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When information or messages are transmitted by using words in any language it is called verbal communication. Verbal communication can be either written or oral.

Correct option is (C) Credit card

Correct option is (D) E-mail

Digital cash:

• Digital cash is a system of purchasing cash credit is from the banks, storing the credit in your computer in a banking software and spend while purchasing electronically over the internet. In this sense digital cash is called e-currency and it exists only in the cyber space i.e. the digital world.
• Digital cash is not physical money as we see.
• The customer pays real physical money to the bank to buy digital cash. The bank then provides the buyer e-cash or say, digital cash in the form of credit. Banks provides the software which the buyer needs to install in his computer and use it for making online payment.

Correct option is (A) Internal

Four:

1. Local Area Network (LAN),
2. Campus Area Network (CAN),
3. Metropolitan Area Network (MAN),
4. Wide Area Network (WAN).

Communication deals with information and processing information.

• Let us see an example as how information can be exchange between two persons for the purpose of communication.
• The example shows how communication takes place between two persons. The example discussed is for a person who wishes to know about availability of a bus from Rajkot to Vadodara.

Website, computer with internet connectivity, and credit and debit cards.

When a group of computers are connected with a purpose of sharing information and resources it is called a computer network.

Media’s like computer, internet, e-mail account, credit and debit card, etc. are needed for e-commerce trading.

Major types of works that one can do on internet:
1. Contact other persons:

• Internet helps to communicate with any person in the world using facility of e-mail, social networking sites like Facebook, Twitter, etc.
• We can also talk with people across the world using internet chats, internet calls, etc.

2. Receiving information:
Using internet we can easily and quickly search and obtain information about any subject or topic. We can go to websites like Google, Yahoo, etc. and search for any information we wish for.

3. Connecting other computer systems:
Through internet we can get in touch with other computer networks and system. For example:

• We can access banking networks through banking websites,
• We can obtain railway ticket on the internet,
• The Gujarat State Education Board monitors the students through CCTV cameras connected via. internet to prevent mishaps.

An enterprise WAN is a wide area network of computers developed for very huge companies or corporate companies that connects users that could be anywhere in the world. Such a system is called ‘internet’. For example, Indian Railways connects all its computers across entire India through enterprise WAN or say intranet.

Internet is the largest WAN of the world.

1. Enterprise WAN and
2. Global WAN.

Wide Area Network (WAN) is a computer network that extends over a very large geographical distance compared to LAN, CAN or MAN. In this sense the computers under WAN are connected globally through telephone line, fiber optic cables, or satellite links.

Indian railways have set-up enterprise WAN or say internet.

1. Contacting other persons,
2. Receiving information, and
3. Connecting other computer systems.

Global WAN is a network that has no geographical bondages. It is spread in various countries and even continents. It is a collective network of networks of various organizations .. and is also called World Wide Web (WWW).

Correct option is (D) Campus

Correct option is (A) Business by customer

• The English word communication has been evolved from two Latin words ‘Communis’ which means ‘Common’ or ‘Sharing’ and ‘Communicare’ which means ‘make something common’. With time the meaning of the word communication evolved and it has now become quite comprehensive.
• Primitive man used to communicate through signs and expressions. Later, people created their own local languages for communication which were called ‘dialects’. As civilization progressed people developed languages and ways to communicate. When science and technology emerged it brought several ways to communicate which we all see today.

Communication process:

• Communication is a two-way process. It deals with sending information from a source to a target.
• In this process, the sender collects the information in proper form and then sends it via. a proper medium. On the other hand the receiver of information interprets the information he receives and replies accordingly.
• One can exchange information, concepts, emotions, feelings, instructions, etc. to communicate with other.

We can classify communication in two types. They are:
1. Verbal communication:

• When an information or a message is transmitted using words of any language it is called verbal communication.
• Verbal communication can be either written or oral. In verbal communication one needs to select the words and their proper use in the sentence so as to communicate correctly. While creating a message for communication one should maintain the principle of ‘Keep It Short and Sweet (KISS)’ so that the message can be effective.

2. Non-verbal communication:

• Communication done without using words is called non-verbal communication.
• Non-verbal communication is done with the help of signs, physical expression, posture, facial and eye expressions. It can also be done with the help of music, singing, dancing, sculptures, painting, drawings, maps, paying tribute by firing cannons, blowing sirens and whistles, etc.

Company may outsource activities like call centre, sales and marketing, research and development, canteen, production, legal activities, etc.

LAN is a computer network that interconnects computers within a limited are a such as within a room, within an office, a school, etc.

Correct option is (a) information

Correct option is (C) B2C

Correct option is (D) C2C

Correct option is (B) C2D

• Risk of wrong transactions,
• Risk of data getting stolen,
• Risk of intellectual wealth and privacy.

