{"id":658,"date":"2018-08-05T12:28:22","date_gmt":"2018-08-05T09:28:22","guid":{"rendered":"https:\/\/cpukarsilastir.com\/?p=658"},"modified":"2018-08-05T12:28:22","modified_gmt":"2018-08-05T09:28:22","slug":"islemci-mimarisi-nedir","status":"publish","type":"post","link":"https:\/\/cpukarsilastir.com\/blog\/islemci-mimarisi-nedir\/","title":{"rendered":"\u0130\u015flemci Mimarisi Nedir?"},"content":{"rendered":"<p>&#8220;\u0130\u015flemci Nedir&#8221; ba\u015fl\u0131\u011f\u0131 alt\u0131nda tart\u0131\u015f\u0131lacak konulardan biri olan i\u015flemci mimarisinin \u00f6neminden bahsedece\u011fim.<br \/>\n<strong>\u0130\u015flemcileri mimarileri<\/strong>ne g\u00f6re de\u011ferlendirecek olursak CISC ve RISC i\u015flemciler olarak ikiye ay\u0131rabiliriz.<\/p>\n<h2>1. CISC (Complex Instruction Set Computer) Mimarisi:<\/h2>\n<p>1965 y\u0131llar\u0131 ile 1975 y\u0131llar\u0131 aras\u0131nda \u00fcretilmeye ba\u015flanan bu<strong> mimari<\/strong>, programlanma y\u00f6n\u00fc kolay ve ayn\u0131 zamanda olduk\u00e7a etkin bellek kullan\u0131m\u0131n\u0131 destekleyen bir \u00fcr\u00fcn\u00fcd\u00fcr. Bu mimaride <strong>i\u015flemci<\/strong>\u00a0\u00e7ok daha fazla karma\u015f\u0131k hale d\u00f6n\u00fc\u015fmekte ancak \u00fczerinde \u00e7al\u0131\u015facak programlar\u0131 daha basit hale getirmektedir. En dikkat \u00e7ekici \u00f6zelli\u011fi ise karma\u015f\u0131k yap\u0131lar\u0131 di\u011fer <strong>i\u015flemci mimarileri<\/strong>ne g\u00f6re \u00e7ok kolay ay\u0131rabilmesidir. Bu sebepten \u00f6t\u00fcr\u00fc bellek tasarrufu sa\u011flan\u0131r.<br \/>\nGenelde \u00e7ok fazla karma\u015f\u0131k komut i\u00e7eren bilgisayarlarda CISC <strong>mimari<\/strong>si kullan\u0131l\u0131r ve daha az bellek gerektiren sistemlerde tercih edilir.<\/p>\n<h2>2. RISC (Reduced Instruction Set Computer) Mimarisi:<\/h2>\n<p>CISC <strong>mimari<\/strong>leri olduk\u00e7a karma\u015f\u0131k yap\u0131dad\u0131r. Daha basit ve kullan\u0131m\u0131 kolay bir i\u015flemci mimarisine ihtiya\u00e7 duyulmu\u015ftur. \u00d6zellikle cep telefonu gibi daha az karma\u015f\u0131k olan yap\u0131larda kullan\u0131lmak \u00fczere RISC mimarisi geli\u015ftirilmi\u015ftir.<br \/>\nRISC mimari dedi\u011fimiz mimariler temel 3 basit prensipten olu\u015fmaktad\u0131r. Bunlar;<br \/>\nB\u00fct\u00fcn olaylar tek bir komut ile \u00e7al\u0131\u015ft\u0131r\u0131lmal\u0131d\u0131r.<br \/>\nBellek yani RAM&#8217;e sadece \u201cLoad\u201d ve \u201cStore\u201d komutlar\u0131yla eri\u015filmelidir.<br \/>\nB\u00fct\u00fcn icra birimleri donan\u0131m ile \u00e7al\u0131\u015ft\u0131r\u0131lmal\u0131d\u0131r.<\/p>\n<h3>CISC Mimarisinin Avantajlar\u0131:\u00a0Mikroprogramlar\u0131n \u00e7al\u0131\u015ft\u0131r\u0131lmas\u0131 kolayd\u0131r.<\/h3>\n<p>Eski sistemlerle uyumludur.<br \/>\n\u0130\u015flemci yap\u0131s\u0131 s\u00fcrekli kendini geli\u015ftirmekte ve tekrarlanan i\u015flemcileri \u00e7ok daha h\u0131zl\u0131 yapmaktad\u0131r.<br \/>\nCISC mimarisinde yap\u0131lan komut derleyiciler kar\u0131\u015f\u0131k i\u015flemler olmak zorunda de\u011fildir.<\/p>\n<h3>CISC Mimarisindeki Dezavantajlar:<\/h3>\n<p>\u0130\u015flemci yap\u0131s\u0131 her ku\u015fak geli\u015fmektedir. Bu durum\u00a0<strong>i\u015flemci<\/strong>yle birlikte dahada karma\u015f\u0131k d\u00fczeye ula\u015fmas\u0131na sebep olmaktad\u0131r.