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1.3.7 Microphone

        Anoicromhontn(ornoic)niynanninmutndtvictnthatntaktyntSmicallSntaktynyoundnayninmut.nnAlthoughnhuoannvoictniynthtn
        ooytncoooonnforonofnyoundninmut,nanioalnvoictnandnyoundntoanatngnfroonthtnflownofnwattr,nair,noovtotntnofn
        trtty,nttc.,noaSnalyonbtnmayytdntonancoomuttrnayninmut).nThtnanalogouynyoundnyignalynartnconvtrttdntondigitalnforonforn
        ytoragtnandnmroctyying.n

        1.3.8 Bar Code Reader
        A barcode tncodtyninforoatonninnthtnforonofnanytqutnctnofnlintynofndifftrtntnltngthy,nhtightynandnwidthy.nAnbarncodtn
        rtadtrnfttchtyninforoatonnaboutnanmroductnornanytrvictnbSnycanningnitynbarncodt.nThtnytaltdnmackttynatnanyhommingnoalln
        tSmicallSnincludtnanbarcodtncontainingninforoatonnaboutnthtnmroductynandnthtirnmricty.
        An QR coden (Quickn Rtymonytn codt)n iyn an two-diotnyionaln barn codtn thatn cann btn ycanntdn withn an yoartmhontn
        caotra.n An QRn codtn tSmicallSn containyn oortn inforoatonn thann an tSmicaln barn codtn andn iyn oortn rtyiytantn ton noiytn
        andn martaln occluyion.n An QRn codtn oaSn includtn an linkn ton an wtbyitt,n maSotntn gattwaS,n caltndarn tvtnt,n orn oobiltn
        ammlicaton.

        1.3.9 Biometric Sensor

        AnbioottricnytnyornycanynthtnmhSyicalncharacttriytcynofnhuoannbtingy,nyuchnaynfingtrmrintynandntSty.n uchnytnyorynartn
        widtlSnuytdntonoarkntomloStty’natttndanctninnorganiyatonynandntonmrovidtnrtytricttdnacctyyntonofficty.n





                                       O R
                                                       KtSboard

                            Mouyt                                              canntr



                                                    Input Devices

                         Barn odtn                                                     Trackball
                          Rtadtr




                                                                                     MI R
                                 JoSytck
                                                TouchnPantl       Touchmad

                                                    Fign1.4:nInmutnDtvicty


                 Name the input device for the following:
                 (i)  Converts an image on paper to digital form.
                 (ii)  A device used to automate the evaluation of multiple-choice questions, whose answers have been
                    marked by darkening circles against the correct answers.
                 (iii)  A device that scans the fingerprint of employees for attendance.



        1.4 Output Devices

        Thtnoutmutndtvictynrtctivtndatanfroonancoomuttrnandndtlivtrnthtndtyirtdnoutmutnonnanyuitabltndtvictnfornanuytr.nnItn
        convtrtyndigitalndatanintonanhuoan-undtrytandabltnforo.n ootnofnthtncoooonlSnuytdnoutmutndtvictynartndtycribtdn
        btlow:

          12   Touchpad Informatics Practices-XI
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