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Q5 Why You use Nurbers, , Friends, do you know that a computer, cannot understand the language that, you speak? It only understands machine, language. Every letter or symbol that, you write as instructions to a computer, gets converted into machine language. A, , machine language comprises of numbers., , In order to understand the language, used by computers, it is important to, understand the number system. You will, learn about different number systems, in this chapter., , Co), , , , ETS ARN ABOU, Decimal Number System, Binary Number System, Octal Number System, Hexadecimal Number, System, , Conversions in Number, , Systems, , Computer Arithmetic, , | y, You use numbers to perform different calculations. To make calculations easy, different |, , systems were invented. A number system is a mathematical way to represent numbers., , are primarily four types of nu, , at do, , , , , , , , , , , , , wuraber f, , t, 0lojm, fy ys, , mber systems—Decimal, Binary, Octal, and Hexadecimal., , The decimal number system consists of digits from 0 to 9. These ten digits can be used it, combination to form a number. Some examples of decimal numbers are 608, 1711, 12:, , and so on., , € k, , The base of decimal numbers is 10 because total digits, used in this number system are ten (0 to 9). Base can, be defined as the number of digits which are available, n the number system for expressing any digit in that, , articular number system., , he decimal number system is a positional value system., , , , iy deci, , Gv dleamal vu 6e, , |, , , , &, , The base of a number ;, { placed as a subscript o, mo. yal, , OMIKd, CLAN, , 21.12124 16:50