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History and evolution of computer

on January 07, 2024

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What is Identifier?

on September 26, 2021

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What is Identifier?

Identifier : A name which is given by user it is known as a identifier. it can be Variable, Array, Structure, Function etc.

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Introduction to computer

Block Diagram of computer Operation A computer is an electronic device that takes raw data like input and processes it gives useful information like output. The computer has been changed our life. Today the various type of electronic and computrized machines in this computer age, many of our's life task are becoming easier and completed in less time. The history of computer is almost 3000 years old. computer was not so important earlier days, but today computer is well-known word in our life. Today computer is very used in almost every area of our daliy life. for example, Nowadays computer is used for banking, education, medical, bill payment, satelite system etc. in this area we can easily complete the biggest work with the computer in few time, Today, We don't need to go to the bank for transation and others work (some works are excptional) , we can easily transfer or recive money from others in seconds with the helps of UPI (Unified Payments Interface) or internet bank

History and evolution of computer

It said that computer was invented in china 3000 years ago. Earlier the computer name was abacus. Abacus: Abacus is a frame od wires.small balls are inserted in these wires.This machie was used to add, substract, multiply, and divide digits. This fram is divided into two parts. in which each wire on one side has two balls, the value of which is 5 and in other part each wire has 5-5 balls, the value of which is 1. The Abacus After, the Abacus, John Napier was invented Napier's Bone. Napier's Bone: John Napier is a scottish mathematician. He made some rectangular strip from elephant teeth called Napier's Bone. with the help of it in those time multiplication could be done quickly.Later, Napier's Developed logarithim method. Napier's Bone Slide Rule: Slide rule was invented by german mathematician William Oughtred. it has two marked strips, which can be moved back and forth in equal measure. Slide Rule Pascal's calculator: This is a mechnical calculator invented

Basic function of a computer.

Computer perform the following five basic function for converting raw input data into information or persenting it to the user. Inputing : it take some input from the user to perfrom any operation. processing : Performing arthmethic or logical operation on inputed data to convert information. storing: It can store the inputed or processed data for further use. outputting: Computer process the data and gives us output in an organized manner. Contorlling: directing the manner and sequence in which above operation is performed.

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