Floppy faifai: tsarin, amfani ko rashin amfani. Mene ne wani floppy faifai?

Rabin masu sirri kwamfutar ba ma sane da cewa akwai irin wannan fasahar, kamar Magnetic rikodi, da kuma sauran rabin na masu amfani yi imani da cewa wannan rikodi, ciki har da kafofin watsa labarai - floppy faifai, nutse cikin abu wulakantacce. Duk da haka, idan ka shiga cikin wannan batu, za ka iya samun cewa da manufacturer ya ci gaba da nuna halin maganaɗisu woje da kuma kaset. Ga abin da? Inda shi amfani da rabu amfani da fasaha? A mayar da hankali na wannan labarin - Magnetic rikodi a kan daban-daban kafofin watsa labarai, da amfani ko rashin amfani da fasaha XX karni.

tarihi bayanai

Mutane da yawa kafofin watsa labarai kafofin nuna cewa Magnetic woje sun maye gurbin Magnetic kaset a matsayin mafi m motocin. Wannan ba gaskiya ba ne. A gaskiya ma, wani floppy faifai - shi ya musanya wani bene na cards. Kuma fafatawa a gasa kaset ba za su iya zama ga mai sauki dalilin - ƙãruwa incommensurable.

Saki na farko Magnetic faifai ne kerarre ta IBM, wanda a 1971 ya nuna duniya da floppy faifai da diamita na takwas inci, kuma a drive iya rikodi da kuma karanta data daga ajiya matsakaici. Da damar a floppy faifai ne da ɗaya da ɗari Kilobytes, wanda ya isa ga ajiya da kuma watsa daga cikin lokaci. A 'yan shekarun baya ya bayyana a cikin kasuwar matsakaici size biyar da kwata inci, kuma a shekarar 1981 da duniya-sanannen Sony kungiyar gabatar a kasuwa a floppy faifai tare da diamita 3.5 inci. Da farko, da girma ya 720 kilobyte floppy faifai. Amma daga baya, ta kara da rikodi yawa, akwai dako da 1,44 Mb 2,88 Mb.

Kuma magana ta Magnetic rikodi a general

bayanai canja wuri za a iya za'ayi ba kawai a kan floppy faifai, amma kuma a kan fim da m m. Ka'idar da rikodin da mataki a kan m kafofin watsa labarai ne sananne ga dukan. Rikodi a kan Magnetic m ne da za'ayi sequentially. Haka kuma, da karatu dole ne m. Yana ga tef tafiyarwa da kuma shi ne mai babbar debe. Amma shi yana da abũbuwan amfãni, saboda, saboda da high yawa rikodi, a matsakaici iya adana babban adadin bayanai. Misalai na irin wannan na'urorin ne tef tafiyarwa. Amma da rikodin a kan m kafofin watsa labarai ba ka damar samun bayanai da yawa sauri tare da kawai biyu sunadaran - mai juyawa dogara sanda cewa spins da Disc surface tare da bayanai da kuma bayanai wani motsi-kori-kura kai.

A cikin dagi na kalaman

Idan da damar da m Magnetic faifai da aka iyakance zuwa surface yankin na m, da m fim za a iya rauni a kan wani spool da tsawon rabin wata kilometer. Wannan ne rayayye da ake yi da manufacturer. A XXI karni, sha'awa a cikin tafiyarwa ba kawai ba ya bace, amma ya karu. Masana'antun ne masu tasowa da kuma inganta sabuwar fasahar domin wadannan na'urorin. A daya irin wannan kananan Magnetic tef matsakaici iya rubuta daga 0.5 zuwa 4 terabytes na bayanai. Tef tafiyarwa ana amfani da ko'ina a manyan hukumomi don adana database records. A Studios a kan kafofin watsa labarai sanya cikin fina-finan aika zuwa archive. Ma'aikata na manyan Internet albarkatu a kan harsashi ga tef drive to adana kwafin duk muhimmanci shafukan. Kuma duk wannan godiya ga dama tabbatacce halaye na da na'urar, wanda ya ba tukuna kasance iya wuce wani fasaha.

1. A babbar rikodi yawa a cikin kananan kunshin m.
2. Low ikon amfani idan aka kwatanta da irin wannan goyon bayan manyan iya aiki.
3. High AMINCI da kwanciyar hankali.

