COMPUTER APPLICATIONS 2 Marks Quetions

E-shopping or Online Shopping is the process of buying goods and services from merchants who sell their products on Internet.
Advantages of E-Shopping
1.Finding a product online is much more easier than looking for it in the local store.
2.Now-a-days online shopping is very reliable.
3.Most of the stores provide money back guarantee.
4.You have infinite options to choose a product.

E-mail (Electronic mail) is a popular Internet service, which is used for sending or receiving messages electronically over a computer network. The advantages are as follows:
E-mail is a cost effective medium of communication.
Ease of use.

Some benefits of E-learning are as follows:
It is self paced.
It can work on any location and anytime.
Online computer based courses are available.
Reduces travel time and travel cost.

Some benefits of video conferencing are as follows:
It increases productivity
It saves money.
It saves time.
Many people can share videos at the same time.

There are no geographical barriers and the services that can be offered at a minimum cost.
Through Internet banking, you can check your transactions at any time and as many times as you want to.
If the fund transfer has to be made outstation, where the bank does not have a branch, the bank would demand outstation charges, whereas with the help of online banking, it will be absolutely free for you.
Internet banking deploys the Internet as a medium for financial transaction.
e.g. a customer login to his or her bank account by accessing the bank Website.

 Differences between E-mail and video conferencing are as follows:

E-mail	Video Conferencing
E-mail refers to sending and receiving messages electronically.	Video conferencing is similar to face-to-face communication between two or more people.
It is not necessary for sender and recipient to be online at the same time.	It is necessary for sender and receiver to be online at the same time.

Unlike E-mail messages, which are visible only to the sender and specified recipients, newsgroup messages can be read by anyone, who view the group that they are posted in.

Facebook, WhitePages, SuperPages, Bing and Yahoo search.

E-learning can be CD-ROM based, network based, Intranet or Internet based.

Chatting is the textual or multimedia conversation oyer the Internet. It is a real-time communicatiofl between two users via computer. It is widely interactive text based communication process that takes places over the Internet. Yes, it is necessary to be online, while chatting.

When we need a file which is located at the server end, we have to download the file that means transmission of file from server to user’s computer. Similarly, if we want to share something like file, picture etc., we have to upload that file or picture on the Internet that means transmission of file from user computer to server.

FTP works on the principle of a client/server model. A FTP client program enables the user to interact with a FTP server program in order to access information and services on the server computer. To access FTP server program, users must be able to connect to the Internet or interact with FTP client program.

Search engine is a Website that provides the required data on specific content. It also allows users to enter keywords related to particular topics and retrieve information. The minus sign-in front of a word or phrase means that it includes first term but not the second term.

Unlike E-mail messages, which are visible only to the sender and specified recipients, newsgroup messages can be read by anyone, who view the group that they are posted in.

Facebook, WhitePages, SuperPages, Bing and Yahoo search.

E-learning can be CD-ROM based, network based, Intranet or Internet based.

www.gmail.com and www.rediffmail.com

FTP (File Transfer Protocol) facilitates the transfer of files from one point to another while Telnet is a connection protocol that allows a user to connect to a remote server.

To transfer a file from your computer to a server is called uploading a file on Internet. FTP is the software which is used for it.

www.google.com and www.altavista.com