloud computing service models
 Software as a Service (SaaS) - SaaS delivers complete software applications over the internet.
Ex: Office 365, Google Workspace, Dropbox
 Platform as a Service (PaaS) - PaaS offers a platform and environment for developing, testing, and
deploying applications.
Ex: GitHub, Google App Engine, Red Hat OpenShift
 Infrastructure as a Service (IaaS) - IaaS provides virtualized computing resources, such as virtual
machines, storage, and networking.
Ex: Amazon Web Services (AWS), Google Compute Engine (GCE), Microsoft Azure, Oracle Cloud

12. Cloud Computing

13. Cloud Computing
 Benefits of Cloud Computing
 Flexibility and Scalability
 Cost Efficiency
 Accessibility
 Reliability and High Availability
 Collaboration and Remote Work
 Data Security and Compliance

14. Internet of Things (IoT)
 IoT refers to a network of physical devices, vehicles, appliances, and other objects embedded
with sensors, software, and connectivity capabilities that enable them to collect and exchange
data over the internet.
 It refers to a network of physical devices, vehicles, appliances, and other objects embedded
with sensors, software, and connectivity capabilities that enable them to collect and exchange
data over the internet.
 Functions of IoT devices,
 Gather and share data
 Enabling them to monitor
 Respond to the surrounding environment
 Making informed decisions and taking actions accordingly

15. Internet of Things (IoT)
 Examples:
 Smart homes
 Connected Cars
 Smart Home Appliance
 Smart security systems
 Smart Agriculture Equipment

16. Online Entertainment and Streaming
 Online entertainment and streaming is delivering of audio, video, and multimedia content
over the internet to users' devices in real-time.
 This form of entertainment has gained significant popularity in recent years, revolutionizing
how people consume media and engage with entertainment content.
 Example for online entertainment and streaming
 Netflix
 Disney+
 Spotify
 Hulu
 YouTube
 Twitch

17. E-Commerce
 Electronic Commerce or E-Commerce is the buying and selling of goods and services over the
internet. It involves online transactions, electronic funds transfers, and online business
operations.
 Key Features of E-Commerce
 Online Stores
 Global Reach
 Convenience and Accessibility
 Secure Online Payments
 Personalization and Recommendations
 Customer Reviews and Ratings

18. Online Banking
 Online banking, also known as internet banking or electronic banking. It can provide banking
services and financial transactions conducted over the internet.
 It enables individuals and businesses to manage their finances remotely.
 Key features of online banking:
 Account Management
 Mobile Banking
 Secure Transactions
 24/7 Availability
 Automated Services
 Enhanced Customer Support

19. E-Learning
 E-Learning is the use of digital technology and the internet to deliver educational content and
facilitate learning experiences.
 It has gained significant popularity as a flexible and accessible approach to education.
 E-learning tools
 Learning Management Systems (LMS) / Virtual Learning Environments (VLE)
 Video Conferencing and Webinar Platforms (Ex: Zoom, Google meet)
 Video hosting and streaming platforms
 Gamification tools (Ex: Kahoot, Classcraft, Qizlet)
 Quiz tools (Ex: Google Forms)
 Mobile Learning apps (Ex: Coursera, Udemy, Duolingo)

20. Summery
 Introduction to Computer Network
 Data communication / Computer Network
 Components of Computer Network
 Advantages and Disadvantages of Computer Network
 Network Peripherals & Devices
 Hub / Repeater
 Switch
 Router
 Firewalls
 LAN Configuration
 Subneting
 IP Classes
 Applications of Networks

21. Thank You!