<br \/>\n\u00d6zel komutlar yeterince kullan\u0131lmamakta ve gereksiz kalmaktad\u0131r. Basit bir programda \u00f6zel olarak tasarlanan komutlar\u0131n tahmini olarak yakla\u015f\u0131k %20\u2019si kullan\u0131lmaktad\u0131r.<br \/>\nBirbirinden farkl\u0131 bir \u00e7ok\u00a0 komut farkl\u0131 saat \u00e7evrimine ihtiya\u00e7 duymaktad\u0131r. Bu durum performans d\u00fc\u015f\u00fckl\u00fc\u011f\u00fc meydana getirebilir.<\/p>\n<h3>RISC Mimarisindeki Avantajlar:<\/h3>\n<p><strong>H\u0131z:<\/strong>\u00a0 Daha az komut k\u00fcmesi i\u00e7erdi\u011fi i\u00e7in h\u0131zl\u0131 \u00e7al\u0131\u015f\u0131rlar.<br \/>\n<strong>Daha basit donan\u0131m:<\/strong>\u00a0Daha basit olduklar\u0131 i\u00e7in daha az yonga i\u00e7erirler.<br \/>\n<strong>Daha h\u0131zl\u0131 \u00fcretilme:<\/strong>\u00a0\u00c7ok daha h\u0131zl\u0131 s\u00fcrede geli\u015ftirilebilirler.<br \/>\nBu yaz\u0131mda &#8220;<strong>\u0130\u015flemci Nedir<\/strong>&#8221; kategorisi alt\u0131nda <strong>i\u015flemci mimarileri<\/strong>nden bahsettim. Sitemizdeki di\u011fer makaleleri mutlaka inceleyin.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>&#8220;\u0130\u015flemci Nedir&#8221; ba\u015fl\u0131\u011f\u0131 alt\u0131nda tart\u0131\u015f\u0131lacak konulardan biri olan i\u015flemci mimarisinin \u00f6neminden bahsedece\u011fim. \u0130\u015flemcileri mimarilerine g\u00f6re de\u011ferlendirecek olursak CISC ve RISC i\u015flemciler olarak ikiye ay\u0131rabiliriz. 1. CISC (Complex Instruction Set Computer) Mimarisi: 1965 y\u0131llar\u0131 ile 1975 y\u0131llar\u0131 aras\u0131nda \u00fcretilmeye ba\u015flanan bu mimari, programlanma y\u00f6n\u00fc kolay ve ayn\u0131 zamanda olduk\u00e7a etkin bellek kullan\u0131m\u0131n\u0131 destekleyen bir \u00fcr\u00fcn\u00fcd\u00fcr. Bu [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":659,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7],"tags":[139,286,287,290,323],"class_list":["post-658","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-islemci-nedir","tag-cisc","tag-islemci-mimarileri","tag-islemci-mimarileri-nedir","tag-islemci-nedir","tag-risc"],"_links":{"self":[{"href":"https:\/\/cpukarsilastir.com\/blog\/wp-json\/wp\/v2\/posts\/658","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cpukarsilastir.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cpukarsilastir.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cpukarsilastir.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/cpukarsilastir.com\/blog\/wp-json\/wp\/v2\/comments?post=658"}],"version-history":[{"count":0,"href":"https:\/\/cpukarsilastir.com\/blog\/wp-json\/wp\/v2\/posts\/658\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cpukarsilastir.com\/blog\/wp-json\/"}],"wp:attachment":[{"href":"https:\/\/cpukarsilastir.com\/blog\/wp-json\/wp\/v2\/media?parent=658"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cpukarsilastir.com\/blog\/wp-json\/wp\/v2\/categories?post=658"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cpukarsilastir.com\/blog\/wp-json\/wp\/v2\/tags?post=658"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}