[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"doc-detail-208281-en":3,"doc-seo-208281-105":30,"detail-sidebar-cat-0-en-105":90},{"code":4,"msg":5,"data":6},0,"success",{"doc_id":7,"user_id":8,"nickname":9,"user_avatar":10,"doc_module":4,"category_id":11,"category_name":12,"doc_title":13,"doc_description":14,"doc_content":15,"file_id":16,"file_url":17,"file_type":18,"file_size":19,"view_count":4,"is_deleted":4,"is_public":20,"is_downloadable":20,"audit_status":20,"page_count":21,"language":22,"language_code":23,"site_id":24,"html_lang":23,"table_of_contents":25,"faqs":26,"seo_title":27,"seo_description":14,"update_tm":28,"read_time":29},208281,687207020761,"Oliver Hayes","https://ap-avatar.wpscdn.com/davatar_155a257f0dc6eb9ab79c44ca47cae57d",4,"Exam","GCSE Computer Science Revision Checklist - Unit 1.1 System Architecture - CPU & Fetch-Execute","Revision checklist for GCSE Computer Science Unit 1 covering core system architecture topics, including CPU purpose and function, the fetch-execute cycle, and roles of key components such as the Arithmetic Logic Unit, Control Unit, cache, and registers. Focuses on von Neumann architecture concepts, including Memory Address Register and Memory Data Register, plus program counter and accumulator usage. Includes performance impact factors like clock speed, cache size, and number of cores, and concludes with embedded systems purpose and examples.","GCSE Computer Science Revision Checklist Unit 1.1 System Architecture  \n\n| Confidence | Clarification |\n| --- | --- |\n| |  |\n|  | I can explain the purpose and function of the CPU. |\n|  |  |\n| | I can describe the fetch-execute cycle. |\n|  | I can explain what the Arithmetic Logic Unit is. |\n|  | I can explain what the Control Unit is. |\n|  | I can explain what the cache is. |\n|  | I can explain what is meant by the term register. |\n|  | I can explain what the Memory Address Register is in the context of the von Neumann architecture. |\n|  | I can explain what the Memory Data Register is in the context of the von Neumann architecture. |\n|  | I can explain what the program counter is used for. |\n|  | I can explain what the accumulator is used for. |\n|  | I can explain how the clock speed aƯects CPU performance. |\n|  | I can explain how the cache size aƯects CPU performance. |\n|  | I can explain how the number of cores aƯects CPU performance. |\n|  | I can explain the purpose of embedded systems. |\n|  | I can give examples of embedded systems. |\n\nGCSE Computer Science Revision Checklist  \nUnit 1.2 Memory and Storage Primary and secondary Storage  \n\n| \u003Cbr>\u003Cbr>Clarification\u003Cbr>\u003Cbr>\u003Cbr> I can explain the need for primary storage. |  |  |  |\n| --- | --- | --- | --- |\n| \u003Cbr>I can explain the diƯerence between RAM and ROM.\u003Cbr>\u003Cbr>\u003Cbr> I can explain the purpose of RAM in a computer system.\u003Cbr>\u003Cbr>\u003Cbr>I can explain the purpose of ROM in a computer system. |  |  |  |\n|  |  |  |  |\n|  | |  | I can explain the need for virtual memory. |\n| \u003Cbr>\u003Cbr>I can explain who virtual memory works.\u003Cbr>\u003Cbr>\u003Cbr> I can explain the need for secondary storage.\u003Cbr>\u003Cbr>\u003Cbr>\u003Cbr>I can explain common types of storage including: Optical, magnetic, solidstate. |  |  |  |\n| \u003Cbr>I can suggest suitable storage devices and media for a specific application. |  |  |  |\n| \u003Cbr>I can explain the advantages and disadvantages of diƯerent storage devices/media in relation to the following characteristic: capacity. |  |  |  |\n| \u003Cbr>I can explain the advantages and disadvantages of diƯerent storage devices/media in relation to the following characteristic: speed. |  |  |  |\n|  |  |  |  |\n|  |  |  | I can explain the advantages and disadvantages of diƯerent storage devices/media in relation to the following characteristic: portability. |\n| |  |  |  |\n|  |  |  | I can explain the advantages and disadvantages of diƯerent storage devices/media in relation to the following characteristic: durability. |\n| \u003Cbr>I can explain the advantages and disadvantages of diƯerent storage devices/media in relation to the following characteristic: reliability. |  |  |  |\n| \u003Cbr>I can explain the advantages and disadvantages of diƯerent storage devices/media in relation to the following characteristic: cost.