10th Class

    Introducing Database   Data is the row fact. It can be character, number or symbols which are processed by a computer. In terms of computer science you can say data may be characters, "acts or number, which can be processed by a computer. A group of meaningful data is called information. Information may be broken down further. In computerize system; you can store the data in spreadsheets or in database. An organized collection of data, which can be updated, accessed and managed in a systematic order is called database.   

    E-mail     E-mail (Electronic mail) is a digital correspondence that provides the facility to send and receive text messages, picture files and any other file to and from anyone with an e-mail address. E- mail is fast, easy and inexpensive. Email is a formal conversation. It should be point to point and well written. In current market are many service providers who provides free e-mail services on the Internet, such as www.gmail.com, www.yahoo.com, www.hotmail.com and www.msn.com. The first part of the address is a user name. The second part or domain name defines the Internet provider where the mail is sent. The two parts are separated by an @ sign (pronounced as "at the rate of"). The domain name is followed by an extension that indicates the type of organization to which the network belongs.     more...

   Web Server     A Web server runs a computer application, which is responsible for accepting HTTP requests from clients or Web browser. It also processes the requests send by the client and then sends the HTTP response back to the client.      Hypertext Transfer Protocol (HTTP) HTTP is a protocol that allows transfers the information on the World Wide Web between clients and servers. The main purpose of the HTTP is publishing and retrieving of the Web pages. The latest version of HTTP is HTTP/1.1.           Hyperlink Hyperlink allows linking another place in the same document or another document. It also allows to link with World Wide Web. A user just needs to click on hyperlink to go for relevant destination.     more...

  Web Page     A standard structure for HTML pages has been recommended by W3C (World Wide Web). Basically HTML page coding always starts with thetag. The structure for an HTML page is always performing in between the opening and closing oftags. HTML pages are having different sections with differenttags. Thesetags are the following:            You can surf or browse the Web in several ways:   

• Any of the Web pages can be opened by you by typing its address in the address box of your Web browsing software.
• While viewing a Web page, you can browse or surf to the related sites by clicking the links on the page. Toolbar buttons can also be used by you to move between Web pages, refresh Web page's contents or search more...

   World Wide Web (WWW)     For accessing any information on the Internet the system WWW (World Wide Web) is used. It's one of the graphical parts of the internet. With the help of hyperlinks the Web links one Internet site to another. No need to expect every resource on the Internet to be accessible through the Web. To access this, a document must be coded with links that can be read by Web servers. Newsgroups and E-mails are not part of Web. The key piece of the Internet Software needed to access and navigate the Web is a Web browser. Interface enables you to ask for and view Web pages. Browsers vary in the number of features and the quality they offer. The two most popular browsers are the Netscape Navigator and Internet Explorer.       more...

    Introduction to the Internet     The research about the Internet began in 1960s. In mid 1990s the Internet became commercialized. The Internet is a global network of computers. It uses TCP/IP standard suite to serve billions of users worldwide. It is also called network of networks that contains number of public, private, academic, banking and government networks. Internet has brought the new revolution in communication media. It enhances old technology, such as telephone and television in VolP (Voice over Internet Protocol) and 1PTV. Print media has been reshaped into e-newspaper, blogging and web feed.       The Internet is controlled by two groups that influence it. Two volunteer groups?a council called the 1AB (Internet Architecture Board) and a technical advisory team called the IETF (Internet Engineering Task Force)?work together to enforce minor rules to keep more...

   Binary Addition     The addition rules for binary bits are: 0 + 0 = 0 0 + 1 = 1 1 + 0 = 1                                                                                . 1 + 1 = 10 1 + 1 + 1 = 11        One's Complement One's component is a system that is used to represent negative numbers. To take 1's complement of binary digit, replace all Is with Os and all Os with Is. For Example, 1's complement of 111111 is 000000.       Two's Complement While taking two's complement of a binary number you need to first obtain the first complement of that number then add 1 in the 1's complement. The following example shows how to find 2's complement of 111110. 1's complement of 111110 is 000001. Adding 1 in the 1's complement: 000001 +1 more...

        Arrange the four parts P, Q, R and S between A and B in order to make a sensible story or a sequence of a story.             A:    There was once a little boy who had a bad temper. His Father gave him a bag of nails and told him that every time he lost his temper, he must hammer a nail into the back of the fence. P:    The first day the boy had driven 37 nails into the fence. Over the next few weeks, as he learned to control his anger, the number of nails hammered daily gradually dwindled down. Q:   The father took his son by the hand and led him to the fence. He said, "You have done well, my son, but look at more...

       Judging Logic of Story   Introduction: It needs proper concentration and attentiveness to find out any logic of a proposition. Logic is based on judgment and common sense. You need to be careful before you infer a conclusion.       Arrange the four parts P, Q, R and S between A and B in order to make a sensible story or a sequence of a story.       Select the correct option from the given choices:   A:    Shri Krishna Paramaatma, who blessed Bhaarateeyas with Geeta- Amrutam, is just learning to utter small words. The One, who occupied Bhoomi-Aakaashams with two feet, as Vaamana-Murti, is just learning to walk. Day-by-day, to the aanandam of Nanda and Yashoda, Baala Krishna was growing-up. P:     While Shri Krishna was playing, the dust on more...

        The proper sequence should be: \[{{\text{S}}_{\text{1}}}\]: For some time in his youth Abraham Lincoln was manager for a shop. P: Then a chance Customer would come. Q: Young Lincoln's way of keeping shop was entirely unlike anyone else's. R: Lincoln would jump up and attend to his needs and then revert to his reading. S: He used to lay full length on the counter of the shop eagerly reading a book. \[{{\text{S}}_{\text{2}}}\]: Never before had Lincoln had so much time for reading as had then. (a) S R Q P                                                           (b) Q S P R                           (c) S Q R P                                                            (d) Q P S R (e) None of these         The proper sequence should be: \[{{\text{S}}_{\text{1}}}\]: All the land was covered by the ocean. more...