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  ADVANCES IN MATHEMATICAL ,PHYSICAL AND CHEMICAL SCIENCES B.sc computers-2 1.     What is Number System? Explain various types of Number System? Number system refers to a set of symbols and rules used to represent and manipulate numbers. In computers, numbers are represented using different number systems, such as binary, octal, and hexadecimal. a.    Binary Number System: ●         The binary number system uses only two symbols, 0 and 1. ●         It is the most fundamental number system used in computers because it directly corresponds to the on and off states of electronic switches. ●         Each digit in a binary number is called a bit (short for binary digit), and a group of 8 bits is called a byte. ●         Binary numbers are often used in computer hardware, programming, and digital communication systems. b.    Octal Number System: ●         The o