Computer Basic

•   The word “computer” comes from the word “compute”, which means to calculate”.
• Charles Babbage is known as the 'Father of computer'.
•  A computer often referred to as a “data processor” because it can store, process, and retrieve data whenever desired.
•  The activity of processing data using a computer is called data processing.
•   Data processing consists of three sub activities:-

(1)         Capturing input data

(2)         Manipulating the data and

(3)         Managing output results.

• Data: - Data is raw material used as input to data processing. Data can be anything like numerical, non-numerical or a mixture of both.
• Information: - Information is processed data obtained as output of data processing.
• Computer: - A computer is an electronic device which performs numerical calculation and logical calculation at high speed and produces information that are expressible in numerical as well as in logical form.
• Computer Stands For

     C = Common

     O = Operating
     M = Machine
     P = Particulary
     U = Used for
     T = Technical
     E = Education and
     R = Research

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COMPUTER BASICS

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