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    c.  How does a gesture recognition camera work to control on-screen elements?

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                        d.   What do you mean by handheld computer? Write the name of any two handheld
                          computers.

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                         ______________________________________________________________________________________
                        e.  Define the following:

                          (i)  Projector

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                          (ii)  ATM

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                          (iii) Microwave
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                          (iv) Laptop

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                     5.  Differentiate between the following:

                        Supercomputer                                          Minicomputer
                        __________________________________                          __________________________________

                        __________________________________                          __________________________________

                                                                                                      21 st
                     6.  Application-based questions.                                               Century   #Technology Literacy
                                                                                                      Skills
                        a.   Devansh recently visited a supermarket and purchased a few items. When he went over to the billing
                          counter, he noticed that the person there was using a device to scan the items he had purchased.
                          When the person scanned the item, its price was automatically displayed on the screen. Which
                          device was he using?
                        b.   Shweta was given a project to be made in Word 2016. After completing the project, she had to take
                          its printout and submit it to her teacher. Her teacher asked her to get the best quality printout. Which
                          printer should Shweta use for this purpose?

                     7.  Classify the following devices as Input (I) and Output (O):

                        a.  Keyboard                                       b.  Barcode reader

                        c.  Inkjet printer                                 d.  Projector

                        e.  OCR                                            f.  Monitor

                                                                                             Fundamentals of Computer  17

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