What is internet and all work

  👉 What is Internet :-     Internet is a network of almost all the computers in the world. We can browse through much more information than we could do in library and on single click that is because computer can store enormous amounts of information. We also have very fast and convenient access to information. Through E- mail, we can communication with a person sitting thousands of miles away in seconds. There is chat software that enables one to chat with another person on a real time basis. Video conferencing tools are becoming readily available to be common man. There are many websites through which we can read the latest or old news. There are matrimonial sites through which one can search for a suitable groom or bride.

   👉  ·     Medicine : we can diagnose diseases. We can learn the treatment. Software is used in magnetic resonance imaging to examine the internal organs of the human body. Software is used for performing surgery. Computers are used to store patient data.

👉  Word processing : word processing software automatically correct spelling and grammar mistakes. If the content of a document repeats you don’t have to type it each time. You can use the copy and paste features. You can printout documents and make several copies. It is easier to read a word-processed document than a handwritten one. You can add images to your document.

·     Telecommunications :  software is widely used here. Also all mobile phones have software embedded in them.

·     Digital video or audio composition:-  anybody owning a computer can now enter the field of media production. Audio or video composition and editing have become much easier by computers. It no longer costs lakhs of rupees of equipment to compose music or make a files. Graphics engineers can use computers to generate short or full- length films or even to create three- dimensional models. Special effects in science fiction and action movies are created using computers.

·     Banks:-   All financial transaction are done by computer software. They provide security, speed and convenience.

·     Mathematical calculations:   computer have computing speed of over a million calculation per second.  We can perform the biggest of mathematical calculations.

·     Reservations: one can book air tickets or railway and make hotel reservations online.

·     Defense : there is software embedded in almost every weapon. Software is used for controlling the flight and targeting in ballistic missiles. Software is used to control access to atomic bombs.

·     E- learning : instead of a book, it is easier to learn from an E-learning software.

·     Computer in business : shops and supermarkets use software, which calculation the bills. Taxes can be calculations and paid online. Accounting is done using computers. One can predict future trends of business using artificial intelligence software. Software is used in major stock markets. One can do trading online. There are fully automated factories running on software.

·     ATM Machines : the computer software authenticates the user and dispenses cash.

·     Robotics : robotics are controlled by software.

·     Washing machines\ Microsoft oven:   they operate using software.

·     Planning and scheduling:  software can be used to store contact information, generating plans, scheduling appointments and deadlines.

·     Sport: software is used for making umpiring decisions. There are simulation software using which a sportsperson can practices his skills. Computer are also used to identify flaws in technique .

·     Airport :  pilots train on software which simulates flying. Even tracing of airplanes is also done using computers.

·     Weather Analysis : supercomputers are used to analysis and predict weather.

💭classification of computers

    💭Encryption and cryptography