Page 13 - TP_iPlus_V2.1_Class3
P. 13

Printer

                  A printer is used to print the result of the work done by the computer on a paper. We
                  can print documents, drawings, images, etc., in black & white as well as in coloured form

                  using a printer. There are two types of printers.



                                        Laser Printer

                                        A laser printer uses a laser beam to print a hard copy.


                     Laser Printer

                  Inkjet Printer


                  An inkjet printer sprays ink on the paper to print a hard copy.



                                            Plotter                                                    Inkjet Printer


                                            A plotter is used to print big sketches, diagrams and maps on
                                            long sheets of paper.  They are used by engineers, architects,
                                            scientists and designers.
                          Plotter

                  Projector


                  A projector projects or displays data of the computer screen on a
                  large screen or surface for the audience.

                                                                                                      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.



                  Hard Disk

                  The hard disk is permanently fixed in the CPU box/Cabinet. It is

                  used to store large amount of data.
                                                                                                      Hard Disk
                     Info Byte

                      Hard disks that can be used as an external storage device are known as external
                      hard disks.






                    10
                         iPlus (Ver. 2.1)-III
   8   9   10   11   12   13   14   15   16   17   18