Solution of the Chapter 7: Internet Services and Safety

 Chapter 7: Internet Services and Safety

A. Tick [ ] the correct answer:

  1. The largest network that links millions of computer all over the world is _______.
    • (c) Internet
  2. A/An ________ modem is a small box that uses a cable to connect to the computer.
    • (b) External
  3. A single person who maintains many blogs is known as a ___________.
    • (a) Blogger
  4. A program that helps in finding websites, web pages and internet files is _______.
    • (c) Search Engine
  5. A popular search engine that uses to be MSN until it was updates in 2009 is ____.
    • (a) Bing

B. Write 'T' for True and 'F' for False statements.

  1. Broadband provides a slow and inexpensive way to connect to the internet.
    • False
  2. A wireless modem is also known as dongle.
    • True
  3. Facebook and Instagram are popular social networking sites.
    • True
  4. YouTube is one of the most popular sites files transfer on internet.
    • False (Correct answer is Googlee Drive or Mega Upload)
  5. A hit has a link that when clicked displays an associated website or web page.
    • True
  6. We should apply two factor authentication to all online accounts.
    • True

C. Fill in the blanks.

  1. For _______ connection, we use a computer, modem and a regular telephone line.
    • Dial Up Connection
  2. ______ is the example of video conferencing apps.
    • Zoom or Skype.
  3. A _______ reads pages on websites in order to create a list or index of hits.
    • Spider (It is not the insect, it s a digital technique of search engine system)
  4. _______ is a financial business transaction that occurs over the internet.
    • E-Banking
  5. _______ search engine uses crawler based technology.
    • Ask Jeeves
  6. _______ is the popular photo sharing site.
    • Flickr.

D. Differentiate between the following.

  1. Dial Up Connection and Broadband Connection
  • Dial Up Connection:
    • A Dial Up Connection is a slow speed internet connection. With dial-up access, you use a computer, a dial up modem, and a regular telephone line to dial into an ISP. Some of the leading ISPs include VSNL, MTNL, BSNL etc.
  • Broadband Connection:
    • A broadband connection is a high speed technology, with broadband service, your computer is usually connected to the internet the entire time it is powered on. Broadband Internet Service can be either Wired or Wireless.

E. Answer in 1-2 sentences.

  1. What do you mean by hotspot?
    • A hotspot is a wireless network that provides internet connection to mobile computers and devices. Most of the public location, such as shopping malls, coffee shops, restaurants, airports and hotels have WIFI hotspots.
  2. What is blogging?
    • Blogging is an exciting and dynamic medium by which you can publish your ideas, opinions and stories online. A blog is a website that consists of a frequently updated collection of information and entries. Some of the famous blog hosting services are Blogger, TypePad, Wix etc.
  3. What is the use of video conferencing?
    • A video conference is a live meeting of two or more geographically separated people who use a network or the internet to transmit audio and video data. ZOOM and SKYPE are examples of video conferencing apps.
  4. What are various search techniques?
    • If you enter a phrase with spaces between the words in the search text, most search engines display results(hits) that include all the words. The following tips identify techniques that you can use to improve your searches.
      • List all  possible spellings, for example - e-mail, email.
      • If the search is not satisfactory with one search engine, try another.

F. Answer in brief.

  1. What do you understand by Wireless Internet Access?
    • The Term wireless is normally used to refer to any type of electrical or electronic operation which is accomplished without the use of a hard wired connection. WiFi is commonly used in wireless network in computer systems.
  2. Write any two techniques to protect yourself from identity theft.
    • You should apply two factor authentication to all of your important online accounts. It is an extra layer of protection used to ensure the security of online accounts beyond just username and password.
    • Clear or disable web cookies in your browsers.

G. Application based questions. 

  1. Your friend urgently wants to send an e-mail using a laptop. As he does not have an internet connection, he asks for help. You have a smartphone with internet connection. How will you help him?
    • I shall help him with sharing my internet connection through WIFI Hotspot method.
  2. You want to share your ideas, experience or hobbies over to the internet, but also at the same time you want information should be available for all users, which technique will you take?
    • I shall take the blogging approach to share my ideas, experience and hobbies over online. This way information will be available for all users.

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