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    Hashtag

                           #Data: A fact or figure that stored in the computer
                           #RAM: A temporary memory

                                        Suppose,  you could  create  a virtual memory  palace  in your  mind  using  a
                                        computer. What rooms and objects would you include to help you remember
                                        important information, like math formulas or historical facts?

                            REVISIT

                        ▶   A computer stores data, instructions and information inside a memory, which is called computer
                          memory.
                        ▶   There are two types of memory available: primary memory and secondary memory.
                        ▶   Primary memory is the main memory from which the CPU can access data directly.
                        ▶   RAM is a temporary memory and ROM is a permanent memory.
                        ▶   Secondary memory is used to store large amounts of data permanently.
                        ▶  The basic unit for measuring the memory of a computer is byte.

                      1.  Tick ( ) the correct option.
                          a.   Riya  measures  sugar in grams and rice in kilograms.  She wonders how a computer
                             measures stored information.Which unit does a computer use to measure information?

                              (i)  Metre                                       (ii)  Gram

                             (iii)  Memory unit                               (iv)  Kilometre

                          b.   Rahul needs a storage disc that looks like a CD but can store almost six times more data
                             than a CD Which device should he use?
                              (i)  CD-R                                        (ii)  CD-ROM

                             (iii)  Hard Disk                                 (iv)  DVD

                       12   Premium Edition-IV

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