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    Blu-ray Disc
                                   The Blu-ray is an optical disc storage device. It is called Blu-ray because it

                                   uses a blue/violet laser light to read and write data. It is used to record and
                                   store high-definition videos and can store up to 25 GB of data which is over
                     Blu-ray Disc  five times more data than a DVD.

                         PURE        A DVD and Blu-ray Disc can store up to 4.7 GB of data and 25 GB of data,
                         FACT        respectively.

                     Pen/Flash Drive
                     A pen drive is a small-sized storage device. It can be carried from one place
                     to another in a pocket. It is used to transfer data from one computer to another
                     and can be connected to the Universal Serial Bus (USB) port of a computer.
                                                                                                              Pen Drive
                                       Memory Card

                                       It is also known as multimedia memory card. It is very small in size usually
                                       1-1.5 inches. These are used  in various  electronic  devices  like  mobile

                      Memory Card      phones, digital cameras, etc. You need to have a card reader to read the
                                       stored data on a memory card.

                     Solid State Drive (SSD)
                     An SSD is a type of storage device that holds information, like your pictures,

                     games, and documents. An SSD uses the technique of flash memory to store                    SSD
                     data. It is much faster than a hard disk. SSDs are more durable and reliable than hard
                     disks. They come in various capacities, typically 128 GB to several TBs. Nowadays, desktop
                     computers and laptops come with SSD instead of traditional hard disk.

                             uiz   Bee        Which memory is called volatile memory?

                                              ______________________________________________________

                               ONLINE STORAGE (CLOUD STORAGE)

                     We  can also  store  data  on  various  online  platforms  that  allow online
                     storage, file sharing and syncing. It allows us to store data in an off-site

                     location which can be accessed later on any computer anywhere through
                     the Internet. If we store data in cloud storage, we can save money that                  OneDrive
                     would otherwise have to be invested in paying for storage devices.

                                                                                                    Computer Memory   11

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