Class 4

Introduction to Internet

Fill in the blanks:

  1. ARPANET was the first computer network.
  2. A dongle is a small USB device that allows you to access the Internet through a mobile broadband connection.
  3. A web browser is a program used to display web pages.
  4. The individual pages of a website are called web pages.
  5. The link connecting one web page to another is known as hyperlink.

State whether True or False

  1. We can chat with friends, families, etc., on the Internet. TRUE
  2. A web page can consist of only text and pictures. FALSE
  3. Every file on the Internet has a unique address. TRUE
  4. A website may not have a home page. FALSE
  5. While chatting, you should not use your real name. FALSE

Choose the correct option

  1. It is referred to as a USB modem. a) Dongle b) Modem c) Internet connection d) None of these.
  2. The ARPANET was set up in the year? a) 1959 b) 1969 c) 1979 d) None of these
  3. When mouse pointer is moved over some hyperlink text, it takes the shape of? a) Hand b) Arrow c) Rectangle d) Circle
  4. A web address is the address or location of a website on the? a) Computer b) Internet c) School record d) None of these
  5. Moving from one website to another is called? a) Net surfing b) Searching c) Locating d) None of these

Answer the following

Q1. What does Internet stand for? What is it popularly called as?
The Internet stands for Interconnected Network. It is popularly called as the Net.

Q2. What is the difference between a website and a webpage?
A website is a collection of one or more related web pages, linked together through a system of hyperlinks.
The individual pages that collectively form the World Wide Web are known as web pages.

Q3. Mention two advantages of e-learning.
a) It allows learning at our own pace.
b) It provides access to learning material at any time and from any place.

Q4. What precautions should be taken while chatting?
a) We should use a chat nickname and not our real name.
b) Use decent language while talking.
c) Should not reveal any personal information.
d) SHould not agree to meet someone we have talked to in a chat room.

Q5. What do you understand by e-sites? What is the use of such sites?
E-sites, also called electronic sites, are the online versions of traditional agencies, shops, offices, etc. These sites allow us to conduct many transactions from our homes, for which earlier we would have traveled to a shop or office.

Extra Questions

Q1. Define Internet.
The Internet is a huge network of computers around the world.

Q2. What is a dongle? Name four ISPs.
A dongle is a small USB device that allows us to access the Internet through a mobile broadband connection.
Four ISPs are:
c) Airtel
d) Vodafone

Q3. What is a search engine? Name two search engines.
Search Engine is a program that searches through a collection of web pages for information on a particular topic or theme.
Two search engines:
a) Google
b) Yahoo! Search

Q4. What was the main aim of designing ARPANET?
The aim of designing ARPANET was to share information on research and development in the field of science and technology.

Q5. Name the two types of Internet connections.
a) Dial-up
b) Broadband

Q6. Name the three types of modems.
a) Cable modem
b) Telephone modem
c) Wireless modem

Q7. Name any four ISPs that offer USB Internet device.
a) Tata Photon
b) Reliance Communication
c) Airtel
d) Vodafone

Q8. Name any four web browsers.
a) Google Chrome
b) Mozilla Firefox
c) Apple Safari
d) Opera

Q9. Name the two types of Internet addressing.
a) Number addressing
b) Letter addressing

  1. A network refers to a group of computers connected together.
  2. Netizens means the citizens of the Net.
  3. A modem is a hardware device that allows a computer to connect and communicate with another computers.
  4. Modems can be either internal or external.
  5. Smartphones are the mobile phones that can access the Internet.
  6. All web address start with either http or https.
  7. The home page is the opening page or the main page of a website.
  8. An email is an electronic message sent from one computer to another.
  9. Facebook Messenger is an instant messaging service that lets you chat with your Facebook friends.
  1. ARPANET – Advanced Research Projects Agency Network
  2. BSNL – Bharat Sanchar Nigam Limited
  3. E-Commerce – Electronic Commerce
  4. ISP – Internet Service Provider
  5. Modem – Modulator Demodulator
  6. MTNL – Mahanagar Telephone Nigam Limited
  7. MTS – Mobile TeleSystems
  8. WWW – World Wide Web

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