\u003Cbr>|  |  |  |\n\nGCSE Computer Science Revision Checklist Binary conversions, Hexadecimal and Data Representation  \n\n| Confidence |  |  | Clarification |\n| --- | --- | --- | --- |\n| |  |  |  |\n|  |  |  |  |\n|  |  |  | I can explain the following units of storage: bit, nibble, byte, kilobyte, megabyte, gigabyte, terabyte, petabyte. |\n|  |  |  |  |\n|  |  |  | I can explain why data needs to be converted into a binary format to be processed by a computer. |\n| |  |  |  |\n|  |  |  | I can explain how to calculate data capacity requirements. |\n| \u003Cbr>I can explain how to convert positive denary whole numbers (0 – 255) into 8-bit binary numbers and vice versa. |  |  |  |\n| I can explain how to add two 8-bit binary integers. |  |  |  |\n|  |  |  |  |\n|  |  |  | I can explain what overflow is and why it might occur when performing binary addition. |\n| \u003Cbr>I can explain how to convert positive denary whole numbers (0 – 255) into 2-digit hexadecimal numbers and vice versa. |  |  |  |\n| \u003Cbr>I can explain how to convert binary integers into their hexadecimal equivalents and vice versa. |  |  |  |\n| \u003Cbr>\u003Cbr>I can describe the terms Most Significant Bit (MSB) and Least Significant Bit (LSB) .\u003Cbr>\u003Cbr>\u003Cbr>\u003Cbr>I can explain what","cbCaijgh0RU611xF","https://ap.wps.com/l/cbCaijgh0RU611xF","pdf",993092,1,14,"English","en",105,"# Unit 1.1 System Architecture\n## CPU purpose and function\n## Fetch-execute cycle\n## ALU, Control Unit, cache, registers\n## Von Neumann architecture registers\n## Program counter and accumulator\n## Clock speed, cache size, cores\n## Embedded systems\n# Unit 1.2 Memory and Storage\n## Primary vs secondary storage\n## RAM vs ROM\n## Virtual memory\n## Storage device types and trade-offs\n# Binary conversions, Hexadecimal and Data Representation\n## Storage units and binary conversion\n## Binary addition and overflow\n## Hexadecimal conversion\n## MSB/LSB and binary shift\n## Character encoding and character sets\n## ASCII vs Unicode\n# Digital data representations\n## Images, metadata, color depth and resolution\n## Sound sampling and audio quality","[{\"question\":\"What should learners be able to explain in Unit 1.1 System Architecture?\",\"answer\":\"Learners should explain the purpose and function of the CPU, the fetch-execute cycle, and the roles of the ALU and Control Unit. They should also cover cache, registers, and how von Neumann architecture registers relate to memory access.\"},{\"question\":\"How do clock speed, cache size, and number of cores affect CPU performance?\",\"answer\":\"The checklist requires explaining how each factor influences CPU performance. Learners should connect clock speed, cache capacity, and core count to changes in speed and overall capability.\"},{\"question\":\"What topics are covered under Memory and Storage in Unit 1.2?\",\"answer\":\"Learners review the need for primary and secondary storage, the difference between RAM and ROM, and the purpose of virtual memory. They also cover common storage types and the advantages/disadvantages of devices by characteristics like capacity, speed, portability, durability, reliability, and cost.