Kawasaki, wanda bai kai wurin

Kamar yadda ka sani, wani kenkenewa a kasuwa na samar da ikon kafa nasu farashin, amma zata wasu grand ci gaban kayayyakin da suke na musamman, ba lallai ba ne. Sai ya juya daga cewa kadan-san kamfanin Iomega Zip shiga IT fasahar kasuwa a karshen XX karni tare da bidi'a da bai da analogues a duniya. Aka gabatar a drive da 3.5-inch floppy faifai drive a cikinta, kyale write data size na 100, 250, da kuma 750 megabytes da m. Farashin irin wannan na'urar da aka haka overstated cewa ba kawai talakawa mutane, amma kuma manyan hukumomi fi son Barin sayen. Saboda da low bukatar m aka ba nan da nan san cewa a lalace floppy raunana drive. Inganta harkokin fasahar da ya hana Laser rubuce-rubuce, cikakken bayani game da abin da aka ba a ɓoye wasu masana'antun.

Na'ura kuma m ajiya kafofin watsa labarai zane

The kalmar "floppy" da aka samu daga Turanci kalma diskette, wanda bi da bi ya kai ga wani rage daga cikin floppy faifai. Fassara floppy ne "m." A karshen, a zahiri - a floppy faifai. Menene sunan - ana jerawa. Ya zauna a fahimci da tsarin. Ka'idar aiki an rage wa gaban alama yanki a kan goyon bayan da surface da kai, iya rikodi da kuma karatu, wanda aka located a cikin drive. Bugu da kari, da drive aka sanya musamman shaft, wanda ke tsunduma a cikin juyawa daga cikin floppy faifai. Damar yin amfani da Magnetic m surface ta musamman taga diskettes, wanda tsawon damar da kai don motsawa a fadin radius daga cikin Disc surface. Don kare Magnetic surface ana kiyaye shi ta musamman taga rufe, wanda aka bude mechanically ta sa a diskette a wani drive. Rashin rufe kan na'urar yi ba ya shafa, amma na iya haifar da samu daga cikin farfajiya, tun da Magnetic Disc tsarin m don jawo hankalin ƙura.

Ka'idar aiki da kuma kananan oddities

Ka'idar da Magnetic rikodi Layer a kan wani m m m ban sha'awa. Bugu da kari zuwa rikodi, da na'urar yana da biyu iko shugabannin, wanda aka located a bayan babban da kuma biya diyya laterally daga juna. Su aiki ne don kare overwriting na bayanai a kan waƙoƙi, kusa da rikodi. Idan Magnetic shugaban da aka rubuta da karfi lokacinta ya shafa da bayanai tarar a can, da shugaban juya wannan canji overrides. Ga alama quite m daga waje. Bayan duk, idan muka kwatanta da wuya faifai, za ka iya ganin cewa yana daya kawai kai ga kowane faifai surface. Gaskiyar cewa rikodi kai, gina-in floppy faifai drive ba da high-mita nuna bambanci saboda da wuya daga ta zane. Saboda haka, mai sauki da kuma m bayani da aka samu.

A kawar da fasahar da IT kasuwar

Kamar 'yan shekaru da suka wuce tare da sayan wani sirri kwamfuta mai m sifa da tsarin tubalan ne floppy faifai tafiyarwa. Amma ban sha'awa a cikin na'urar masu amfani da sauri sõmammu. Kuma yanzu, kasancewar wani 3.5-inch Drive ce da shi daga cikin PC yana mai rauni kwamfuta. A dalilan da wannan bacewar floppy tafiyarwa daga kasuwar mai yawa. Ga kadan daga cikinsu.

1. M rikodi iya aiki. A gaskiya, ba za ka iya rubuta ko daya song a kan Disc.
2. A unreliability na data ajiya. A floppy faifai ne demagnetized ƙarƙashin rinjayar karfi Magnetic filayen. Alal misali, guda drive zuwa trolley ko subway m wanda aka tsara floppy faifai.
3. Ko wawanci, ta kaddamar a kafofin watsa labarai SSD-tafiyarwa masana'antun game da m effects na Magnetic rumbunka tafiyarwa, da kuma duk da wannan fasaha, ba ta da sakamakon.

Safety farko

Yana iya ze m, amma a floppy faifai ne Popular a hukumomin Gwamnatin Amirka, ciki har da shugaban gwamnati. Magnetic faifai ga mai amfani da Tantance kalmar sirri a lokacin da ka shiga a cikin kula da tsarin. Yayinda dukan duniya ya koma zuwa kebul-keys, America amfani da fasahar karni na karshe. Wannan dabarar da aka bayyana ta da cewa sau da yawa sosai, shan mallaki USB-key, da fraudster yana da damar yin amfani da bayanai na musamman. Mutane da yawa alama fina-finan bayyana matsalar a cikin labarin.

