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Basic Concepts of Computer


What is Computer? Computer is an electronic device which is used to store the data, as per given instructions it gives results quickly and accurately. Data : Data is a raw material of information. Information : Proper collection of the data is called information. Characteristics of Computer SPEED : In general, no human being can compete to solving the complex computation, faster than ... Read More »

Evolution of Computers and Computer Generations

computer generations

Evolution of Computers Charles Babbage is considered to be the father of modern digital computers He designed “Difference Engine”in 1822 He designed a fullyautomatic analytical engine in 1842 for performing basic  arithmetic functions His efforts established a number of principles that are fundamental to the design of any digital computer Computer Generations “Generation”in computer talk is a step in technology. It provides a ... Read More »

Computer Storage Device

storage device

Storage device is a device which stores the data. Data and instruction entered into a computer system thorough i/p system has to be stored inside the computer before actual procession starts. Then after procession again need to store output or result to at storage device. Types Primary Storage Secondary Storage Primary Storage Also known as main memory RAM(Random access memory) ... Read More »

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