Disadvantages of Internet.

Disadvantages of Internet.

Viruses: Today, Internet is the most popular source of spreading viruses. Most of the viruses transfer from one computer to another through e-mail or when information is downloaded on the Internet. These viruses create different problems in your computer. For example, they can affect the performance of your computer and damage valuable data and software stored in your computer.

Security Problems: The valuable websites can be damaged by hackers and your valuable data may be deleted. Similarly, confidential data may be accessed by unauthorized persons.

Immorality: Some websites contains immoral materials in the form of text, pictures or movies etc. These websites damage the character of new generation.

Filtration of Information: When a keyword is given to a search engine to search information of a specific topic, a large number of related links a displayed. In this case, it becomes difficult to filter out the required information.

Accuracy of Information: A lot of information about a particular topic is stored on the websites. Some information may be incorrect or not authentic. So, it becomes difficult to select the correct information. Sometimes you may be confused.

Wastage of times: A lot of time is wasted to collect the information on the Internet. Some people waste a lot of time in chatting or to play games. At home and offices, most of the people use Internet without any positive purpose.

English language problems: Most of the information on the Internet is available in English language. So, some people cannot avail the facility of Internet.

 What is RAM?

RAM stands for Random Access Memory. Actually the main memory or primary storage is referred to as RAM. It consists of memory chips that can be read from and written to by the processor.

When the computer is powered on, certain operating system files load into RAM from the storage device such as a hard disk. Then operating system remains in RAM as long as the computer has continuous power.

What is ROM?    

ROM stands for Read Only Memory. The ROM contains instructions that are permanently stored by the manufacturers when they manufacture the chips. In fact recording data and instructions permanently into this kind of memory is called “burning in the data”.

The instructions stored in ROM can only be read but cannot be modified. This is the reason why it is called Read Only Memory.

What is E Commerce?

E-Commerce stands for electronic commerce. E-Commerce means to carryout financial and business dealings using Internet. People can buy and sell good on Internet. Even payments can be made using Credit Card numbers.

Types of E-Commerce.

Business-to-consumer: Business-to-consumer or B2C e-commerce consists of the sale of goods and services to the general public. In this type, customers or consumer can visit the website and purchase goods online. It is done by an electronic storefront that contains product details, graphics and shopping cart. Shopping cart is used to collect the purchases. Online shopping is normally performed using a secure Internet connection.

Consumer-to- consumer: Consumer-to-consumer or C2C e-commerce takes place between two consumers. For example, one consumer sells an item through online auction. The other consumer purchases the item by offering highest bid. Many websites provide the facility of online auction where C2C e-commerce occurs. 

Business-to-business: Business-to-business or B2B e- commerce takes place between two businesses. One business provides services to other business. Online advertisement, recruiting, sales, marketing, technical support and training are some examples of B2B e-commerce. 

Roles of E-Commerce.

Online Education: Online education is becoming very popular. Different types of interactive tutorials are available on the Internet. The students can browse these online books and tutorials or can download them after purchasing. Some websites provide online lectures for the students.

Electronic Banking: Many banks are now introducing electronic banking. Using your computer, you can connect to the bank’s computer system via the Internet and control your daily financial dealing from home. It reduces the staff and building of banks. Many customers pay their bills from their bank accounts using this facility.

Electronic Shopping: It has become very easy for the people to shop from home using Internet. Different manufacturers present their products on the Internet. People can browse the website, place an order and even make a payment using credit card. It has made shopping very easy

Job Search: Internet is used to search different types of jobs all over the world. Many websites are developed that provide information to the people about job vacancies. Job seekers can also apply for the job using Internet.

Conducting Auctions: Many websites provide the facility of auction. People participate in the auction to purchase a product. They can also pay the price using their credit cards etc. A popular website that provides this facility is eBay.

Collaboration with Partners: Businessmen can collaborate with their partners using the Internet. They can discuss ideas, exchange views and make strategies in collaboration with all of their business partners in the world.

Marketing and Advertising: E-commerce is playing an important part to market and advertise products all over the world. The use of popular websites can be an effective way of introducing a product to the customers.

Providing Customer Services: Businessmen can interact with their customers using the Internet. They can discuss different issues about their products. They can also deal with their complaints and provide different services to them.

Online Travel Reservations: Online travel reservation is a popular use of ecommerce. People can reserve seats in airline flights, hotels or car using the Internet.

Online Trading: Online trading is a process of conducting business using the Internet. The stockbrokers can do all trading activities electronically. They can submit and receive bids using computers. They can also interconnect with computer display screens where brokers match the buyers with sellers. It reduces the cost as no paper or special building is required to conduct these activities.

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