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FUNDAMENTAL KNOWLEDGE OF COMPUTER: Data, Information, Characteristics

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💻 CHAPTER-1 1. WHAT IS COMPUTER? A computer is an electronic device that computes some raw data into meaningful information. The word" computer " derived from Latin word "computare",which means calculate. Computer can perform a wide range of tasks like: sending e mail ,playing games,creating prentation , calculation and browsing internet. 2. WHAT IS DATA? Data is a collection of row and unorganized facts that can be used as a sourse of information. They may consist of facts , number,names and figures. 3. WHAT IS INFORMATION? Information is a result of  processing data into a meaningful form. 4.CHARACTERISTICS OF COMPUTER- Speed -computer have tremendous processing speed.The speed of computer is used in terms of intitutions processed per second .The speed is very high thai special units are used for speed determination. Accuracy - The accuracy of computer is consistently high which is the case of human being.One could commit opporoximately one error in 50-100 calcul...
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HISTORY OF COMPUTER :Abacus, Analytical engine, ENIAC, Generations

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Chapter-2  HISTORY-  ABACUS-This was the first mechanical device developed in about 3500BC by the chinese  and later by the Japanese named" SORABAN". It is ABACUS. It is consist of rows of bead that slide on sticks or wires mounted on a rectangular frame .The frame devided into two sections so that each row of beads has one sectors with one or 2 beads and another sector with 5 beads. ADDING MACHINE-In 1642 Blaise Pascal a French man aged 19,invented a device to assist his father  [ a tax collecter  ] in adding a  long column of numbers .          ANALYTICAL ENGINE - In 1833 an English mathematician CHARLES BABBAGE developed the consept of Analitical engine.This  machine could perform arithmetic operation for any mathematical problem on data read in form of punched card and  a flexible output in the format of punched card on printed page. Babbage’s analytical engine  was comparable to modern computer no doubt his effo...
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PARTS OF COMPUTER: Hardware, Model , Input device, Keyboard, Special function keys

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Chapter-3 ENGLISH AND HINDI ENGLISH-  PART -1 UNITS OF COMPUTER-  The study of computer involves the study of 2 specific units 1- Hardware 2- Software. DEFINATION OF HARDWARE - The physical components of computer like -display,fan,light,key board etc are called hardware.These are function units of computer hardware(mainly)-1-Input,2-CPU(Central Processing Unit),3-output.  💻 Basic Computer Model with Main Parts +--------------------------------------------------+ |                    Monitor (Display)             | |      [Visual Output - shows the user interface]  | +--------------------------------------------------+                         |                         | HDMI / Display Cable                 ...
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