Author: Abhishek Kumar

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Hyper V Explained | Virtualization in Windows

Hypervisor was first introduced in Window Server 2008 and Windows 8 and later releases of the OS. Windows implements Hypervisor by isolating the virtual machines running by creation on partition within the Operating Systems. The Hypervisor acts as a layer between the Hardware and OS – The one you will be running and the one you are running onto.

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All about Macros in Excel | Macro settings explained | Security Issues with them.

Ever thought to automate things you do in excel? Suppose you are manager of a bank and you are repeating some of the actions on a daily basis.  A macro is an action set or a series of actions that you can run as many times as you want. When you create a macro, you are recording your actions i.e. mouse clicks and keystrokes and after the creation of a macro, you can use it as many times you want.

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What are backlinks and crosslinks? How they are structured?

Simply a backlink is a hyperlink which when clicked direct you to another page. The purpose of a backlink is to add more

value-added content
others opinion
research
experts
who you have have identified more important enough to link to. In terms of search engines google, bing, yahoo and others use them to index web pages  by swinging from link to link with their web crawlers almost all web pages in google and other search engines have been indexed this way.

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Life of Hard Drives, SSD and CD-ROM? What is Data Rot?

When it comes to securing our data we often think that our data is safe when we store our data in these electronic/magnetic storage medias. But we often forget that even the hard copies of data can’t exist for a lifetime. Even when we write something on a piece of paper even we cannot claim to be forever there maybe the paper gets rot or the ink fades away. So how can we be so assured in case of these electronic devices. They also do have a life span. This deterioration in the quality and performance of data is known as data rot.

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How Google Search Works

The first thing when you are searching on google we are actually searching the google indexes or index of the web or you might say contents that are at least indexed in google.

Google does this via software programs called spiders. Spiders first find a few few web pages then they follow the links on those web pages and further fetch the pages they point to and so on.. until they they get a pretty chunk on the web stored across thousands of machines with a billions of web pages.

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SEO -Types and Techniques

These Search Engines analyzes your words, matches your search, ranks useful pages,consider content, and returns the best results.The crawling process begins with a list of web addresses from past crawls (A Web crawler, sometimes called a spider, is an Internet bot that systematically browses the World Wide Web, typically for the purpose of Web indexing) and sitemaps provided by website owners. Whereas talking about these sitemaps- (Sitemap is an XML file that lists the URLs for a site). In Google Webmaster you got to submit the sitemap of your website that refreshes periodically.