class 6 chapter 8 and 9

 chapter 8

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Questions and Answers

1. ______ uses technology for learning and teaching so that people can learn from anywhere and anytime.
Answer: b. E-Learning

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2. The set of rules expected to be followed during online communication is known as ______.
Answer: c. Netiquette

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3. An email address usually consists of three parts: username, the @ symbol and ______ name.
Answer: d. Domain

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A. Choose the correct option

4. ______ is a malicious program that enters into a computer without the knowledge of end user.
Answer: a. Virus

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B. Fill in the blanks

(Words given: E-learning, Client, E-commerce, Server, World Wide Web)

1. E-commerce refers to buying and selling of various products online.

2. A computer connected to a network acts either as a client or server.

3. The World Wide Web contains millions of documents called web pages.

4. E-learning means learning with the use of technology anytime and anywhere.

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C. Write T for True and F for False

1. A single computer can act as both client and server. → T

2. Skype and Google Duo are two popular video conferencing applications. → T

3. E-banking is also known as Internet banking or Online banking. → T

4. Information available on the Internet is always correct. → F

5. Online chat refers to communication in the form of short messages over the Internet. → T

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SUBJECTIVE – Answer the questions

1. What do you understand by the Internet?

Answer:
The Internet is a global network of computers that allows people to share information, communicate, and access services like email, websites, and online learning.

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2. Differentiate between viruses, spyware and spam.

Term	Explanation
Virus	A harmful program that damages files or slows down the computer.
Spyware	A program that secretly collects user information without permission.
Spam	Unwanted or junk messages sent through email or online platforms.

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3. Write a note on email and its features. Enlist its advantages and disadvantages.

Answer:
Email (Electronic Mail) is a service used to send and receive messages through the Internet. It allows users to communicate quickly with people anywhere in the world.

Features of Email:

• Can send messages instantly

• Allows file attachments

• Supports multiple recipients

• Messages can be stored and searched

Advantages of Email:

• Fast and low cost

• Easy to use

• Can send documents, images, and videos

• Available anytime and anywhere

Disadvantages of Email:

• Requires Internet connection

• Risk of spam and viruses

• Not suitable for urgent replies always

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4. Write the steps to attach a file to an email.

Answer:

1. Open your email account.

2. Click on Compose or New Mail.

3. Click on the Attach file (paper clip) icon.

4. Select the file from your computer.

5. Click Open/Attach.

6. The file gets attached to the email.

7. Click Send.

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5. What do you understand by netiquette? Write some common netiquette to be followed during online communication.

Answer:
Netiquette is a set of rules that should be followed to behave politely and responsibly while communicating online.

Common Netiquette Rules:

• Be polite and respectful

• Do not use rude or offensive words

• Do not type in ALL CAPITAL letters

• Respect others’ privacy

• Think before posting or sharing messages

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CHAPTER 9

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A. Choose the correct option

1.ARTIFICIAL INTELIGENCE

2. Which of these is a common application of AI?

a) Email
b) Social Media
c) Virtual Assistants like Siri or Alexa
d) Web Browser

✅ Answer: c) Virtual Assistants like Siri or Alexa

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3. Which of these tasks can AI perform?

a) Writing code
b) Making predictions based on data
c) Performing complex calculations
d) All of these

✅ Answer: d) All of these

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4. Which of the following is NOT a type of AI?

a) Narrow AI
b) General AI
c) Supervised AI
d) Super AI

✅ Answer: c) Supervised AI
(It is a learning method, not a type of AI)

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B. Fill in the blanks

(Words given: Image recognition, Human intelligence, Machine learning, Virtual assistant, Narrow AI)

1. A Virtual assistant is an AI application that can assist users by responding to voice commands.

2. AI that is designed to handle a specific task is known as Narrow AI.

3. Image recognition is the AI application used to recognise and identify objects and people in images.

4. The goal of AI is to create machines that can mimic human intelligence.

5. Machine learning is an AI technique used to analyse data and make predictions or decisions based on that data.

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C. Write T for True and F for False

1. A virtual assistant like Siri is an example of AI.
   ✅ True

2. Narrow AI can perform any intellectual task that a human can do.
   ❌ False

3. AI can only be used for tasks that are explicitly programmed by humans.
   ❌ False

4. The main goal of AI is to replace human intelligence.
   ❌ False

5. General AI is designed to handle many tasks, similar to a human’s cognitive abilities.
   ✅ True

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1. What do you understand by the term Artificial Intelligence?

Artificial Intelligence (AI) is a branch of computer science that enables machines to think, learn, and perform tasks like humans, such as decision-making, problem-solving, and understanding language.

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2. Why do we need AI? How does AI work?

Why do we need AI?

We need AI to perform tasks faster and more accurately, handle large amounts of data, reduce human effort, and solve complex problems efficiently.

How does AI work?

AI works by collecting data, analysing it using algorithms, learning from patterns through machine learning, and then making decisions or predictions based on the data.

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3. List two advantages and disadvantages of AI.

Advantages of AI:

1. AI can work faster and more accurately than humans.

2. AI can perform repetitive and complex tasks without getting tired.

Disadvantages of AI:

1. AI systems are expensive to develop and maintain.

2. AI may reduce job opportunities for humans.

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4. What is ASI (Artificial Super Intelligence)?

Artificial Super Intelligence (ASI) is a type of AI that is more intelligent than humans and can perform all intellectual tasks better than human beings.

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