Computer Basics

The word computer is derived from the Latin meaning computare count. So to translate that the computer is an electronic device that can receive an input data then the data is processed so that it becomes an information (output). In the processing of data using a computer is called by the name of Electronic Data Processing (PDE). Whilethe meaning the data itself is a collection of various kinds of events are removed from a reality . While the data could be numbers, letters or special symbols or a combination of all of them. Data processing is the manipulation of data into a form that is more useful and more meaningful, such an information. Information is the result of data processing activities that provide a more meaningful form of an event. So the Electronic Data Processing is manipulation...

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Security Systems

Preliminary First we must know the difference between safety and protection? Protection concerns about the internal factors of a computer system. Security while considering external factors (environmental) factors outside the system and protection against system resources. Looking at these differences, it is clear that the security cover wider than protection. How does a system can be said safely? A new system can safely be said if the resource used and accessed in accordance with the will of the user in various circumstances. Unfortunately, no single computer system has any security system is perfect. Data or important information that should not be accessible by others may be accessed, read or modified by others. Therefore, it needs a security system to cope with the possibility that important...

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Google knows

Google's mission is to provide a search experience on the Internet is the best by realizing that the world's information accessible and useful. Google, maker of the world's largest search engine, offering speed, ease of finding information on the internet. With access to more than 1.3 billion web pages, Google is delivering results that are relevant to all users across the globe less than half a second. To this day, Google has responded to more than 100 million search queries a day. Two Ph.D. students from Stanford, Larry Page and Sergey Brin founded Google in 1998. Private company was announced in June 1999 that the company had a source of funding of $ 25 million. Corporate funding sources include Kleiner Perkins Caufield & Byers and Sequoia Capital. Google provides its services...

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