Class 8 Unit-2 (Information & Communication Technology)

    

                             

Chapter-2 Information & Communication Technology

 Group 'A' (Multiple Choice Questions)

  1. Which of the following are not the tools of information and communication technology?

(a) Newspaper             (b) Projectors

(c) Television                    (d) Microscope

  1. What is the full form of ATM?

(a) Automatic transfer machine    (b) Automatic teller machine

(c) Automated teller machine (d) Autograph transfer machine

  1. Which of the following statements are incorrect about the precautions to be taken while using ATM?

(a) ATM cards and PINs should be kept safe.

(b) The PIN should be changed from time to time.

(c) It is not necessary to change the PIN from time to time.

(d) ATM cards and PIN should not be given to anyone.

  1. What is called the network connecting device?

(a) Router        (b) Printer

(c) Scanner            (d) Card Reader

  1. What is called for the communication program to search the content on the internet through the world wide web?

(a) Set-top box      (b) Wi-Fi

(c) Website            (d) Search engine

  1. Which of the following statements is incorrect about Internet Service Provider (ISP)?

(a) ISP provides high-speed internet service.

(b) ISP provides services like phishing, malware to its

      customers.

(c) ISP provides email addresses to its customers.

(d) ISP provides web hosting services.

  1. Which of the following is the benefit of social media?

(a) Customer interaction         (b) Fake account

(c) Information leak                      (d) Cyber bullying

  1. What is called for the shutting down of a website or computer network through unethical means?

(a) Cyber terrorism      (b) Cyber bullying

(c) Hacking           (d) Identity theft

  1. What is called for the software program that makes a copy from one computer to another computer?

(a) Computer worm                 (b) Phishing

(c) Botnet                                      (d) Spam 

          10.  Which of the following is an example of artificial intelligence?
                    (a) Virtual Reality       (b) Chatbots

                    (c) Botnet                    (d) Computer worm

           11.  Which of the following is a social networking site?
                    (a) Facebook               (b) Twitter
                    (c) Instagram              (d) All of the above

            12.  Which of the following is a search engine?
                    (a)
www.moe.gov.np               (b) www.facebook.com
                    (c)
www.google.com         (d) www.google.edu.np

            13.  What is the fixed address of the website called?
                    (a) www                      (b) URL

                    (c) Web page               (d) Web browser

 

Group 'B' – Very Short Answer Questions (1 mark each)

  1. Write the full form of ATM.
    → Automated Teller Machine
  2. Write any one application of scanner.
    → Used to digitize documents or images into the computer.
  3. What is meant by printer?
    → A printer is an output device that produces hard copies of digital documents or images.
  4. What is the working principle of router?
    → A router forwards data packets between computer networks and directs traffic on the internet.
  5. What is blogging?
    → Blogging is writing and publishing content regularly on a website, usually in the form of articles.
  6. What is the name of the first cyber law in Nepal?
    → Electronic Transaction Act 2063
  7. What is computer code of conduct?
    → A set of ethical rules and guidelines for using computers responsibly and legally.
  8. Write any one application of artificial intelligence in astronomy.
    → AI is used to analyze telescope data to discover new stars or planets.
  9. What is called for the computer technology that creates an artificial environment?
    → Virtual Reality (VR)
  10. What is meant by intellectual property?
    → Intellectual property refers to creations of the mind like inventions, literary and artistic works that have legal rights.
  11. Give an example of cyber crime.
    → Hacking into someone's personal account.
  12. Write one importance of the internet.
    → It allows access to global information and communication in real-time.
  13. Write any one challenge of artificial intelligence.
    → Job displacement due to automation.
  14. What is computer ethics?
    → Moral principles that guide the use of computers and digital information.
  15. Write the full form of:
    → (i) WWW – World Wide Web
    → (ii) URL – Uniform Resource Locator
    → (iii) WiFi – Wireless Fidelity
    → (iv) ISP – Internet Service Provider
    → (v) AI – Artificial Intelligence
    → (vi) VR – Virtual Reality

Group 'C' – Short Answer Questions (2 marks each)

