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                  NPP               Number System, Boolean Algebra and Logic Circuits              143


                      0, 1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 13, 14, 15, 16, 17, 20, 21, 22, 23 , 24, 25, 26, 27, 30 .............
                       Problem 3.1                                 àíZ 3.1
                      Write first fifty numbers of octal number   Am°ŠQ>b g§»`m nÕ{V H$s àW_ nMmg g§»`mE§ {bImo&
                  system.
                  Solution:                                   hc:
                      Following are first fifty numbers of octal  {ZåZ àW_ 50 Am°ŠQ>c H$s g§»`mE± h¢
                  number system :
                        0, 1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 13, 14, 15, 16, 17, 20, 21, 22, 23, 24, 25, 26, 27, 30, 31, 32,
                        33, 34, 35, 36, 37, 40, 41, 42, 43, 44, 45, 46, 47, 50, 51, 52, 53, 54, 55, 56, 57, 60, 61
                       Problem 3.2                                 àíZ 3.2
                      In the above problem what are the octal     Cnamoº$ g_ñ`m _| ZrMo Xem©E Xe_bd g§»`mAm| Ho$
                  equivalents for the following decimal numbers:  {bE Am°ŠQ>b àmßV H$amo:

                                        (a) 6     (b) 9  (c) 35  (d) 49 (e) 16
                  Solution:                                   hc:
                      '0'  is  equivalent  to '0' and  so on, 6  is  "0" Vwë` h¡ "0" Ho$ VWm Bgr Vah EH$-EH$ ~‹T>mVo
                  equivalent  to 6,  the following results are  OmE± Ÿ& "6" Vwë` hmoJm "6" Ho$ Am¡a Bgr Vah ZrMo {bIo
                  obtained:
                                                              n[aUm_ àmßV hm|Jo …


                        (a)  ( ) 6  10  → ( ) 6    (b)   ( ) 9  10  → ( ) 8  (c)  ( ) → ( )   (d)  ( ) → ( ) 8
                                                         11
                                                                                         49
                                                                                43
                                                                                                   61
                                                                      35
                                                                                            10
                                                                                   8
                                        8
                                                                         10
                            16
                                      20
                        (e)   ( ) → ( ) 8
                               10
                       Problem 3.3                                 àíZ 3.3
                      In problem  3.1 what are  the  decimal      g_ñ`m 3.1 _| {ZåZ{b{IV Am°ŠQ>b g§»`mAm| Ho$
                  equivalents for the  following octal numbers:  {bE Xe_bd g§»`m àmßV H$amo-
                                                  (a) 5   (b) 13  (c) 54
                  Solution :                                  hc:
                      Take help of the table start with '0' which  Vm{cH$m H$s ghm`Vm go h_ ~Vm gH$Vo h¢ {H$
                  is equivalent to '0', you will find the solution.
                                (a)   ( ) 5 → ( ) 5  10  (b)   ( ) → ( ) 10  (c)   ( ) → ( ) 10
                                                                    11
                                                                                          44
                                                                                54
                                                           13
                                                                                   8
                                       8
                                                              8
                   3.4 Hexadecimal Number System              3.4 hoŠgmS>o{g_b g§»`m nÕ{V
                      The Hexadecimal Number system has           Bg g§»`m nÕ{V _| 16  {d{^ÝZ g§Ho$Vm| H$m Cn`moJ
                  sixteen distinct symbols  used as digits.   hmoVm h¡, {OÝh| h_ hoŠgmS>o{g_b A§H$ H$hVo h¢ Ÿ& Bgr{bE
                  Therefore base of this number system is 16. The
                  following  Hexadecimal digits  are used for  Bg g§»`m nÕ{V H$m AmYma (~og) 16 h¢ Ÿ& hoŠgmS>o{g_b
                  making the numbers:                         A§H$ Bg àH$ma h¢ …
                                             0, 1, 2, 3, 4, 5, 6, 7, 8, 9, A, B, C, D, E, F
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