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    2                          NUMBER SYSTEM

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                         Decimal Number System
                         Binary Number System
                         Octal Number System
                         Hexadecimal Number System
                         Conversion of Number Systems
                         Binary Arithmetic Operations

                               Hey AIRO, I don’t understand number
                               systems. How do computers use them?

                                                                             Computers use binary, a system

                                                                       with only 0s and 1s, to represent data.

                               Just 0s and 1s? How does that work?

                                                                          Yes! 1 means ON and 0 means OFF.

                                                                Computers use these signals to process data.

                               I see! So, Binary is the computer’s language.
                               But why don’t we use it in everyday life?

                                                                  Humans use the decimal system because it
                                                         has ten digits, while binary is simpler for computers.
                                             Now, let’s explore more about number systems in this chapter!

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