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Computer - Overview

Today’s world is an information-rich world and it has become a necessity for everyone to know about computers. A computer is an electronic data processing device, which accepts and stores data input, processes the data input, and generates the output in a required format. The purpose of this tutorial is to introduce you to Computers and its fundamentals. Functionalities of a Computer If we look at it in a very broad sense, any digital computer carries out the following five functions − Step 1 − Takes data as input. Step 2 − Stores the data/instructions in its memory and uses them as required. Step 3 − Processes the data and converts it into useful information. Step 4 − Generates the output. Step 5 − Controls all the above four steps. Advantages of Computers Following are certain advantages of computers. High Speed Computer is a very fast device. It is capable of performing calculation of very large amount of data. The computer has units of speed i...
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Computer - Applications

In this chapter, we will discuss the application of computers in various fields. Business A computer has high speed of calculation, diligence, accuracy, reliability, or versatility which has made it an integrated part in all business organizations. Computer is used in business organizations for − Payroll calculations Budgeting Sales analysis Financial forecasting Managing employee database Maintenance of stocks, etc. Banking Today, banking is almost totally dependent on computers. Banks provide the following facilities − Online accounting facility, which includes checking current balance, making deposits and overdrafts, checking interest charges, shares, and trustee records. ATM machines which are completely automated are making it even easier for customers to deal with banks. Insurance Insurance companies are keeping all records up-to-date with the help of computers. Insurance companies, finance houses, and stock broking firms are widely ...
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Computer Fundamentals Tutorial

Computer is an advanced electronic device that takes raw data as an input from the user and processes it under the control of a set of instructions (called program), produces a result (output), and saves it for future use. This tutorial explains the foundational concepts of computer hardware, software, operating systems, peripherals, etc. along with how to get the most value and impact from computer technology. Source: TutorialsPoint
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