Tare da Magnetic woje komai. Yana taka muhimmiyar rawa biyu amfani ko rashin amfani m drive. Bugu da kari a low cost, kananan size, rewriting damar, azumi karanta, gano da m na wani tsarin aiki ba tare da direbobi da kuma amfanin hada da haske fitarwa na m kasa. Babu shakka, ba tare da yiwuwar dawo da. Wannan shi ne babban amfani da floppy faifai. A hali na gaggawa abin hawa ne da sauki halaka, tare da muhimmanci bayanai. Samun sabon key ba zai zama da wuya, shi ne isa zuwa roko ga Tsaro Service daga tsarin.

The ilimi tsarin

Amma Rasha yara a diskettes sani fiye da iyayensu. Bayan duk, mafi Rasha makarantu har yanzu suna da wani ma'auni a kan sirri kwakwalwa tare da gina-in floppy faifai tafiyarwa. Kuma godiya ga makaranta manhaja a kwamfuta kimiyya, wanda shekaru da dama sun ba halartar gagarumin canje-canje, duk dalibai samun m basira da kuma yin amfani da Magnetic woje. Bayan duk, da girma daga cikin floppy faifai iya adana a daya m, biyu shigarwa-matakin shirye-shirye da harshen, tare da wani aiki ga dukan ilimi shekara. Kuma ba tare da asali sanin BASIC da Turbo Pascal shirye-shirye da harshen, babu fasaha jami'a ba bude kofofin ta ga mai nema.

Tool System Administrator

Yana da wani floppy faifai maimakon USB-drive ko wani Tantancewar Disc tsarin mai gudanar da yana amfani da sabunta cikin firmware na tsarin na'urorin, sabobin da kuma kula da tsarin. Bugu da kari, a floppy faifai da ake amfani da canja wurin izni key, da tsarin hardware sanyi, sanyi masu kula da enclosures. Ba a ma maganar gaskiya cewa banal lalacewar wani PC BIOS za a iya gyara ko dai ta wajen wani floppy faifai ko shirye-shiryen. A dalilai na aiki amfani da floppy faifai akwai da dama.

1. Don karanta data daga ajiya matsakaici da aka gina a cikin drive na'urar, wanda ba dole ba ne ga direbobi. Babu samu da kuma sanyi.
2. Rahusa tafiyarwa da kuma kafofin watsa labarai tare da wannan laifi haƙuri a kan kasuwar shekaru da dama da kome ba.
3. Babu bukatar babban kundin bayanai - 1,44 MB ga Unix-tushen tsarin rasa zama dole data ajiye.

Game da nisha shirye-shirye

Saboda gaskiya cewa tsarin da Magnetic faifai ne mai karkace, da karanta shugaban yana da kullum matsawa a kan surface na m. A wannan yanayin, da fatar mota, wanda motsa shugaban, Halicci musamman sauti a drive, wanda aka sosai ji a babban dakin. Wannan shi ne abin da masu shirye-shirye amfani da shekaru da yawa. Amfani da daya daga cikin low-matakin shirye-shirye da harsuna (Turbo Pascal ko C +), ta amfani da musamman dokokin iya cimma iko stepper na'urar engine via serial da kuma gajeren kwamfuta accesses zuwa daban-daban data rubuta a kan dukan Disc. Mutane da yawa ba zai iya taka sosai hadaddun launin waƙa tare mahara tafiyarwa, kowanne daga abin da hidima a matsayin guda kayan aiki. A kafofin watsa labarai, za ka iya zama mafi saba da wannan irin nisha.

a ƙarshe

Daya kawai ƙarshe: a floppy faifai, kamar yadda wuya, kuma farkon rubuta kashe. Bayan aiki a cikin IT sashen game da shekaru 25, floppy woje da wuya tafiyarwa ne a bukatar a yankunan da yawa na mutum aiki. Bugu da kari ga disadvantages cewa ana dangana ga wadannan bayanan dako, sunã da wani yawa abũbuwan amfãni, wanda za a iya gani a lokacin da ƙoƙarin samun sani fiye da hankali da fasaha. Babu shakka, kada mu yi watsi da wawanci shiryayye mutanen da suka yi magana game da hadarin gaske sakamakon m Magnetic faifai, da kuma dukan Magnetic rikodi a general. All kayan aiki a cikin manyan yawa a kasuwa kada ka wuce a takardar shaida kafin ka samu zuwa counter.