C. Define the following terms
E-learning : E-learning is learning utilizing electronic technologies and the internet to access educational curriculum outside of a traditional classroom
E-banking : E-banking or online banking is the performance of banking activities via the Internet. Banking activities include getting banking transaction details, viewing or printing of account statements, transferring funds, bill payments etc.
Sign In : Sign in (or log in) is the process by which an individual gains access to a computersystem or a website by identifying and authenticating themselves usually through a username and password.
E-reservation : E-reservation is the reservation or booking of railway, air or bus tickets electronically via the internet.
E-group : An e-group refers to a group of people having common interest(s) who come together to share information on the internet
Log In : Log in (or sign in) is the process by which an individual gains access to a computer system or a website by identifying and authenticating themselves usually through a username and password.
Web Crawling Software programs called spiders (also called worms or crawlers) scan the web periodically. This is called web crawling.
D. Write two examples of each
Search Engines : google.com, bing.com, ask.com
Web Browsers : Microsoft Internet explorer, Google Chrome, Mozilla Firefox
Websites that give free email accounts : gmail.com, hotmail.com, yahoomail.com
Websites that helps find email addresses of long lost friends : whowhere.lycos.com, 123people.com, people.yahoo.com
E. Distinguish between the following pairs
Downloading and Uploading a file : To receive or transfer data from a remote computer to your computer is called downloading of file. To transmit data from your local computer to another remote computer is called uploading of file
Carbon copy and Blind carbon copy : Carbon copy (abbreviated ‘Cc’) is a copy of a message sent to secondary recipients other than the primary recipient. In this case, every recipient will know to whom all the mail has been sent. The Blind Carbon Copy (abbreviated ‘Bcc’) is used for a secret recipient. The primary and the Cc addresses do not get to know that the message has been sent to anyone else. The Bcc recipient sees the main message and all intended recipients.
Newsgroup and Chat room : A newsgroup or a bulletin board is an electronic discussion board where people with similar interests come together to express their views, ask questions, tell others about their particular projects etc. Chat room is a website on the Internet where users can exchange messages in real time while on the internet
Email and Traditional mail : Write from Table 2.1 Page 17
F. Answer the following questions
1. What is the internet? Why is it considered a valuable tool?
Answer : The internet is the largest computer network in the world, connecting millions of computers to each other through cables, satellites or other means so that they can easily communicate and share files and other resources.
Internet is a valuable tool as it is a major medium of communication where people can create and utilise vast information available on it. One reason for the popularity and explosive growth of the internet is its low cost and high speed. The internet has a myriad of services running on it including email, chat, video conferencing, etc that have changed the way we learn, teach, buy things, communicate and so on.
2. Name the different parts of an email address
Answer : An email address consists of three parts. The first part is the username. The second part is the @ symbol. The third part is the hostname or the location of the email account on the internet.
3.How is an email a better alternative to the traditional mail system?
Answer : Write from table 2.1 page 17
4. Discuss any two benefits and two drawbacks of video conferencing
Answer : Two advantages are :
i) Reduction in travel, time and costs. The cost of airfare, restaurant meals, travel time can all be saved by conducting meetings using video conferencing facility.
ii) Meeting Participation. Geographic location does not restrict the attendees. All those who can benefit by meeting can participate in the meeting.
Three disadvantages are :
i) Requires fast and stable internet connection. Videoconferencing requires a fast internet connection otherwise bandwidth issue could cause the sound or video to be temporarily lost.
ii)Time Zone. Depending on where you are in the world it may be difficult to get everyone on the same page when scheduling a session.
iii)Expensive. A set of quality reliable video conferencing system can be expensive
5. What are blogs? List its three basic characteristics.
Answer : A blog or a web log is website where people post entries about their personal opinions, hobbies, etc in the form of an online journal.
Three basic characteristics of a blog are
i) A blog is usually a single page of entries
ii) A blog is usually written by one person knows as the blogger.
iii) A blog is usually public so that anyone can see.
6. Apart from an internet connection, what does a person need to have in order to receive email messages?
Answer : Apart from an internet connection, a person needs an email address in order to receive email messages.
