{"id":1120,"date":"2021-07-20T08:59:26","date_gmt":"2021-07-20T08:59:26","guid":{"rendered":"https:\/\/www.wikitechy.com\/interview-questions\/?p=1120"},"modified":"2021-09-08T12:02:15","modified_gmt":"2021-09-08T12:02:15","slug":"difference-between-32-bit-and-64-bit-architecture","status":"publish","type":"post","link":"https:\/\/www.wikitechy.com\/interview-questions\/operating-system\/difference-between-32-bit-and-64-bit-architecture\/","title":{"rendered":"Difference between 32 bit and 64 bit architecture ?"},"content":{"rendered":"
\n
\n

Difference between 32 bit and 64 bit architecture ?<\/h2>\n<\/div>\n<\/div>\n
\n
\n\n\n\n\n\n\n\n\n\n\n
32 bit architecture<\/th>\n64 bit architecture<\/th>\n<\/tr>\n
32-bit architecture is based on registers, address
\nor data buses 32 bits (4 octets) wide.For software,
\n32-bit typically means use of 32-bit linear address space.<\/td>\n		64-bit architecture is based on registers, address or data buses 64 bits (8 octets) wide. For software, 64-bit means code use with 64-bit virtual memory addresses.<\/td>\n<\/tr>\n
32-bit systems are limited to 3.2
\nGigabytes (GB) of RAM 32 bit Windows
\nwith address limitation do not attain to a full 4GB.
\nIt\u2019s hardware dependent, typically 3.25GB.<\/td>\n		64-bit systems allow up to 17 Billion GB of RAM.<\/td>\n<\/tr>\n
A computer 32-bit processor cannot have
\na 64-bit version of an operating system installed.
\nAn operating system installed only have a 32-bit version.<\/td>\n		64-bit processor in a computer can be access to 64-bit or 32-bit version of an operating system to be installed.<\/td>\n<\/tr>\n
Less RAM access, less memory,
\nless efficiency, fewer security features<\/td>\n		More RAM access ,More efficiency ,
\nMore virtual memory allocation , More security features<\/td>\n<\/tr>\n
32-bit operating systems (OS) and
\napplications required as 32-bit CPUs.<\/td>\n		64-bit OS requires 64-bit CPU, and 64-bit applications.<\/td>\n<\/tr>\n
Fewer Issues<\/td>\nLegacy issues<\/td>\n<\/tr>\n
All editions of Windows 8, Windows 7, Windows Vista,
\nand Windows XP, Linux are the available system
\nfor 32 bit processor.<\/td>\n		XP Professional, Windows Vista, Windows 7, Windows 8, as well as Mac OS X and Linux are the available systems for 64 bit processor.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n
\n
\"<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

Answer : 32-bit architecture is based on registers, address…<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7762],"tags":[7955,7966,7947,7945,7954,7952,7944,7946,7956,7961,7943,195,201,15897,491,360,5937,368,7953,203,199,214,209,205,7959,7963,7965,7958,7948,7949,7951,7960,7950,7942,7964,7967,222,484,362,196,212,213,207,366,361,204,7799,367,206,975,200,197,280,364,7962,7957],"class_list":["post-1120","post","type-post","status-publish","format-standard","hentry","category-operating-system","tag-32-64-bit","tag-32-bit-and-64-bit","tag-32-bit-and-64-bit-os-comparison","tag-32-bit-processor-meanswhich-is-better-32-bit-or-64-bit","tag-32-bit-vs-64-bit","tag-32-bit-vs-64-bit-application-performance","tag-32-bit-vs-64-bit-programs","tag-32-bit-vs-64-bit-windows-1064-bit-processor-list","tag-32-or-64-bit-windows-10","tag-32-vs-64-bit","tag-64-bit-processor-means","tag-accenture-interview-questions-and-answers","tag-allstate-solutions-pvt-ltd-interview-questions-and-answers","tag-apostek-software-interview-questions-and-answers","tag-applied-materials-interview-questions-and-answers","tag-atos-interview-questions-and-answers","tag-aveva-software-interview-questions-and-answers","tag-bmc-software-interview-questions-and-answers","tag-can-i-run-32-bit-programs-on-a-64-bit-computer32-or-64-bit-windows-1064-bit-x86","tag-capgemini-interview-questions-and-answers","tag-casting-networks-india-pvt-limited-interview-questions-and-answers","tag-cgi-group-inc-interview-questions-and-answers","tag-collabera-technologies-interview-questions-and-answers","tag-dell-international-services-india-pvt-ltd-interview-questions-and-answers","tag-difference-between-32-and-64-bit","tag-difference-between-32-and-64-bit-os","tag-difference-between-32-and-64-bit-windows","tag-difference-between-32-bit-and-64-bit","tag-difference-between-32-bit-and-64-bit-architecture","tag-difference-between-32-bit-and-64-bit-linux","tag-difference-between-32-bit-and-64-bit-operating-system","tag-difference-between-32-bit-and-64-bit-os","tag-difference-between-32-bit-and-64-bit-processor","tag-difference-between-32-bit-and-64-bit-programs","tag-difference-between-32-bit-and-64-bit-windows","tag-difference-between-64-bit-and-32-bit-os","tag-flipkart-interview-questions-and-answers","tag-genpact-interview-questions-and-answers","tag-hcl-technologies-interview-questions-and-answers","tag-ibm-interview-questions-and-answers","tag-indecomm-global-services-interview-questions-and-answers","tag-infosys-technologies-interview-questions-and-answers","tag-mphasis-interview-questions-and-answers","tag-netapp-interview-questions-and-answers","tag-opentext-technologies-interview-questions-and-answers","tag-oracle-corporation-interview-questions-and-answers","tag-prokarma-sof-interview-questions-and-answers","tag-rbs-india-development-centre-pvt-ltd-interview-questions-and-answers","tag-sap-labs-india-pvt-ltd-interview-questions-and-answers","tag-tata-consultancy-service-interview-questions-and-answers","tag-tech-mahindra-interview-questions-and-answers","tag-unitedhealth-group-interview-questions-and-answers","tag-virtusa-consulting-services-pvt-ltd-interview-questions-and-answers","tag-wells-fargo-interview-questions-and-answers","tag-what-is-the-difference-between-32-bit-and-64-bit","tag-windows-32-bit-vs-64-bit"],"yoast_head":"\nDifference between 32 bit and 64 bit architecture ? - Operating System<\/title>\n<meta name=\"description\" content=\"Difference between 32 bit and 64 bit architecture ? - A 32-bit operating system uses 32-bit addresses. 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