Floppy Disk

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FLOPPY DISK  M.ARUN KUMAR (120021601023)

Defnition •







A oppy disk  is magnei! s"#age me$i%m. &'e "* $is+ is !"m"se$ ", a 'in an$ e-i/e magnei! $is+ sea/e$ in a s%a#e /asi! !a##ie#. In "#$e# " #ea$ an$ #ie $aa ,#"m a "* $is+ a !"m%e# s*sem m%s 'ae a "* $is+ $#ie (FDD). A n%me# ", $i4e#en *es ", "* $is+s 'ae een $ee/"e$. &'e si5e ", 'e "* g" sma//e# an$ 'e s"#age !aa!i* in!#ease$. '"ee# in 'e 10s "'e# me$ia in!/%$ing 'a#$ $is+ $#ies 7IP $#ies "i!a/ $#ies an$ US8 as' $#ies sa#e$ " #e/a!e "* $is+s as 'e #ima#* s"#age me$i%m.

Type o Floppy Disk  •





8-inch; &'e <#s "* $is+s 'a !ame "n 'e ma#+e e#e = in!'es (200 mm) in $iamee#. I s"#e a"% 1 M8 ", $aa. 5¼-inch:  &'is as %i!+/* #e/a!e$ * a > ? in!' (133 mm) "*  'i!' s"#es 'e same am"%n ", in,"#mai"n %sing 'ig'e#:$ensi* me$ia an$ #e!"#$ing e!'ni%es. 3½-inch: In 'e ea#/* 1=0s 'e 3 @ in!' (0 mm) "* "# mi!#" "* !ame "n 'e ma#+e an$ 'is *e e!ame 'e $"minan s"#age me$i%m ,"# e#s"na/ !"m%e#s ,"# man* *ea#s.

Three dierent generations o oppy disk: 8 inch 5!"5 inch and 3!5 inch

Disk: •

I %se a 'in /asi! ase mae#ia/ !"ae$ i' i#"n "-i$e. &'is "-i$e is a erro#agnetic mae#ia/ meaning 'a i, *"% e-"se i " a magnei! <e/$ i is e#manen/* magnei5e$ * 'e <e/$.

 &'e #a!+s a#e a##ange$ in concentric rings s" 'a 'e s",a#e !an B%m ,#"m C</e 1C " C</e 1C i'"% 'aing " ,as ,"#a#$ '#"%g' </es 2: 1=.



 &'e $is+ee sins /i+e a #e!"#$ an$ 'e 'ea$s m"e " 'e !"##e! #a!+ #"i$ing 'a is +n"n as direct access storage . 8"' !an #e!"#$ in,"#mai"n insan/*. I !an e e#ase$ an$ #e%se$ man* imes. I #e!"#$ in,"#mai"n insan/*.







Floppy disk or#at

$ear introd%ced

8-inch Do%(le Density 8-inch do%(le sided 5¼-inch Do%(le density Floppy disk or#at 8-inch Do%(le Density 5¼-inch )%ad density 8-inch do%(le sided 3½-inch *igh Density 5¼-inch Do%(le density 5¼-inch )%ad density 3½-inch +,tended 3½-inch *igh Density Density 3½-inch +,tended Density 3½-inch aser .er/o3½-inch aser .er/o-0"1 0"1 3½-inch aser .er/o-"21 3½-inch *igh capacity Floppy disk  3½-inch aser .er/o"21

04 044

3½-inch *igh capacity

048

$ear introd%ced 16 082 1 084 1= 1=E

00 1= 11 16 0 1

&arketed capacity 1!5 &6 0!" &6 &arketed

31 76

capacity M8 0!"0.>&6 1.2 M8 0!22360&6 K8 1.2 M8

"!881.EE&6 M8 2.== M8 M8 0"1120&6 2E0 M8

1=

1>0200 M8

04

"21 &6

 &GANK YOU

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