Introduction to computer science dessalegn Mequanint Yehuala Foreword

Activity Assessment Criteria: 
Summary completeness and readability.
Summative Assessment for the Unit
Instruction to Unit Assessment
A solid understanding of the following items is a necessity, in case of doubts learners are
advised to go back to the specific sections where they feel is not confident enough on
their grasp of the notion(s).
• The origin of the Internet,
• The broader application or purposes of the Internet,
• What IoT and its components mean,
• The notion of smart world, smart cities, etc.
1.
What is Internet, and for what purposes it is used?
2.
Describe the components of IoT.
3.
Discuss the pros and cons of using the Internet.
4.
What factors inhibit Internet access penetration in Africa?
Grading scheme:
Preparing both subjective and objective questions related to the items mentioned above is
required, the above questions are included as sample to aid in course module facilitators on
how to prepare unit assessment questions, and the unit assessment weight should not exceed
10%.

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Unit 3: The Internet
55
Answers:
• The Internet is defined as the network of networks, communication, online
shopping, resource or information sharing, etc.
• The following is a summary of components of IoT.
Physical Objects:
Things
Sensors
Sense the physical environment
Actuators
Affect the physical environment
Virtual Objects
Electronic tickets, Agendas, Books, Wallets
People
Ex.: Humans can control the environment via mobile
apps
Services
Ex.: Cloud services – can be used to:
• Process big data and turn it into
valuable information
• Build and run innovative applications
• Optimize business processes by
integrating device data.
Platforms
Type of middleware used to connect IoT
components (objects, people, services, etc.) to IoT.
Provide numerous functions:
• Access to devices
• Ensuring proper installation/behavior
of device
• Data analytics
• Interoperable connection to local
network, cloud or other devices.
Networks
IoT components are tied together by networks,
using various wireless and wireline technologies,
standards, and protocols to provide pervasive
connectivity.

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