Page 29 - Trackpad_ipro 4.1_Class7
P. 29

B.  Write ‘T’ for true and ‘F’ for false.

                     1.  A number system is simply a manner of counting.                             ................................
                     2.  The base of the decimal number system is 10.                                ................................
                     3.  The word binary comes from 'Bi' meaning two.                                ................................

                     4.  The octal number system is used as a shorthand representation
                        of long binary numbers.                                                      ................................

                     5.  The hexadecimal number system consists of 16 digits.                        ................................

                 C.  Fill in the blanks using the words given below:
                                                 Hints


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

                     1.  In binary subtraction, 1 – 1 equals to ................................ .
                     2.  The base of the binary number system is ................................ .
                     3.  The base of ................................ system is 10.

                     4.  In binary addition, 1 + 1 is equal to ................................ .
                     5.  The octal number system consists of ................................ digits.
                     6.  The computer system understands ................................ numbers.




                  Let's Do            It                                                    Section B (Subjective)



                 A.  Short answer type questions.
                     1.  What is an octal number system?

                        ...................................................................................................................................................................................

                     2.  How many bits are there in 1 nibble?
                        ...................................................................................................................................................................................
                     3.  What is 'base' in the number system?

                        ...................................................................................................................................................................................

                 B.  Long answer type questions.
                     1.  What is a number system? Explain.

                        ...................................................................................................................................................................................

                        ...................................................................................................................................................................................
                     2.  Explain briefly the rules for converting a decimal number to a binary number.

                        ...................................................................................................................................................................................
                        ...................................................................................................................................................................................

                        ...................................................................................................................................................................................


                                                                                              Number System      27
   24   25   26   27   28   29   30   31   32   33   34