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e.  The octal number system consists of ____________ digits.

                    f.  Computer system understands ____________ numbers.
                 4.  Short answer type questions.
                    a.  What is an octal number system?

                         ______________________________________________________________________________

                    b.  How many bits are there in 1 nibble?
                         ______________________________________________________________________________

                    c.  What do you mean by base in a number system?
                         ______________________________________________________________________________

                 5.  Long answer type questions.
                    a.  What is number system? Explain.
                    b.  What are the rules  to convert a decimal number into a binary number?

                    c.  Write the rules to subtract two binary numbers.



                                                                                        fun Zone



                                                                                                      Critical Thinking
                    Let's soLve

                     Solve the crossword by filling it with equivalent decimal numbers or binary numbers.

                     Down                                                           1
                       1.  (10101)                                          3
                                2
                      3.  (1111011) 2                 2                     1       1

                      5.  (361) 10                                                  5
                      7.  (6) 10                                        4  3        1

                     Across                                                                               7

                      2.  (101)                                                  6  1
                              10
                      4.  (100101101) 2                                         8   1                     1
                      6.  (1100) 2

                      8.  (165) 10                                          9
                      9.  (1010001)
                                   2                                       10
                     10.  (1101010)                                                 0
                                  2

                     Let's exPLore                                                                 Experiential Learning

                       Surf the Internet to find out the uses  of the various number systems in different  types  of
                     scenarios. Discuss with your teacher.


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