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    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.  Identify the basic unit for measuring the memory of a computer.

                              (i)  Bit                                         (ii)  Byte

                             (iii)  KiloByte                                  (iv)  MegaByte

                          b.  Which type of memory is volatile and loses its data when the computer is turned off?

                              (i)  ROM                                         (ii)  RAM

                             (iii)  Hard Disk                                 (iv)  SSD

                          c.  Which of the following device is needed to read the data from a multimedia memory card?

                              (i)  A USB cable                                 (ii)  A printer

                             (iii)  A Wi-Fi connection                        (iv)  A card reader

                          d.  What is the capacity of a standard CD?

                              (i)  700 MB                                      (ii)  4.7 GB

                             (iii)  25 GB                                     (iv)  128 GB

                          e.  Find the optical storage device that uses a blue/violet laser light to read and write data.

                              (i)  CD                                          (ii)  DVD

                             (iii)  Blu-ray Disc                              (iv)  Pen Drive

                       12   Premium Edition-IV

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