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Ans.   1. ii.              2. iii.            3. iii.             4. i.                5. iv.
                         6. ii.              7. ii.             8. iv.              9. i.              10. iii.


              B.  Fill in the blanks.
                  1.  ........................... is a short-range wireless technology that helps you connect that other devices that are nearby.
                     Once connected, you can send images messages and songs.
                  2.  The lower part of the mobile home screen is called ............................ The Apps in this area can always be seen if
                     we move to a different page.

                  3.  The CPU is divided into three parts Control Unit (CU), Arithmetic and Logic Unit (ALU) and ............................
                  4.  ........................... is defined as the exchange of information through networks using either wired or wireless
                    media.
                  5.  ........................... is a freeware owned by Facebook that allows the users to share messages, documents,
                     multimedia data, location, etc.

                 Ans.  1. Bluetooth                      2. Dock                           3. Memory Unit (MU).
                      4. Communication Technology        5. WhatsApp

              C.  State whether these statements are true or false.

                  1.  Pictures, videos, audio files and spreadsheet files cannot be attached to an e-mail.    CBSE Handbook
                  2.  Scanner is a device that scans documents and converts them into digital data.
                  3.  A device that you are able to attach to and use with a computer, though it does not form an integral part of it,
                     is called a Port.
                  Ans.  1. False           2. True             3. False


                                                              Section B
                                                     (Subjective Type Questions)

              A.  Answer the following questions:
                   1.  What is the difference between RAM and ROM?
                 Ans.
                                         RAM                                            ROM

                       RAM stands for Random Access Memory.       ROM stands for Read Only Memory.

                       RAM is volatile memory which means it      ROM is Non Volatile memory which means it
                       temporarily holds data as long as power is ON.  permanently stores information. Information is stored
                                                                  when the computer is off.

                       RAM is user’s working area that holds      ROM contains BIOS (Basic Input/Output System), and
                       current data and instructions currently being   it is also known as “Boot strap Loader” and other
                       processed.                                 control programs needed for internal functioning.

                       The user has direct access to internal memory.   The user has no direct access to ROM.










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