Virus may interrupt the screen, prevent the computer from working properly, damage data files and even whole computer system.

A businessman who manufactures or trades with traditional modes need to have establishment like a shop, office, etc. needs to do marketing by personally visiting / people and sell its products.

Moreover, it is extremely difficult for him to market across the state or at national and international level.

• The case is quite different in e-commerce. Any person having basic knowledge of computers can start selling his products through e-commerce to anyone in the country or even outside.
• Internet and online shopping websites give him the platform to market his product at every nook and corner of the world.
• On the other hand people largely use internet and e-commerce. They can access websites displaying products even from their mobile phones.
• All these have led even small manufacturers to produce and sell to anyone through e-commerce. Thus, e-commerce has given platform to several small manufacturers.

Before the buyer actually makes a purchase or a seller wishes to make a sell, both pass through following stages.

Stage 1: Pre-buying/selling stage:

• In this stage, the buyer comes across the product information displayed by the seller on the website.
• If he likes the product he moves to stage 2.

Stage 2: Conditions of buying/selling:
In this stage the buyer studies the conditions put by the seller. The conditions could be related to warranty/guarantee on the product, terms and conditions to be agreed by the buyer, etc.

Stage 3: Delivery of goods and payment:
This stage provides information about the ways in which a buyer can buy a product. For example, one can buy using credit/debit card, internet banking or even cash on delivery method. Except cash on delivery all other modes of payment are quick and easy.

By providing personal information such as e-mail, address, phone number only on reliable web-sites and avoid visiting doubtful websites.

By installing anti-virus software and surfing reliable websites.

Credit/debit card:

• In e-commerce the buyers and sellers hardly come in contact face to face. Hence, the seller always has a threat if the buyer will pay for his product whereas the buyer has a threat if the seller will send him goods once the payment is made.
• To solve this problem the buyer uses his credit card to make the payment. In case he feels cheated he can ask the bank within 7 days to stop the payment of the seller.
• Thus, cards play a very important role in e-commerce.

Seller should verify name, address, order history of the buyer and buyer should buy only from reliable websites.

Virus is a computer programme put on internet by hackers.

Artificial Satellites

It is important for a student to interact freely in the class so that he/she can learn better and engage in an active atmosphere.

•  A democratic atmosphere allows students to interact freely in the classroom. It gives students the freedom to interact well in the classroom.
•  With the adoption of the concept of democratization, every individual is to be respected. The modern teacher now acts as a friend and guide. The teacher in the classroom is supposed to arrange teaching activities in a way that provides opportunities for expression and action to individual pupils.
•  A free and democratic atmosphere should be provided in the classroom for the proper development of an individual. Such a discipline consists of an exalted source of responsibility, respect for authority, love of orderliness, eagerness to discharge one's duties, desire to be agreeable and helpful to others, and capacity to maintain a balance of mind in the face of most trying circumstances.
• It also insists on habits of self-discipline among pupils.

Thus, it is concluded that Students can freely interact in the class if there is students can freely interact in the class if there is a democratic atmosphere.

Dialect is a form of language which is limited to a specific region or people. It is generally used by localites of that region.

Any internet user becomes a seller as well . as buyer. The best example for C2C would be e-bay.com.

Correct option is (A) Digital cash

Mode of payment available in online shopping:
1. Cash on Delivery (COD):

Under Cash on Delivery (COD) mode the customer needs to pay for the product in cash after he receives it.

2. Cheque:

• Under cheque system the seller sends his person at customer’s place to collect the cheque for the order placed.
• The seller then deposits the cheque in his account. Once the cheque gets clear he sends the product to the buyer.

3. Transfer through net banking:

• The banks and seller together provide the facility to the customer for transferring the money into seller’s account using internet banking.
• In this system the seller’s account is linked with our bank’s website. Once the seller gets his money he sends the product.

4. Credit and debit cards:

• Credit and debit cards are also called plastic money. These cards are used quite widely in online shopping.
• While making payment through credit cards the banks provide credit to the buyer which he uses to shop online. The buyer pays to the seller by providing his card details. The bank pays to the seller on behalf of the buyer.
• The bank then adds this amount to the buyer’s account and sends him a statement. The buyer pays to the bank as per the time limit mentioned in the statement.
• If the buyer buys using debit card the amount gets debited from his bank account immediately. The buyer can buy only till the balance is available in his account.

5. Digital cash:

• Digital cash is a system of purchasing cash credit is from the banks, storing the credit in your computer in a banking software and spend while purchasing electronically over the internet. In this sense digital cash is called e-currency and it exists only in the cyber space i.e. the digital world.
• Digital cash is not physical money as we see.
• The customer pays real physical money to the bank to buy digital cash. The bank then provides the buyer e-cash or say, digital cash in the form of credit. Banks provides the software which the buyer needs to install in his computer and use it for making online payment.