Abinda za a nema a cikin Rumbun Drive

Sashe na I: Ayyuka

Kafaffin kafofin watsa labaru ko ƙwaƙwalwar ajiyar ƙwaƙwalwar ajiya wata kasuwa ce mai yawa da kuma bambanta. Kuskuren ƙwaƙwalwa daga ƙwaƙwalwar tsararren uwar garken jigilar kayan aiki zuwa ƙananan microdrives game da girman kwata. Tare da dukan nau'o'in fitar da su a can akan kasuwa, ta yaya mutum ke tafiya akan zabar hanyar da ta dace don kwamfutar su?

Gano maɓallin kullun ya zo ne don sanin abin da kake so a cikin kundin. Ana yin motsin motsawa don kwamfutar? Shin iyawa duk abin da ke faruwa? Ko kuwa abin da yake da kyau? Waɗannan su ne manyan nau'o'i na uku don nazarin duk wani rumbun kwamfutarka a kasuwa. Da fatan wannan jagorar zai taimake ka ka gane wane daga cikin waɗannan al'amurra ya shafi kuma yadda zaku kalli su lokacin sayan kwamfutarka ta gaba .

Ayyukan

Ayyukan nasu shine nau'in motsa jiki don yawancin zaɓaɓɓe na mutane . Rigar direba mai sauƙin kai tsaye yana tasiri ga dukkan ayyukanka na ƙididdiga. Ƙaƙwalwar ƙwaƙwalwar kullun yana ƙaddamar da ƙirar haɗin ɗigon hudu:

  1. Interface
  2. Rotational Speed
  3. Samun damar shiga
  4. Girman Buffer

Sassa

A halin yanzu akwai tashoshin farko guda biyu da aka yi amfani dashi don ƙwaƙwalwar ƙwaƙwalwa don kwakwalwa na sirri a kasuwar: Serial ATA (SATA) da IDE (ko ATA). Akwai kuma ƙwayar SCSI da aka yi amfani dashi a baya don wasu kwamfutar tafi-da-gidanka masu ɗaukaka amma an ƙuƙa wannan tun daga yanzu kuma ana amfani dashi kawai don ajiya uwar garke.

Shirye-shiryen IDE sune mafi yawan al'ada da aka samo akan kwakwalwa na sirri. Akwai matakan gudu don IDE a jere daga ATA / 33 zuwa ATA / 133. Yawancin kwaskwarima suna goyon baya har zuwa tsarin ATA / 100 kuma sun dace da jituwa tare da tsofaffi. Lambar a cikin version yana nuna iyakar bandwidth a cikin megabytes ta biyu da ke dubawa zai iya ɗaukar. Saboda haka, hanyar ATA / 100 zata iya tallafawa 100 MB / sec. A halin yanzu babu kaya mai wuya ya iya isa wadannan canje-canjen canja wuri, don haka ba a buƙatar wani abu fiye da ATA / 100.

Don Ma'aiyoyi Mai Mahimmanci

Babban kuskure ga daidaitattun IDE shine yadda yake amfani da na'urori masu yawa. Kowane mai kula da IDE yana da tashoshi 2 wanda zai iya taimaka wa 2 na'urori. Dole ne mai kulawa ya ƙaddamar da sauri zuwa na'urar jinkirin a tashar. Wannan shine dalilin da ya sa kake ganin tashoshi 2 na IDE: daya don matsaloli masu wuya da kuma na biyu don masu tafiyar da kayan aiki. Kwamfuta mai jujjuya da kullin fitarwa a kan tashar tashar tashar ita ce sakamakon mai sarrafawa wanda ya sake mayar da ita ga kullin gwajin mai sauƙi wanda ya sauya aikin ga dirar.

Serial ATA

Serial ATA ne sabon ƙirar kuma yana hanzari maye gurbin IDE don matsaloli masu wuya. Ƙaƙamar mai sauƙi yana amfani da ita sau ɗaya a cikin kullin kuma yana da sauri daga 150 MB / s har zuwa 300 Mb / s don sababbin sigogi. Don ƙarin bayani game da wannan karamin, duba takardar Serial ATA na .

Tsarin sauri na kwakwalwa a cikin tafiyarwa shi ne mafi girman factor a cikin wasan kwaikwayo. Yawanci girman gudu daga cikin drive, da ƙarin bayanai da kundin zai iya karantawa da rubuta daga drive a cikin lokaci mai tsawo. Ƙararrawa da motsa jiki su ne ginshiƙan biyu na girman gudu. Heat yana tasirin aikin lantarki a cikin kwamfutar, musamman idan akwai rashin lafiya. Batu zai iya haifar dashi ga mutane a ko kusa da kwamfutar. Yawancin ƙwaƙwalwar kwamfuta na kwamfutarka ta juya a 7200 rpm. Wasu mafi girma gudun uwar garken kwanto gudu a 10,000 rpm.

Samun damar shiga

Lokacin samun isa zuwa tsawon lokaci yana ɗaukar kaya don matsayi shugaban kai a kan na'urar don aikin da ya dace. Akwai lokuta sau hudu waɗanda aka lissafa don duk matsaloli masu wuya a kasuwa:

Dukkanin hudu an kiyasta a cikin milliseconds. Bincike neman shine yawancin lokacin da yake buƙatar motsa kai daga matsayi guda a kan drive zuwa wani don karanta bayanai daga drive. Rubuta nema shine adadin lokacin da yake ɗaukar kundin don motsawa zuwa sararin samaniya a kan faifai kuma ya fara rubuta bayanai. Track-to-track ne ƙayyadadden lokacin da kundin ke motsa don motsa kai zuwa kowane ɓangaren waƙoƙi akan kundin. Cikakken cikakken shine yawan lokacin da yake ɗaukar shugaban kai don motsawa daga waje zuwa ɓangaren ciki na faifai ko cikakken tsawon motsi. Ga waɗannan duka, ƙananan ƙananan yana nufin aikin mafi girma.

Babban dalilin da ya shafi tasirin kullun shine adadin buƙata a kan drive. Kuskuren kaya yana da adadin RAM a kan kundin don adana yawancin shiga bayanai daga drive. Tun da RAM ta fi sauri a sauya bayanai fiye da aikin jagoran motar, yana ƙara yawan kullun. Ƙarin buƙata akan drive, ƙarin bayanai da za a iya adana a cikin cache don rage adadin aikin motar jiki. Yawancin matsalolin yau sun zo tare da buƙatar motar 8MB. Wasu wasan kwaikwayo na irin waɗannan sun zo tare da tambalar 16MB mafi girma.