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    Hashtag

                          # Number System: Way to express quantities used for counting, comparing amounts, performing
                           calculations and representing values
                          #Conversion: Process of changing or causing something to change from one state to another

                          REVISIT

                       ▶   The smallest piece of data that can be recognised and used by the computer is known as a bit or a binary digit.
                       ▶   A number system is a way to express quantities used for counting, comparing amounts, performing
                         calculations and representing values.
                       ▶   A number system made up of ten symbols, 0 to 9, is known as the decimal number system.
                       ▶   A number system made up of only two symbols, 0 and 1, is known as the binary number system.
                       ▶   A number system made up of eight symbols, 0 to 7, is known as the octal number system.
                       ▶   A number system made up of sixteen symbols, 0 to 9, and A to F, is known as the hexadecimal number system.

                     1.  Tick ( ) the correct option.

                        a.  Which number represents the base of the binary number system?
                            (i)  2                                         (ii)  8

                           (iii)  10                                      (iv)  16
                        b.  How many digits are used in the hexadecimal number system?
                            (i)  8                                         (ii)  10

                           (iii)  12                                      (iv)  16
                        c.  The right-most digit of the number having the lowest weight is called:

                            (i)  MSD                                       (ii)  LSD
                           (iii)  OSD                                     (iv)  None of these

                        d.  The binary equivalent of the decimal number 26 is:
                            (i)  11010                                     (ii)  10100
                           (iii)  11100                                   (iv)  11001

                        e.  Identify the result of adding 1 and 1 in binary.
                            (i)  0 with a carry of 1                       (ii)  1

                           (iii)  10                                      (iv)  11

                                                                                                      Number System   13

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