Page 16 - TechPluse_C7_Flipbook
P. 16

3.  Which of the following are the two symbols present in the binary number system?

                            a.   1 and 2                                 c.  0 and 1
                            b.   8 and 9                                 d.  5 and 6

                        4.  The decimal number (345)  is equivalent to .........................
                                                     10
                            a.   (101011001)                             c.  (110111001)
                                             2                                           2
                            b.   (111011101)                             d.  (111110001)
                                             2                                           2
                  B.    Write ‘T’ for true and ‘F’ for false.

                         1.   A number system is simply a manner of counting.                              ........................
                         2.   The base of 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, 2, 8, 10, decimal number

                         1.   The base of binary number system is .........................

                         2.   The base of ........................ system is 10.
                         3.   In binary addition, 1 + 1 is equal to .........................

                         4.   The octal number system consists of ........................ digits.
                         5.   Computer system understands ........................ numbers.

                  D.    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 number system?

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

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

                         2.   What are the rules  to convert a decimal number into a binary number?
                         3.   Write the rules to add two binary numbers.




               14       Premium Edition-VII
   11   12   13   14   15   16   17   18   19   20   21