  1. Write any two applications of information and communications technology.
    → (i) Online education
    → (ii) E-commerce
  2. Write the name of any two input devices of automated teller machine and mention their function.
    → (i) Card Reader – Reads account data from the card
    → (ii) Keypad – Used to enter PIN and transaction details
  3. Write any two health problems due to overuse of social media on human health.
    → (i) Eye strain and headache
    → (ii) Mental stress and sleep disorder
  4. Write any two differences between hacking and phishing.
    → Hacking: Unauthorized access to systems
    → Phishing: Tricking users into giving personal data like passwords
  5. Write any two disadvantages of cloud computing.
    → (i) Data privacy concerns
    → (ii) Dependence on internet connection
  6. Write any two differences between artificial intelligence and cloud computing.
    → AI: Simulates human intelligence
    → Cloud Computing: Provides computing services over the internet
  7. How can we use artificial intelligence in social media? Explain.
    → Artificial Intelligence (AI) is used in social media in the following ways:
  • Content recommendation: AI suggests posts, videos, or friends based on user interests.
  • Spam and fake account detection: AI identifies and removes fake accounts and harmful content.
  • Chatbots: AI-powered bots reply to customer queries and automate communication.

8.     Write any two hazardous tasks that can be done by Robotics but unable to complete by humans.

  1. Bomb disposal – Robots can safely deactivate bombs in dangerous conditions.
  2. Space exploration – Robots can explore environments like the Moon or Mars where humans cannot survive easily.

9. Write any two differences between Printers and Scanners.

Printers

Scanners

Converts digital data into paper output

Converts paper documents into digital data

It is an output device

It is an input device

10. Make a list of various parts of a photocopy machine.

  1. Scanner unit – Scans the document.
  2. Drum – Transfers toner to paper.
  3. Toner cartridge – Supplies the ink powder.
  4. Paper tray – Holds blank paper.
  5. Control panel – Used to operate the machine.

11. Write any two applications of virtual reality.

  1. Education – VR is used for virtual classrooms and lab simulations.
  2. Healthcare – Used in surgery training and therapy simulations.

 

 

Group ‘D’ – Long Answer Questions (4 marks each)

1. Give an example of search engines, blogging and cloud computing services; and present your argument about the statement that use of artificial intelligence in search engines has made it easier for searching work in two points.

  • Search engine example: Google
  • Blogging platform example: WordPress
  • Cloud computing example: Google Drive

Use of AI in search engines:

  • AI helps in providing relevant search results using user behavior and intent.
  • It enables voice and image search, making searching faster and easier.

2. What is the unit of measurement of printer speed? Write the common steps to use a printer.

  • Unit of printer speed: Pages Per Minute (PPM)

Steps to use a printer:

  1. Connect the printer to the computer or network.
  2. Install the printer driver/software.
  3. Load paper and check ink/toner levels.
  4. Open the document and select 'Print'.
  5. Choose the correct printer and click 'OK' to print.

3. Write any four uses of a router.

  1. Connects multiple devices to the internet.
  2. Enables data sharing between devices.
  3. Provides wireless access (Wi-Fi).
  4. Helps manage and secure network traffic.

4. Write the name of different parts of the website and their functions.

  1. Header – Contains site name/logo/navigation menu.
  2. Navigation bar – Allows users to move between pages.
  3. Body/Content – Displays the main information.
  4. Footer – Contains copyright, contact info, or site links.

5. Write the ways of creating a blog account.

  1. Go to a blogging platform (e.g., Blogger, WordPress).
  2. Sign up using your email ID.
  3. Choose a blog name and template.
  4. Customize your settings.
  5. Start creating and publishing blog posts.

6. Write any four disadvantages of social media.

  1. Increases chances of cyberbullying.
  2. Causes distraction and reduces productivity.
  3. Risk of misinformation and fake news.
  4. Affects mental health and sleep patterns.

7. Write any four common forms of cyber crime.

  1. Hacking
  2. Phishing
  3. Identity theft
  4. Cyberbullying

8. Write four salient features of cyber act in Nepal.

  1. Legal protection against cyber crimes.
  2. Penalties for unauthorized access to systems.
  3. Guidelines for electronic transactions.
  4. Provides legal recognition to digital documents.

9. How is virtual reality used in education sector and sports? Describe.

  • In education: VR allows immersive learning through virtual classrooms, virtual labs, and 3D models.
  • In sports: VR is used in athlete training, match simulations, and fan engagement through 360° replays.

10. Write any four advantages of cloud computing.

  1. Access data from anywhere, anytime.
  2. Saves cost on hardware and maintenance.
  3. Automatic software updates and backups.
  4. Scalable storage and computing power.

11. Study the given diagram and answer the following questions:

(a) Write the name of A and B.
→ A: Printer
→ B: Scanner

(b) Write one function of each A and B.
→ A (Printer): Prints digital documents on paper.
→ B (Scanner): Converts paper documents into digital form.

(c) Write the two types of B.
→ (i) Flatbed Scanner
→ (ii) Handheld Scanner

 

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