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    test Your skiLLs

                      1.  Tick ( ) the correct option.

                         a.   In  the  binary  number  system,  the  right-most  digit  before  the fractional  point  is  called
                            ____________.

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

                         b.  What is the another name for Base 2?

                            (i)  Binary number system                       (ii)  Hexadecimal number system
                            (iii) Decimal number system                     (iv)  Octal number system

                         c.  What are the two symbols present in the binary number system?
                            (i)  1 and 2                                    (ii)  0 and 1

                            (iii) 8 and 9                                   (iv)  5 and 6
                         d.  The decimal number (345)  is equivalent to ____________.
                                                      10
                            (i)  (101011001)                                (ii)  (110111001)
                                                                                            2
                                           2
                            (iii)  (111011101)                              (iv)  (111110001)
                                                                                            2
                                          2
                         e.  In binary addition, 0 + 1 is equal to ____________.
                            (i)  0                                          (ii)  1

                            (iii)  10                                       (iv)  2
                      2.  Write ‘T’ for true and ‘F’ for false.
                         a.  A number system is simply a manner of counting.                                ____________

                         b.  The base of decimal number system is 8.                                        ____________

                         c.  The word binary comes from 'Bi-' meaning two.                                  ____________
                         d.  The octal number system is used as a shorthand

                            representation of long binary numbers.                                          ____________

                         e.  The hexadecimal number system consists of 16 digits.                           ____________
                      3.  Fill in the blanks using the words from the help box.

                                                       binary, 0, 2, 8, 10, decimal number

                         a.  In binary subtraction, 1 – 1 equals to ____________.
                         b.  The base of binary number system is ____________.

                         c.  The base of ____________ system is 10.

                         d.  In binary addition, 1 + 1 is equal to ____________.

                      14    Premium Edition-VII

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