{"id":819,"date":"2024-12-05T13:00:32","date_gmt":"2024-12-05T13:00:32","guid":{"rendered":"https:\/\/pennstudiostaging.co.uk\/craig-n-dave\/?post_type=product&#038;p=819"},"modified":"2025-02-19T14:58:47","modified_gmt":"2025-02-19T14:58:47","slug":"pearson-edexcel-gcse-1cp2-slr-03-topic-2-data-representation","status":"publish","type":"product","link":"https:\/\/pennstudiostaging.co.uk\/craig-n-dave\/product\/pearson-edexcel-gcse-1cp2-slr-03-topic-2-data-representation\/","title":{"rendered":"Pearson Edexcel GCSE (1CP2) SLR 03 Topic 2 &#8211; Data representation"},"content":{"rendered":"<p>It includes:<\/p>\n<ul>\n<li><del><\/del>Student Learning Record Workbook (for use by students)<\/li>\n<li>Student Learning Record Answers (for use by teachers)<\/li>\n<li>End of Topic test and answers<\/li>\n<li>Lesson PowerPoint\u2019s for every lesson<\/li>\n<li>Any associated answers or references sheets for class activities<\/li>\n<\/ul>\n<p>This topic covers:<\/p>\n<p>2.1 Binary<\/p>\n<ul>\n<li>2.1.1 understand that computers use binary to represent data (numbers, text, sound, graphics) and program instructions and be able to determine the maximum number of states that can be represented by a binary pattern of a given length.<\/li>\n<li>2.1.2 understand how computers represent and manipulate unsigned integers and two\u2019s complement signed integers.<\/li>\n<li>2.1.3 be able to convert between denary and 8-bit binary numbers (0 \u2013 255, -127 \u2013 128).<\/li>\n<li>2.1.4 be able to add together two positive binary patterns and apply logical and arithmetic binary shifts.<\/li>\n<li>2.1.5 understand the concept of overflow in relation to the number of bits available to store a value.<\/li>\n<li>2.1.6 understand why hexadecimal notation is used and be able to convert between hexadecimal and binary.<\/li>\n<\/ul>\n<p>2.2 Data representation<\/p>\n<ul>\n<li>2.2.1 understand how computers encode characters using 7-bit ASCII.<\/li>\n<li>2.2.2 understand how bitmap images are represented in binary (pixels, resolution, colour depth).<\/li>\n<li>2.2.3 understand how analogue sound is represented in binary (amplitude, sample rate, bit depth, sample interval).<\/li>\n<li>2.2.4 understand the limitations of binary representation of data when constrained by the number of available bits.<\/li>\n<\/ul>\n<p>2.3 Data storage and compression<\/p>\n<ul>\n<li>2.3.1 understand that data storage is measured in binary multiples (bit, nibble, byte, kibibyte, mebibyte, gibibyte, tebibyte) and be able to construct expressions to calculate file sizes and data capacity requirements.<\/li>\n<li>2.3.2 understand the need for data compression and methods of compressing data (lossless, lossy).<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>This download provides you with a zip file which contains all the resources you will need to deliver this topic.<\/p>\n","protected":false},"featured_media":3296,"template":"","meta":{"_acf_changed":false,"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0},"product_brand":[],"product_cat":[60,22],"product_tag":[],"class_list":{"0":"post-819","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-pearson-edexcel-1cp2-paper-1","7":"product_cat-resources","9":"first","10":"instock","11":"downloadable","12":"virtual","13":"taxable","14":"product-type-simple"},"acf":[],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/pennstudiostaging.co.uk\/craig-n-dave\/wp-json\/wp\/v2\/product\/819","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pennstudiostaging.co.uk\/craig-n-dave\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/pennstudiostaging.co.uk\/craig-n-dave\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pennstudiostaging.co.uk\/craig-n-dave\/wp-json\/wp\/v2\/media\/3296"}],"wp:attachment":[{"href":"https:\/\/pennstudiostaging.co.uk\/craig-n-dave\/wp-json\/wp\/v2\/media?parent=819"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/pennstudiostaging.co.uk\/craig-n-dave\/wp-json\/wp\/v2\/product_brand?post=819"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pennstudiostaging.co.uk\/craig-n-dave\/wp-json\/wp\/v2\/product_cat?post=819"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pennstudiostaging.co.uk\/craig-n-dave\/wp-json\/wp\/v2\/product_tag?post=819"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}