RAM inomirira Random Access Memory , chinhu chakakosha chemagetsi chikamu chinodiwa kuti komputa ishande, RAM inzira yekuchengetedza iyo CPU inoshandisa kuchengetedza ikozvino kushanda data kwenguva pfupi. Inogona kuwanikwa mumhando dzese dzemakomputa zvishandiso senge Smartphones, maPC, mahwendefa, maseva, nezvimwe.
Sezvo ruzivo kana data richiwanikwa zvisina tsarukano, nguva dzekuverenga nekunyora dzinokurumidza kana zvichienzaniswa nedzimwe nzira dzekuchengetera dzakadai CD-ROM kana Hard Disk Drives uko iyo data inochengetwa kana kudzoserwa sequentially iyo iri kure inononoka maitiro semhedzisiro yekudzoreredza kunyange diki data yakachengetwa pakati pekutevedzana kwatichafanira kuenda kuburikidza nekutevedzana kwese.
RAM inoda simba kuti ishande, saka ruzivo rwakachengetwa muRAM runodzimwa kana komputa yakadzimwa. Nokudaro, inozivikanwawo se Volatile Memory kana Kuchengeta Kwenguva.
A Motherboard inogona kuva nenhamba dzakasiyana dzendangariro slots, avhareji yevatengi Motherboard ichave nepakati pe2 ne4 yavo.
Kuti Data kana mapurogiramu aurayiwe pakombiyuta, inofanira kuiswa mugondohwe kutanga.
Saka iyo data kana chirongwa chinotanga kuchengetwa pane hard drive ipapo kubva kune hard drive, chinodzoserwa uye kutakurwa mu RAM. Kana yangotakurwa, iyo CPU inogona kuwana iyo data kana kumhanyisa chirongwa izvozvi.
Kune ruzivo rwakawanda kana data rinowanikwa kakawanda kupfuura mamwe, kana ndangariro yakadzikira inogona kusakwanisa kubata data rese rinodiwa neCPU. Kana izvi zvikaitika ipapo imwe yedata yakawandisa inochengetwa pane hard drive kutsiva iyo yakaderera ndangariro.
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Saka pachinzvimbo chekuti data iende zvakananga kubva kuRAM kuenda kuCPU, inofanirwa kuitora kubva pakaoma dhiraivha ine kunonoka kwekupinda, kuita uku kunonotsa komputa. Izvi zvinogona kugadziriswa nyore nekuwedzera huwandu hwe RAM huripo kuti komputa ishandise.
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Mhando mbiri dzakasiyana dze RAM
i) DRAM kana Dynamic RAM
Dram chiyeuchidzo chine capacitor, iyo yakafanana nebhaketi duku rinochengeta magetsi, uye iri mumacapacitor aya inobata ruzivo. Nekuti dram ine capacitor inoda kuzorodzwa nemagetsi nguva dzose, haibati mutero kwenguva yakareba. Nekuti iwo ma capacitor anofanirwa kugadziridzwa zvine simba, ndiko kwavanowana zita kubva. Iyi fomu ye RAM tekinoroji haisisiri kushandiswa nesimba nekuda kwekuvandudzwa kwehunyanzvi uye nekukurumidza RAM tekinoroji yatichakurukura pamberi.
ii) SDRAM kana Synchronous DRAM
Iyi ndiyo RAM tekinoroji inoshandiswa zvakanyanya mumagetsi edu izvozvi. SDRAM zvakare ine capacitor yakafanana neDRAM, zvisinei, iyo musiyano pakati peSDRAM neDRAM ndiko kumhanya, iyo yekare DRAM tekinoroji inomhanya zvishoma kana inoshanda asynchronously kupfuura CPU, izvi zvinoita kuti kukurumidza kwekufambisa kupere nekuti masaini haana kurongeka.
SDRAM inomhanya mukuwirirana nesystem wachi, ndosaka ichikurumidza kupfuura DRAM. Ese masaini akasungirirwa kune system wachi yenguva inodzorwa zvirinani.
RAM inobairirwa mubhodhi reamai muchimiro chemushandisi-anobvisirwa modules anonzi SIMMs (Single in-line memory modules) uye DIMMs (dual in-line memory modules) . Inonzi DIMMs nekuti ine mitsara miviri yakazvimirira yemapini aya mumwe kudivi rimwe nerimwe nepo maSIMM achingova nemutsara mumwe wemapini kune rimwe divi. Rutivi rumwe norumwe rwemodule rune 168, 184, 240 kana 288 pini.
Iko kushandiswa kweSIMM kwave kusashanda sezvo ndangariro ye RAM yakapetwa kaviri DIMMs .
Aya maDIMM anouya akasiyana ndangariro masimba, ayo anotangira chero pakati pe128 MB kusvika 2 TB. DIMMs inotamisa 64 bits yeData panguva ichienzaniswa neSIMMs inotamisa 32 bits yeData panguva.
SDRAM yakatemerwawo nekumhanya kwakasiyana, asi tisati tapinda mune izvo, ngatinzwisise kuti nzira yedata chii.
Kumhanya kweCPU kunoyerwa mumawachi, saka mukutenderera kwewachi imwe, ingave 32 kana 64 bits yedata inotamiswa pakati peCPU ne RAM, kutamisa uku kunozivikanwa senzira yedata.
Saka iyo yakakwira yekumhanyisa wachi yeCPU ndiko kukurumidza kunoita komputa.
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Saizvozvo, kunyangwe SDRAM ine wachi yekumhanyisa iyo kuverenga nekunyora kunogona kuitika. Saka iyo inokurumidza kukurumidza wachi ye RAM ndiko kukurumidza kwekuita kunoitika kuwedzera processor kuita. Izvi zvinoyerwa muhuwandu hwematenderedzwa aanogona kuita akaverengerwa mumegahertz. Saka, kana RAM yakayerwa pa1600 MHz, inoita 1.6 bhiriyoni kutenderera pasekondi.
Saka, isu tinovimba izvi zvakakubatsira kuti unzwisise kuti RAM uye akasiyana marudzi e RAM matekinoroji anoshanda sei.
Elon Decker Elon munyori wehunyanzvi paCyber S. Anga achinyora maitirwo-magwara kweanenge makore matanhatu zvino uye akafukidza akawanda misoro. Anoda kuvhara misoro ine chekuita neWindows, Android, uye azvino matipi uye matipi.