DAV Class 7 Computer Chapter 8 Internet and Web Services Question Answer Notes
DAV Class 7 Computer Chapter 8 Internet and Web Services Question Answer Notes Solution by Expert Computer Teacher. DAV Class 7 Computer 8th Chapter Internet and Web Services for Students of DAV Schools.
Q1.) Fill in the blanks :-
1.) An Internet or Web service is a services offered by an electronic device to another electronic device, communicating with each other via the World Wide Web.
2.) Chat means talking or conversing in a light, easy and informal manner.
3.) E-mail is a system of receiving, sending and storing messages.
4.) Social Networking helps us to connect with others and build a social relation without being close geographically.
5.) E-group is a feature in many social network services where people with similar interest share information with each other.
Q2.) State whether he following statements are True or False :-
1.) A newsgroup is a platform where users can discuss and share the views about a particular subject. True
2.) E-commerce (electronic commerce) is the buying and selling of goods and services or transmitting of funds or data over an electronic network i.e is internet. True
3.) E-Reservation system is a manual reservation system. False
4.) Facebook, Twitter, Google+ etc are some examples of popular social networking sites. True
5.) Video conferencing allows the users in different locations to hold face-to-face meetings without having to a single location. True
Q3.) Answer the following questions in one or two sentences :-
1.) Name the services which are provided by the web ?
Ans :- The services which are provided to the users by the web are Chat, E-mail, Video conferencing, Social Networking, E-Groups, E-Learning, E-Commerce, E-Shopping, EReservation, E-Banking etc.
2.) What are the hardware devices required for Video Conferencing ?
Ans :- The hardware devices which are required for Video Conferencing are Video camera or web camera for Video Input, Computer monitor, television or projector for Video output, microphones, CD/DVD player for Audio input, loudspeakers associated to display devices or telephone for Audio output, LAN or Internet as Data transfer, Computer with the Video Conferencing software.
3) What do you mean by Newsgroup?
Ans :- A newsgroup is a place where the user can freely discuss and share his views or ideas related to a particular subject/topic. Newsgroup includes the recent/latest information in relation to the particular subject.
4.) What is E-groups?
Ans :- E-groups is one type of feature on the social networking sites where the people with same interests share information with each other. The information can be in the form od text, pictures, videos, views through such type of groups.
Q4.) Answer the following questions :-
1.) What do you understand by Chat? State its advantages?
Ans :-
Chat means to talk or converse in a very lightly, easily and informal manner. In Electronic or Digital term, Chat refers to the communication done between two or more people on the Internet. Such type of communication takes place in the form of typed messages or by voice messages. Here, in this electronic chat there is real-time transferring of messages between the sender and the receiver. In the chat the messages are sent and received in a quickly manner. For ex :- WhatsApp is the real time chatting app, which is mostly used in India as if the messages sent and received on the WhatsApp are real time which means communication can be done with anyone across the globe.
The advantages of Chatting is as followed :-
a.) Free of Cost – The Chatting that is done online i.e is in real-time is totally free of cost. The sender and the receiver does not need to pay any extra charge in respect of sending and receiving messages anywhere in the world to anyone. The user only has to pay the charge of internet.
b.) Always there –Chatting is a service which can be active 24/7. There’s no time restriction for anyone to be online. We can be online anytime as per our wish, when we are doing our work or when we are free. We can be in contact with our friends, relatives etc anytime and can share our views and opinions with each other.
c.) Ease of accessibility – Everyone can easily use the facility of chatting. We can be in contact with our families, friends, etc anywhere in the world.
d.) Increases knowledge – Chatting does not only helps us in making friends online but we can come to know the tradition or culture of the person from the other country.
e.) Emoticons – Emoticons are the symbols which are used to express our emotions and feelings.
2.) Write in brief about E-mail? Write down its advantages
Ans :- E-mail stands for Electronic Mail which means sending and receiving of messages to anyone, anywhere in the world with the help of internet. E-mail is not only for the purpose of communication, sending or receiving the messages but you can transfer any file/document, video or audio to anyone around the world.
There are some advantages and disadvantages of using an E-mail which are as follows:-
i) Cost :- Using of E-mail facility on internet is totally free but you may have to pay for internet charge. Sending/receiving of messages is absolutely free whether its at domestic/national/ or at international level. The charge for the long message is equal to charge for short messages. The mails which are sent/received over internet is at free of cost. There are some email service providers like G-mail, Hotmail, Yahoo etc. who provide service at free of cost to its users. You need to have Computer with internet connection. If you attach any files to the mail, then to there won’t be any charge.
ii) Speed :- As compared to the speed of manual postal service, the email facility has much speed in transferring of messages. There no time limit for the email facility to sent/receive any message to/from the destination/place. This facility does not require much time, messages can be delivered/ received in one day/minute too. The delivery of the messages which are sent and received on e-mail are very fast somewhat in seconds.
iii) Convenience :- Any person can type the message in his computer and send it as per his convenience/requirement. E-mail is a paperless, postal less etc, which saves the users money.
iv) Global:- The messages which are sent and received through email are sent/received across the world wide which means it does not have geographic limitations.
v) Personal:- Like mobile phones, the user can send/receive informal mails through emails.
vi) More productive :- Email is grouped with the services of calendars, address book, and templates which are mostly useful in quick messaging .
vii) Opportunity to think/ editing the contents:- Before sending the mail, email provides you the
viii) Gateway to many web services :- With the help of email you can link your email id and sign up to various social sites like Facebook, Instagram etc. or you may utilise some services which are available on internet. You can even play online games by signing up with the email id.
