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Open source Server Virtualization

Virtualization is most popular buzz world these days, speically server virtualization, people are sometime thinking why should i go for virtualization as computers and servers are getting cheaper day by day. But virtualization is a broad term it includes, Server, Platform, Storage, Desktop and Network etc. Earlier I was thinking why should I got for Virtualization? Why I need Server Virtualization? I came to know that Virutalization can combine multiple software workloads on one computer system and then I can run various VMs (Virtual Machines) which saves, money, space, power as we can use existing system resources which are not utilized suppose you have requirements for multiple servers like mail server, application server, database server, webserver, storage server, domain controller etc, then you may have multiple hardware for all in traditional case, but if you monitor all above server you will notice that all the server hardware resources are not utilized fully I.e Primary Mem
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Windows 8 - next Generation for Tablet and Traditional Desktops

Windows 8 is different from all previous versions and an improved interface, which a user needs today, due to apple's iPad most of the users switched from PC/Laptops to iPad but because of limitations what they could do on pc couldn't do on iPad Microsoft brought Windows 8 which fulfilled most of the requirements, Windows 8 on Slate with work as tablet and then on desk as desktop and on laps as laptop. New kind of applications are there now to be downloaded by users same like appstore by apple and marketplace for andriod, using html5 and java scripts applications users will be more flexible to build websites and web applications. To help the users who have habit of using earlier version of Windows    Legacy apps can, however, run side by side with the new Windows 8 apps. I will update its more information very soon......
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Top 10 Open Source PBX Software.

PBX (Private Branch Exchange) is a small telephone switch that is used to establish connections among the internal telephones of a private organization. PBX reduces the overall cost of telephony in a company by reducing the total number of telephone lines they need to lease from the telephone company. Without a PBX a company needs to lease one telephone line for every employee with a telephone. The company only needs to lease as many lines from the telephone company as the telephone company as maximum number of employees that will be making outside calls at one time. It is nearly 10% of the number of extensions. In a PBX system, every telephone is wired to the PBX. When an employee takes the receiver off hook and dials the outside access code, the PBX connects the employee to an outside line. The enterprise-class PBX including directory-based voicemail, conference calling, integrated messaging, interactive voice response (IVR), three-way calling, caller ID, and call queues.  T
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The evolution of hard drives and Storage

The punch card A punch card was once the basis for digital information used for computer programs and data storage. They were widely used throughout the first half of the 20 th   century in processing machines to input data and to store it. Punch cards could be fed into the first commercial computer, IBM 305 system, which then stored the data on hard disks. IBM 350 disk storage unit The 350 Disk Storage System was a major component of the IBM 305 RAMAC (Random Access Method of Accounting and Control) system, which was introduced in September 1956. It consisted of 40 platters and a dual read/write head on a single arm that moved up and down the stack of magnetic disk platters. Those 40 platters stored a whopping (for the time) 5MB of data.
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Camera Mouse

Camera Mouse is a program that allows you to control the mouse pointer on a Windows computer just by moving your head. The program was developed to help people with disabilities use the computer. The main audience for this program is people who do not have reliable control of a hand but who can move their head. People with Cerebral Palsy, Spinal Muscular Atrophy, ALS, Multiple Sclerosis, Traumatic Brain Injury, various neurological disorders use this program and its predecessors to run all types of computer software.
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Open Source Communications (Asterisk *)

Asterisk, the world's most popular open source communications project, is free, open source software that converts an ordinary computer into a feature-rich voice communications server. Asterisk makes it simple to create and deploy a wide range of telephony applications and services, including IP PBXs, VoIP gateways, call center ACDs and IVR systems.
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