Page 20 - Plus V4 with Adobe class 7
P. 20

21 st
               Scratch Your Brain.                                                          Century   #Critical thinking
                                                                                                 #Communication
                                                                                             Skills
               1.  Fill in the blanks with equivalent decimal numbers or binary numbers.
                   a.  (10101)                                     b.  (1111011)
                                                                               2
                            2
                   c.  (361) 10                                    d.  (6)
                                                                         10
                   e.  (101)                                        f.  (100101101)
                          10
                                                                                  2
                   g.  (1100)                                      h.  (165)
                           2
                                                                           10
                   i.  (1010001)                                    j.  (1101010)
                              2                                                2
               2.   Surf the Internet to find out the uses of the various number systems in different types of scenarios.
                  Discuss with your teacher.

               3.  Competency-based/Application-based questions:

                   a.   Prashant noticed the given numbers while working, (256)  and (2AF) . Which number system do
                                                                                    16
                                                                          8
                     they belong to? How can he tell?
                   b.   A number system has made the representation of large values easy. It is made up of 16 symbols 0
                     to 9, and A to F. Which number system we are talking about?





                      Scan the QR code and attempt the quiz.





                                                                               21 st
                 DIY In The Lab                                              Century   #Technology Literacy
                                                                               Skills
         To
         Subject   Binary Operations

          Visit your computer lab and perform the following actions:
               Find out the size of RAM of your computer and convert this decimal number into binary number system.

               Open any folder which contains Word, PowerPoint or image file and note down their sizes. Now convert
             them into binary number system.





        For The Teacher
            Talk to the students about the importance of number systems and their uses in computers.
             Do a detailed walk-through of the decimal and binary number systems and their different operations in a
           mathematically rigorous manner.
            Give a brief on octal and hexadecimal number systems.













            18  Plus (Ver. 4.0)-VII
   15   16   17   18   19   20   21   22   23   24   25