Page 15 - TP_Prime_V2.2_Class7
P. 15

Mind Drill





                     Rapid Fire


                 1.  Tick (3) the correct option.

                    a.   In  the  binary  number  system,  right-most  digit  before  the  fractional  point  is  called
                        ___________.
                        (i)  MSD                                      (ii)  LSD                                             NUMBER SYSTEM

                        (iii)  BSD                                    (iv)  Exponent


                    b.  Which of the following number system has base 16?
                        (i)  Binary number system                     (ii)  Hexadecimal number system
                                                                                                                          13
                        (iii)  Decimal number system                  (iv)  Octal number system


                    c.  Which of the following numbers are 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
                 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 10.                                          ________

                    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 18 digits.                              ________


                    Evaluation Time


                 1.  Fill in the blanks using the hints given below:


                                                  Binary, 0, 2, 8, 1, Decimal Number

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