Page 21 - TechPluse_C7_Flipbook
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Lab Session                                                                        Subject Enrichment


                      Demonstrate the concept of punched cards as used in the earlier to input data into computers.
                       Observe how time consuming method it was.

                      Fill in the following table with the binary values that correspond to the given decimal values. A
                       few of the binary values given.

                        Decimal   Binary  Decimal    Binary  Decimal   Binary  Decimal   Binary   Decimal Binary
                           0                  7                 14                21                 28

                           1                  8                 15                22                 29
                           2                  9                 16                23                 30

                           3                 10                 17                24                 31
                           4                 11      1011       18                25      11001      32







                 Teacher's Note

                   1.  Talk to the children about the importance of number systems and their use in computers.
                   2.   Do a detailed walk-through of the decimal and binary number systems and their different operations in

                      a mathematically rigorous manner.
                   3.  Give a brief on octal and hexadecimal number systems.











































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