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    Q    Answer the following questions:
                      A
                         1.  What is decimal number system?

                         2.  Define LSD in the context of number system.

                         3.   What digits are used in hexadecimal number system? Give an example of a number written in to
                            hexadecimal number system.

                         4.   A group of friends were playing “Guess it right and quick”. They were supposed to answer the correct
                            number related to the code provided. Amaan gave Nissi “1001” and mentioned that this number is in
                            binary. What is the number in decimal number system given by Amaan? Explain.

                         5.   Ramesh asks his friend Rana to share his flat number. Rana gave him “F7”. Which number system is
                            best suited to represent this flat number, and why?

                         6.   Explain any two real-life examples of computing using the binary number system.

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