7. What is the difference between replying to an email and forwarding it?
Answer : Replying to an email means responding to the original sender of the mail. In a reply, the subject field is preceded by “Re:”
Forwarding an email is to send an email that you received to another person or group. In a forwarded message the subject field is preceded by “Fwd:”
8. What are search engines? What is their importance
Answer : Search engine is a special information retrieval program designed to find information on the computer system especially on the internet.
The internet contains a huge amount of information. Search engines help us to quickly and easily find information without the need to wade through numerous irrelevant web pages.
9. How do search engines work?
Answer : A search engine works in the following order
The index search
Software programs called spiders scan the web periodically. This is known as web crawling. Each time a spider visits a webpage, it scans all the text there. It catalogs the URL and a list of words found in that URL in an ever increasing database. The list of words is referred to as indices. These indices are giant databases of information that are collected, stored and subsequently searched. When you query a search engine for information, the software for search engine’s search algorithm goes through the index. The search engine ranks the webpage in terms of popularity and webpage
10. What is a “hit” with reference to internet search?
Answer : A document returned in response to a query is called a hit.
11. What is chatting? Why is it so popular nowadays?
Answer : Chatting is the exchange of typed conversation between two or more people in either a public or private place. Chatting has gained so much popularity because it a real time two-way communication while most other forms of communication on the internet are one way.
12. E-mail and chatting both are two way communications. Then how do they differ? Compare the two giving suitable examples.
|To email someone you need their email address
|To chat with someone, you need to be in the same chat room with the person or using the same chat software.
|Email is more like sending ordinary snail mail where you write something and send it but expect a reply in anywhere from a few hours to a few days
|Chat is like having an actual conversation where one party says something and expects a reply in a couple of seconds
|Participants may not be in front of their computer at the same time
|All participants must be in front of their computer at the same time
|You usually know the person that you are emailing
|In a chatroom you may not know the persons that you are chatting with. They maybe strangers.
13. What are newsgroups? Why are they called electronic bulletin boards?
Answer : A newsgroup or a bulletin board is an electronic discussion group where people with similar interests can come together to express their views, ask questions, tell others about their projects, etc.
Newsgroups function similar to bulletin boards where one can read and share information with others. Hence they are known as electronic bulletin boards.
14. What is a “thread” in a Newsgroup?
Answer : The original message and any replies posted to that message in a newsgroup are called thread.
15. How can research scholars benefit benefit from newsgroups?
Answer : There are over 120,000 newsgroups available that cover innumerable topics such as politics, pets, computers, etc. Research scholars can gain a large amount of information on any topic through these newsgroups. They can also discuss and share their opinions and findings through newsgroups
16. What is telnet?
Answer : Telnet is a network protocol that allows users to connect to a remote computer.
17. List the various advantages and disadvantages of social networking.
Answer : Write from page 34 and 36.
18. How do we benefit from FTP servers?
Answer : FTP servers stores and shares files on the internet. They allow us to download files from their servers to our computer.
19. How is videoconferencing better than emails and chatting?
Answer : Videoconference is better than email and chatting as it enables us to both see and hear the other parties in the conference which is not possible with email or chat.
20.List three things that must be installed in a computer in order to participate in videoconferencing?
Answer : The three things that must be installed in a computer for videoconferencing are webcam, microphone and speakers.
21. What is shareware? Give example(s)
Answer : Shareware, a proprietary software us a try it before you buy it software. It can be downloaded and tried for sometime. Such softwares offer only limited abilities for a limited time (usually 30 days).
Examples of shareware are WinRAR, Registry Mechanic
22. Why do people write blogs?
Answer : People write blogs to share their ideas and opinions with people around the world.
23. State three advantages and three disadvantages of online shopping.
Answer : Three advantages are
i) Shopping on the internet is fast and easy
ii) The internet is open 24 hours a day, 365 days of a year.
iii) Purchases made over the internet are usually cheaper.
iv) You get your goods delivered right at your door step.
Three disadvantages are
i) Customers cannot feel or smell the things before buying.
ii)Except for purchases like software, you cannot get things as soon as you buy them. People get their purchases delivered within 2-3 days.
iii) Many people fear about the security of information and payment details, as payment details( like credit card details) might be misused while transmission over the internet.