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    Assess Yourself

                            Choose the correct option.

                           1.   Which of the following is not a type of number system?

                                      a. Decimal                                    b. Binary

                                      c. Octal                                      d. Fractional

                           2.  Which of the following represents base of a number system?

                                      a. Number of digits used in it                b. Number of characters used in it

                                      c. First digit of a number                    d. None of these

                           3.  If the number 1100110 has base 2. In which of the following number systems can it be considered?

                                      a. Binary only                                b. Octal only

                                      c. Decimal only                               d. All of these

                           4.  If a sentence is made up of 128 bits. How many bytes are there in the sentence?

                                      a. 32 Bytes                                   b. 64 Bytes

                                      c. 16 Bytes                                   d. 8 Bytes

                           5.   If the number 16 is written as 10000, 20 is written as 10100, and 25 is written as 11001 is a number
                               system, then how the number 12 is written in that number system?

                                      a. 1100                                       b. 1000

                                      c. 1010                                       d. 1111

                             Tick ( ) the correct statements and cross ( ) the wrong ones.

                           1.  A number system is a systematic way of representing numbers to describe quantities.

                           2.  Another name for radix is base.

                           3.  The word 'binary' comes from 'Bi' meaning two.

                           4.  One bit is equal to 4 nibbles.

                           5.  In binary addition operation 0 + 1 = 0.

                      Q     Answer the following questions:
                        A
                           1.  What is decimal number system?

                                                                                                     Number System      17

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