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Smartboard

                 A  smartboard is  used in  classrooms as  a  teaching  tool.  It is  an
                 interactive board that displays information with the help of a projector.



                      Storage Devices

                 The devices  that  are used  to  store  data  are called  Storage  devices. There are many
                 storage devices to store our data or work, so that we can get it back whenever we need it.
                 Let us discuss about some of the commonly used storage devices.




                                      Memory Card

                                        A memory card is a storage device. It is mainly used in mobile phones,
                                      digital  cameras and other similar  devices  to increase  their  storage
                                      capacity. It is very small in size and is easily portable.





                 DVD

                 These look like CD but they can store a large amount of data.





                                      Pen Drive

                                      It acts as a portable hard drive and is easy to use. Pen drive has storage
                                      capacity of upto 1 TB.





                                                             Tech Fact

                   Now-a-days, cloud storage is very popular. In this type of storage, the data is stored over the
                   Internet. So, the user does not need to purchase and manage additional storage devices.





                        IPO CYCLE


                 A computer works on the IPO (Input-Process-Output) cycle. It receives input from the

                 user through input devices, processes it using the CPU and gives back the output using
                 output devices. This cycle is known as IPO cycle.




                                                                                                 Computer System   11
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