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    3.  A group of 4 bits is known as a              .

                            4.  Memory card is commonly known as                   memory card.

                      Q     Answer the following questions:
                        A
                            1.  What are the types of computer memory?

                            2.   Priyam has created some amazing posters on his computer and wants to share them
                               with his computer teacher. Which portable storage device, that can be carried in a pocket,
                               would be most suitable for him to use?

                            3.  State any one difference between CD and DVD.

                            4.   Sarika is confused between GigaByte and PetaByte when considering a unit to store a large
                               amount of data. Which unit should she consider?

                            Scratch Your Brain.                                                  21 st  Century   #Technology Literacy
                                                                                                     Skills
                                                                                                         #Critical Thinking
                            1.  Number the following storage devices in ascending order based on their storage capacity:

                              a.                        b.                     c.                       d.

                           2.  Competency-based/Application-based questions:
                                a.   Shreya  has been  capturing  stunning photos  on  her phone,  but  she's run
                                  out of storage space. Which storage solution can she utilise to expand her
                                  phone's storage capacity?
                                b.   Shobhit’s computer teacher says that the main storage device of computer
                                  stores program files and data files. Which storage device is she talking about?

                                                                                           Data Storage and Memory     15

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