Class- 7th Chapter 9: Cloud Computing and IoT

 Chapter 9: Cloud Computing and IoT 

Checkpoint (Pg. 151) 

Write T for True and F for False. 

1. T 

2. F 

3. T 

Exercises (Pgs. 161-163) 

A. Tick (✓) the correct answers. 

1. b 

2. b 

3. b 

4. a 

5. b 

B. Fill in the blanks. 

1. local devices 

2. hybrid 

3. Cloud hosting 

4. Internet 

5. traffic management 

C. Write T for True and F for False. 

1. T 

2. F 

3. T 

4. F 

5. F

A. Answer the following questions.

Q.1    Describe how cloud hosting differs from traditional web hosting . 

Ans:-   Cloud Hosting :- Cloud hosting uses multiple virtual servers, offering scalable resources, high reliability, automatic backups, and pay-as-you-go pricing, efficiently handling traffic spikes with minimal downtime.

Traditional Web Hosting :-Relies on a single physical server with fixed resources, limited scalability, and higher downtime risk, usually at a fixed cost.

Q.2    Describe the differences between public and private clouds . 

Ans:-    Public Cloud:- Owned by third-party providers, public clouds offer scalable, flexible services accessible via the internet, often low-cost, ideal for individuals or small businesses, e.g., Google Drive.

Private Cloud :-    Dedicated to a single organization, private clouds provide enhanced security, control, and tailored infrastructure, hosted on-premises or by a third party, suitable for large organizations.

 Q.3    What challenges do organisations face when adopting cloud computing ? 

Ans:-  While cloud computing has many advantages, it also comes with some challenges and risks. Here are a

few of the main disadvantages:

• Reliance on Internet Connectivity  

 • Loss of Control  

• Security Concerns

 • Technical Issues 

• Limited Features

Q.4.    Describe three uses of IoT in everyday life . 

Ans:-   1. Smart Homes:-    IoT devices like smart lights, thermostats, and security cameras can be controlled remotely via smartphones.

2. Wearable Health Devices:- Smartwatches and fitness trackers monitor heart rate, steps, sleep patterns, and other health metrics, helping users track and improve their wellbeing.

3. Connected Vehicles:- IoT-enabled cars provide real-time navigation, traffic updates, vehicle diagnostics, and even autonomous driving features, enhancing safety and efficiency on the road. 

Q.5    Write three Key features of IoT  . 

Ans:-    Intelligence :- IoT devices can be smart ! They use algorithms and computing power to make decisions. 

Expressing :-    IoT allows devices to express themselves and interact with the world around them, making them more user friendly and efficient . 

Energy :-     IoT devices often need a lot of energy to operate .