Page 350 - FUNDAMENTALS OF COMPUTER
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350                         Fundamentals of Computers                          NPP


                    4.6 âcm°nr d hmS>©{S>ñH$ H$s VwcZm

                     H«§$.         âbm°nr {S>ñH$                                hmS>© {S>ñH$

                     1. j_Vm H$_ hmoVr h¡Ÿ& O¡go- 1.2 MB, 1.44 MB. A{YH$ j_Vm hmoVr h¡, O¡go- GB _| &
                     2. `h nVbr d bMrbr hmoVr h¡, Omo {H$ ßbmpñQ>H$ BgH$s ßboQ> _moQ>r d H$R>moa hmoVr h¡ Omo Eë`y{_{Z`_ H$s

                         H$s ~Zr hmoVr h¡ &                     ~Zr hmoVr h¡&
                     3. EH$ hr erQ> H$m Cn`moJ {H$`m OmVm h¡Ÿ&  AZoH$ ßboQ>| Cn`moJ _| AmVr h¢Ÿ&
                     4. arS>-amBQ> hoS> gVh H$mo ñne© H$aVm h¡Ÿ&  hoS> gVh H$mo ñne© Zht H$aVmŸ&

                     5. Iam~ hmoZo H$s gå^mdZm A{YH$ hmoVr h¡ &  Iam~ hmoZo Ho$ Adga H$_ hmoVo h¢Ÿ&
                     6. BZH$s KyU©Z J{V 300/360 à{V {_ZQ> hmoVr  BZH$s J{V 3600  RPM `m A{YH$ hmoVr h¡Ÿ&
                         h¡ Ÿ&

                     7. Yr_r J{V H$m S>mQ>m Q´>m§g\$a hmoVm h¡ Ÿ&  CÀM J{V Q´>m§g\$a (MB à{V goH§$S>)
                         (KB/goH§$S>)  NPP
                     8. dm`w_ÊS>b _| Iwbr hmoVr h¡Ÿ&            {Zdm©V² _| hmoVr h¡Ÿ&

                     9. âbm°nr d S´>mB©d AbJ-AbJ BH$mB©`m± hmoVr h¢Ÿ&  EH$ hr BH$mB© _| {S>ñH$ d CgH$m H§$Q´>moba ~Zo hmoVo h¢Ÿ&
                    10. EH$ `m XmoZm| gVh na [aH$m°{S>ªJ H$s Om gH$Vr  h_oem XmoZm| gVh na [aH$m°{S>ªJ hmoVr h¡Ÿ&
                         h¡ Ÿ&

                    11. AmgmZr go {ZH$mbr Om gH$Vr h¡ Ÿ&        pñWa ahVr h¡Ÿ&
                    12. gñVr hmoVr h¡ Ÿ&                        _h±Jr hmoVr h¡Ÿ&
                    13. ~mha go arS> AmoZbr ~Zm gH$Vo h¢ Ÿ&     gm°âQ>doAa go arS> AmoZbr ~Zm gH$Vo h¢Ÿ&

                    4.7 Magnetic Tape                           4.7 Mw§~H$s` Q>on
                        A magnetic tape is a secondary memory       `h EH$ goH§$S>ar _o_moar h¡, {Og_| AË`{YH$ _mÌm _|
                    which can store a huge amount of information.  OmZH$mar g§J«hrV hmoVr h¡ Ÿ& BgH$s j_Vm âbm°nr {S>ñH$ go
                    Its storage capacity is much larger than that of  H$B© A{YH$ hmoVr h¡Ÿ& `o VwbZmË_H$ ê$n go gñVr hmoVr h¢Ÿ&
                    the  floppy disk.  It is  relatively cheaper.  The  `o h_mar Am°{S>`mo Q>on Ho$ g_mZ hr hmoVr h¢ bo{H$Z H$åß`yQ>a
                    magnetic tape is similar to our audio tape. But  Ho$ gmW Cn`moJ _| AmZo dmbr Q>on _| {g\©$ 0 VWm 1 Ho$
                    the magnetic tape used with computers stores  ê$n _| OmZH$mar hmoVr h¡ Ÿ& `o {~Q>| Mwå~H$s` {~ÝXwAm| _|
                    1 and 0 only. These bits are stored in magnetised  g§J«hrV hmo OmVr h¡ Ÿ& {H$gr OJh H$mo K‹S>r H$s {Xem _| VWm
                    spots. One spot may be magnetised in clock-  {H$gr H$mo K‹S>r H$s {dnarV {Xem _| Mwå~H$s` joÌ àXmZ
                    wise direction and other may be magnetised in  {H$`m OmVm h¡ Ÿ& Bg_| [aH$m°{S>ªJ EH$ hoS> Ûmam H$s OmVr h¡,
                    anticlockwise direction. The recording is done
                    with the help of head which converts electrical  Omo {dÚwV Va§Jm| H$mo Mwå~H$s` âbŠg _| ~XbVm h¡ Ÿ& `h
                    pulses to the magnetic flux. The same head is  hoS> hr Q>on na {bIr OmZH$mar n‹T>Zo H$m H$m`© H$aVm h¡ &
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