\"}]","GCSE Computer Science Revision Checklist - Unit 1.1 System Architecture - CPU & Fetch-Execute | PDF",1788603271,35,{"code":4,"msg":31,"data":32},"ok",{"site_id":24,"language":23,"slug":33,"title":13,"keywords":34,"description":14,"schema_data":35,"social_meta":85,"head_meta":87,"extra_data":89,"updated_unix":28},"gcse-computer-science-revision-checklist-unit-11-system-architecture-cpu-fetch-execute","",{"@graph":36,"@context":84},[37,53,67],{"@type":38,"itemListElement":39},"BreadcrumbList",[40,44,48,51],{"item":41,"name":42,"@type":43,"position":20},"https://docshare.wps.com","Home","ListItem",{"item":45,"name":46,"@type":43,"position":47},"https://docshare.wps.com/document/","Document",2,{"item":49,"name":12,"@type":43,"position":50},"https://docshare.wps.com/document/exam/",3,{"item":52,"name":13,"@type":43,"position":11},"https://docshare.wps.com/document/gcse-computer-science-revision-checklist-unit-11-system-architecture-cpu-fetch-execute/208281/",{"url":52,"name":13,"@type":54,"author":55,"headline":13,"publisher":57,"fileFormat":60,"inLanguage":23,"description":14,"dateModified":61,"datePublished":61,"encodingFormat":60,"isAccessibleForFree":62,"interactionStatistic":63},"DigitalDocument",{"name":9,"@type":56},"Person",{"url":41,"name":58,"@type":59},"DocShare","Organization","application/pdf","2026-09-05",true,{"@type":64,"interactionType":65,"userInteractionCount":4},"InteractionCounter",{"@type":66},"ViewAction",{"@type":68,"mainEntity":69},"FAQPage",[70,76,80],{"name":71,"@type":72,"acceptedAnswer":73},"What should learners be able to explain in Unit 1.1 System Architecture?","Question",{"text":74,"@type":75},"Learners should explain the purpose and function of the CPU, the fetch-execute cycle, and the roles of the ALU and Control Unit. They should also cover cache, registers, and how von Neumann architecture registers relate to memory access.","Answer",{"name":77,"@type":72,"acceptedAnswer":78},"How do clock speed, cache size, and number of cores affect CPU performance?",{"text":79,"@type":75},"The checklist requires explaining how each factor influences CPU performance. Learners should connect clock speed, cache capacity, and core count to changes in speed and overall capability.",{"name":81,"@type":72,"acceptedAnswer":82},"What topics are covered under Memory and Storage in Unit 1.2?",{"text":83,"@type":75},"Learners review the need for primary and secondary storage, the difference between RAM and ROM, and the purpose of virtual memory. They also cover common storage types and the advantages/disadvantages of devices by characteristics like capacity, speed, portability, durability, reliability, and cost.","https://schema.org",{"og:url":52,"og:type":86,"og:title":13,"og:site_name":58,"og:description":14},"article",{"robots":88,"canonical":52},"index,follow",{"doc_id":7,"site_id":24},{"code":4,"msg":5,"data":91},[92,96,100,103,108,113,118,123,128,131,135],{"id":20,"doc_module":4,"doc_module_name":46,"category_name":93,"show_sort_weight":94,"slug":95},"Story & Novel",90,"story-novel",{"id":47,"doc_module":4,"doc_module_name":46,"category_name":97,"show_sort_weight":98,"slug":99},"Literature",80,"literature",{"id":11,"doc_module":4,"doc_module_name":46,"category_name":12,"show_sort_weight":101,"slug":102},70,"exam",{"id":104,"doc_module":4,"doc_module_name":46,"category_name":105,"show_sort_weight":106,"slug":107},5,"Comic",60,"comic",{"id":109,"doc_module":4,"doc_module_name":46,"category_name":110,"show_sort_weight":111,"slug":112},6,"Technology",50,"technology",{"id":114,"doc_module":4,"doc_module_name":46,"category_name":115,"show_sort_weight":116,"slug":117},7,"Healthcare",40,"healthcare",{"id":119,"doc_module":4,"doc_module_name":46,"category_name":120,"show_sort_weight":121,"slug":122},8,"Research & Report",30,"research-report",{"id":124,"doc_module":4,"doc_module_name":46,"category_name":125,"show_sort_weight":126,"slug":127},9,"Religion & Spirituality",20,"religion-spirituality",{"id":126,"doc_module":4,"doc_module_name":46,"category_name":129,"show_sort_weight":126,"slug":130},"World Cup","world-cup",{"id":132,"doc_module":4,"doc_module_name":46,"category_name":133,"show_sort_weight":132,"slug":134},10,"Lifestyle","lifestyle",{"id":136,"doc_module":4,"doc_module_name":46,"category_name":137,"show_sort_weight":104,"slug":138},19,"General","general"]