3.) What is Video Conferencing? Explain its advantages
Ans :- We usually see some shows on television where the anchor of the program conducts the discussions on different topics with several participants who are sitting at different locations i.e is in country or cities. The participants and discussions can see other and talk with each other in live mode. The entire discussion can be viewed by the viewers on the television. Such type of discussion on specific topic in the programme is been done with the help of video conferencing. In the video conferencing, the participants can participate In the meeting from various locations without moving to a single specific location. The video conferencing is been done with the help of internet where the users can communicate both in audio and video data form. The hardware devices which are required for Video Conferencing are Video camera or web camera for Video Input, Computer monitor, television or projector for Video output, microphones, CD/DVD player for Audio input, loudspeakers associated to display devices or telephone for Audio output, LAN or Internet as Data transfer, Computer with the Video Conferencing software.
The advantages of the Video conferencing are as follows :-
- No time restriction :- The both the users can conduct the video conferencing anytime as per their choice. There is time restriction. If the user or participant wishes to conduct video conferencing in the day or night, they can do it.
- Easy communication :- It is the very easiest method of conducting the meeting or interviews where the participants or interviewer and intervene can conduct meetings or interviews face-to-face which means both the persons manually sitting in front of each other and talking with each other.
- Reduces Travel cost :- For conducting of meeting manually, the travelling from one place to another place Is been required. To avoid this, Video conferencing is a must.
- Useful for medications :- Video conferencing is mostly helpful in providing help or for seeking help from experts in the terms of medical field. It is not only useful in saving lifes of the people but many people can get medication help online without travelling to the long distance to seek the health care. Video conferencing is also used in operation theatre while operating or doing surgery with the person.
- Facilitates long distance programs :- Any student, anywhere can learn anything/course of his choice online with the help of video conferencing. Professional or students can be able to access the lectures, study material, group discussions and even one-to-one talk with the instructor.
4.) What do mean by Social Networking? State its advantages.
Ans :- We, the human beings need the friends, relatives or companions etc for sharing our joys and sorrows. We love to live in a company with other persons in a society. With the help of social networking sites, it is much helpful for us to share our activities with our friends, relatives or the family members. Social networking sites is a place where we get connects with the other people and build up the social relations with them without being closer to them as location wise. Facebook, Twitter, Instagram, WhatsApp etc are some of the examples of the social networking sites. Such type of sites are usually made use for being in contact with each other, for chatting, playing games and for sharing our emotions or feelings etc. If we want to post any information, then we can post it. We can create our own profile account on the social networking sites along with the persons basic information and profile photo.
There are some advantages of social networking sites which are follows :-
- To stay in Touch :- Social Networking sites is a place, where we can connect with many people (known and unknown) and be friends with them. We can also communicate with them.
- Sharing Information :- We can share any information with our relatives, family members or friends.
- Raising Awareness :- It helps us in making aware about various issues like social and political issues.
- Finding people with similar interests :- We can also be in contact with the people having the same interests. We can even share our knowledge and experiences with them to make our friendship or relation more healthy.
5.) What is E-commerce? Explain its advantages.
Ans :- The meaning of E- commerce is electronic commerce. The E-commerce means the trade carried out between two parties that is buyer and the seller. This trade is carried out by making use of the internet. In E-commerce, the trade is carried out online (seller sell the goods online whereas buyer purchases it online) by making online transaction. In this type of trade there is no need of physical visiting the shop and purchasing the things nor the seller needs physically go anywhere for selling goods. The payment can be made against the trade with the help of internet banking. The facility of home delivery service is also been provided to its customers.
The benefits of the e-commerce are as followed :-
i.) As e-commerce is a business carried online, so the time in and exchange of information related to business is reduced.
ii.) The information related to product and their services are mostly made available on the website. So it makes easier for the customer residing in the other countries/world to get information about product and services online, without physically visiting them.
Worldwide markets are need made available to the worldwide traders.
iii.) E-commerce has a license to conduct online trading of goods and services to the customers. The activities are performed as per government guidelines and government too keeps a watch on such type of sites.
iv.) Before selecting/buying any goods and services, the buyer can compare about it from different wastes in relation to its price, quality etc. many information regarding the selected products is been made available.
v.) The chain of the mediator/middle person from buyer and seller/producer is totally removed, which reduces the marketing cost. The benefits which are provided by the manufacturers are on less rate at the time of buying goods and services.
Vi.) Like traditional market, e-commerce does not need huge and costly showrooms, no need of middle mens/agents, sales persons etc. chance to rethink twice upon the content or edit the content or check the spelling /grammar.
vii) Documentation proof of communication :- The messages which are sent or received over email are been stored in computer or prints can also be taken for future use.
viii) Reaching to many people:- Email provides the facility of sending the same message to many people or to a single person.
6.) What is E-banking? Write down its advantages?
Ans :- E- banking means conducting transactions of bank account through a website which is specifically built for the purpose. To get the online transaction facility for a bank account, we have to fill up online banking form to the bank. Before starting to use the account, we need to get the username and password etc. once the system/ facility is enabled.
Benefits of E- Banking
- You can get information about the balance of your bank account online.
- Cross check the bank transactions of the bank account and downloading of bank statement.
- You can open a new FD or other account.
- Mobile recharge, Bill payments like electricity, water, dish tv, etc.
- Ordering the cheque book.
- Online purchasing/online shopping
- Filing a complaint or availing any service from the bank.
- Viewing your bank account and making changes to it.
- Make stock investments and other investments in shares, stocks etc.
- Bus, train, other tickets booking.
- Making other tax payments online
- Filling of online form for demand draft (DD)
- Viewing loan details and other accounts
- Buying life insurance, auto insurance and other banking services or other products.
- You can send money to other persons anywhere, anytime to his account and receive money from other bank account in minutes.
This is my first time using this site. It made a very poor impression on me, there were so many meaningless sentences and words.