Page 344 - FUNDAMENTALS OF COMPUTER

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344 Fundamentals of Computers NPP

1. Soft sectoring 1. gm°âQ> goŠQ>[a¨J
2. Hard sectoring 2. hmS>© goŠQ>[a¨J
Soft Sectoring: The sectors are formatted gm°âQ> goŠQ>[a¨J: `o goŠQ>g© gm°âQ>do`a H$m Cn`moJ
(numbered) using software. Such disks are H$aHo$ \$m°_}Q> (H«$_m§H$ {X`o) {H$`o OmVo h¢Ÿ& Eogr {S>ñH$
called soft sectored disks. This is more reliable. H$mo gm°âQ>-goŠQ>S>© {S>ñH$ H$hVo h¢Ÿ& `h A{YH$ {Q>H$mD$
hmoVr h¡Ÿ&
Hard Sectoring: Each sector has its own hmS>© goŠQ>[a¨J: àË`oH$ goŠQ>a _| nhMmZ Z§~a Ho$ {bE
hole for its identification. Such disks are called EH$ AbJ hmob hmoVm h¡Ÿ& Bg àH$ma H$s {S>ñH$ hmS>©-
Hard sectored disks.
goŠQ>S>© {S>ñH$ H$hVo h¢Ÿ&
Types of Floppy âbm°nr Ho$ àH$ma
On the basis of physical size there are two ^m¡{VH$ AmH$ma Ho$ AmYma na Xmo àH$ma H$s âbm°nr
types of floppy disks : hmoVr h¡…
1. 5.25 inch (Minifloppy)
2. 3.5 inch (Microfloppy)

5.25 Inch floppy (Minifloppy) 5.25 B§M âbm°nr ({_{Zâbm°nr)
In Minifloppy, the magnetic surface is {_{Zâbm°nr _| Mw§~H$s` d¥ÎmmH$ma gVh H$mo EH$
covered in a thin vinyl jacket. The structure of bMrbo ßbmpñQ>H$ ({dZmBb) Ho$ OoHo$Q> _| aI {X`m OmVm
this floppy can be drawn as:
h¡Ÿ& BgH$s g§aMZm {ZåZmZwgma hmoVr h¡…

Write
protect
Label Notch

Plastic
Hole Ring
5.25'' for
Hub

R/W
Head Index
Slit hole

Stress Relief Notch

A slot is cut in the outer jacket. The read- n‹T>Zo d {bIZo Ho$ {bE ~mhar OoHo$Q> na EH$ ñbm°Q>
write head moves over this slot. A write pro- H$Q>m hþAm hmoVm h¡Ÿ& hoS> Bgr na AmJo-nrN>o J{V H$aVm
tect notch protects floppy from any erase or h¡ & D$nar H$moZo _| EH$ ZmoM ~VmB© JB© h¡Ÿ& Bg na H$moB©
write. When some opec tape is put on the notch, ñQ>rH$a bJmZo go âbm°nr amBQ> àmoQ>oŠQ>oS> hmo OmVr h¡ Ÿ&