Page 16 - Viva ICSE Computer Studies 1 : E-book
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Computer: A Smart Machinee


                    A computer is a smart machine.

                    •  It is a man-made machine.
                    •  It can do many things.

                    •  It needs electricity to work.

                    •  It works very fast.

                    •  It saves our time.
                                                                                    Think and Discuss
                    Computers We Use                                            Do you depend on a computer

                                                                                or any other machine to do
                    We use diff erent types of
                                                                                work? Is it right to do so?
                    computers to work.




                                                   Desktop Computer

                                                   •  We keep a desktop computer on top of a desk.

                                                   •  We cannot carry it to other places.



                    Laptop

                    •  We can keep a laptop on our lap.

                    •  It is smaller in size.

                    •  We can carry it to diff erent places.

                                                   Tablet


                                                   •  A tablet is a mobile computer.

                                                   •  It has a touch screen.
                                                   •  We can carry it to other places.

                    Smartphone

                    •  A smartphone is smaller than a tablet.

                    •  It is a mobile phone.

                    •  It is used to make calls and send messages.
                    •  We can also listen to songs and watch movies on a

                       smartphone.

                    •  We can carry it to other places.

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