CBSE SOLUTIONS-2025-26
CLASS-9
UNIT-III-ICT Skills-I
Chapter-4 COMMUNICATION AND NETWORKING
A. Fill in the blanks:
1. A private browsing feature called__________ mode is provided that prevents the browser from storing any history information or cookies front the websites visited.
Answer: Incognito
2. __________ abbreviated to e-mail or email, is a system of worldwide electronic communication is a method of sending and receiving message over the internet.
Answer: Electronic mail
3. The act of creating and writing on a blog is called_____________.
Answer: Blogging
4. To view an attachment in your message, click the name of the file; a drop-down asks you to preveiw or download or save this file to ______________.
Answer: OneDrive
5. _______________ is an online social networking service, founded by Mark Zuckerberg.
Answer: Facebook
B. Write T for true and F for false:
1. Internet explorer is developed by Apple Inc.
Answer: F
2. Safari is developed by Microsoft Corporation.
Answer: F
3. A web portal is a customized website that provides information from a wide array of sources in a consistent and uniformed manner.
Answer: T
4. CC stands for Blind Carbon Copy.
Answer: F
5. To forward an email, click reply button.
Answer: F
C. Choose the correct answer:
1. Which of the following icons you will not see on a desktop?
a. Task Bar b. Google Chrome c. Trash Bin d. My reoports.docx
Answer: Trash bin
2. A web service through which educational programs are taught:
a. e-commerce b. e-learning c. e-reservation d. Newsgroup
Answer: E-learning
3. Which one of the following options is/are not internet service providers?
a. CBSE b. BSNL c. Microsoft d. Airtel
Answer: CBSE, Microsoft
4. Which one of the following is not a web browser?
a. Google chrome b. Internet Explorer c. Mozilla Firefox d. File Explorer
Answer: File explorer
5. Which of the following statements are true to ensure email security?
a. Avoid opening e-mail with attachments b. Do not respond to junk mail
c. Respond to unsolicited commercial mail d. Protect yourself from phishing
Answer: a. Avoid opening e-mail with attachments b. Do not respond to junk mail d. Protect yourself from phishing
6. Using which of the following options do the online predators trap their victims?
a. Chat rooms or discussion boards b. Talking over phone c. Instant messageing d. E-mail
Answer: a. Chat rooms or discussion boards c. Instant messageing d. E-mail
7. Which of the following option is not an example videos streaming services?
a. Netflix b. iTunes c. YouTube d. Big Basket
Answer: Big Basket
D. Answer the following questions: Short Answer
1. Mention any two uses of Internet.
Answer: Uses of Internet:
1. Communication
2. Entertainment
3. Online shopping
4. Banking
2. Name any three internet service providers in India.
Answer: Internet service providers:
1. Reliance
2. Jio
3. Airtel
4. BSNL
3. Name any three internet browsers.
Answer: Internet browsers:
1. Google Chrome
2. Mozilla Firefox
3. Microsoft Edge
4. UC Browser
4. Define a webpage, web server and website.
Answer:
Web Page: A web page is a single digital document, primarily written in HTML.
Website: A website is a collection of interconnected web pages, typically grouped together under a single domain name.
Web Server: A web server is a computer program or a physical computer that stores and delivers website content.
5. What is home page? How it is different from a webpage?
Answer:
Home Page: A home Page is the main page or initial page of a website.
Web Page: A web page is a single digital document, primarily written in HTML.
E. Answer the following questions: Long Answer
1. What is the function of MODEM to connect to internet?
Answer: A modem's primary function is to act as a translator or bridge between your devices and the internet, converting digital signals from your computer into analog signals for transmission over phone or cable lines.
1. Modulation: When you send data, your modem modulates digital signals from your computer into analog signals. These analog signals are suitable for traveling over the physical infrastructure.
2. Demodulation: Conversely, when data arrives from the internet, the modem demodulates these incoming analog signals back into digital siganls that your computer or other devices can process and understand.
2. What is an e-mail? Write any two advantages of e-mail.
Answer: Electronic mail, abbreviated to e-mail, is a system of worldwide electronic communication is a method of sending and receiving messages over the internet.
Advantages of email:
1. Speed and efficiency
2. Cost effectiveness
3. Global reach
4. Convenience
5. File sharing
6. Record keeping
7. Automation
8. Accessibility
3. What is the difference between reply and reply all buttons?
Answer:
Reply: Use this when your response is only relevant to the origianl sender and does not need to be seen by others who received the initial email.
Reply All: Use this when your response is relevant to the entire group that received the origianl email, ensuring every one stays informed and involved in the conversation.
4. What is the difference between reply and forward buttons?
Answer:
Reply: Your response goes to the origianl sender of the message, or to all original receipients if you choose reply all.
Forward: Your response is sent to a new set of recipients that you specify, who were not originally part of the message thread.
5. Describe the term, social media. List the benefits of social media.
Answer: Social media offers a wide array of benefits including enhanced communication and global connectivity, opportunities for professional netwroking and business growth.
Social media platforms like facebook, instagram, and whatsapp enable effortless connection with friends, family, and others worldwide, breaking down geographical barriers and ficilitating easy sharing of updates and maintaining relationships.
SOME OTHER LINKS:
No comments:
Post a Comment