Tech Agama

Well, you  reading this article shows you are using web browser, presenting this article content in a rich text/graphical format on your screen. A web browser  is an application software that  provides access to the World Wide Web. It fetches the web pages from the server along with the necessary files like, images, flashes, videos etc, interprets them and then displays it on the screen. On  simply typing the URL (Uniform Resource Locator) of a webpage in the address bar , the browser will bring the web page on your screen.Initially, user inputs a Uniform Resource Locator (URL), for example http://www.fb.com/, into the browser. The prefix of the URL, the Uniform Resource Identifier or URI, determines how the URL will be interpreted. The most commonly used kind of URI starts with http: and identifies a resource to be retrieved over the Hypertext Transfer Protocol (HTTP).Other prefixes are https: for HTTPS, ftp: for the File Transfer Protocol, and file: for local file...

Cloud Computing - delivering hosted services over the Internet. Cloud computing is getting IT services, such as email, customer relationship management or web conferencing, over the internet.Instead of buying hardware and software up front, you pay a monthly charge based on the number of users.In simple words,when you  type a query into Google, the computer does nothing with regards to answer, it's just a messenger. The words you type are sent over the Net to one of Google's numerous clustered PCs, which find  your results and send them promptly back to you. The real work in finding your answers might be done by a computer sitting in California, Dublin, Tokyo, or Beijing!!Preparing documents over the Net is a newer example of cloud computing. Simply log on to a web-based service such as Google Documents and you can create a document, spreadsheet or presentation. Instead of typing your words into a program like Microsoft Word or OpenOffice, running on your computer, you're...

Google's search engine is a powerful tool,making it practically possible to find the information you need when you browse the Web. Google uses automated programs called spiders or crawlers, which finds and retrieves pages on the web and hands them off to the Google indexer. Google has a large index of keywords This index is sorted alphabetically by search term, with each index entry storing a list of documents in which the term appears and the location within the text where it occurs. This data structure allows rapid access to documents that contain user query terms.To improve search performance, Google ignores (doesn’t index) common words called stop words (such as the, is, on, or, of, how, why, as well as certain single digits and single letters) .How Google ranks search results , determines the order Google displays results on its search engine results page (SERP). Google uses a trademarked algorithm called PageRank, which assigns each Web page a relevancy score. A Web pag...

F1         :Help F2         :Rename the selected item F3         :Search for a file or folder F4         :Display the address bar list in File Explorer F5         :Refreshes the current window. F6         :Moves among panes in a window F10        :Activates the Menu bar     CTRL+C                       : Copy CTRL+X                       : Cut CTRL+V                       : Paste CTRL+Z    ...