puter-science/aqa/questions","basePath":"/gcse/computer-science/aqa/character-encoding/questions","formulaUrl":null,"initialIndex":6,"initialQuestionWindow":[{"id":"837573aa-c598-46e3-b2d1-edebf9450850","revisionId":"6cd914f7-539b-4dc8-9beb-964352ddbd21","questionNumber":null,"questionType":"LA","specification":"An international banking group is designing a high-throughput ledger database to record cross-border wire transfers. The system needs to store depositor names and currency symbols from operations in Tokyo, Riyadh, London, and Athens. The systems architecture team decides to implement Unicode rather than standard 7-bit ASCII for storing all text-based transaction data.","difficulty":3,"difficultyBand":"easy","totalMarks":2,"sourceTitle":null,"calculatorUse":null,"parts":[{"id":"c59dce89-0f81-4461-95e9-f0c9e0b8719a","label":null,"content":"State **two** distinct advantages of using Unicode instead of ASCII for this financial system.","markscheme":"- Mentions that Unicode can represent non-Latin writing systems/alphabets (e.g. Japanese Kanji, Arabic, or Greek characters) needed for global depositor names, which are unsupported by standard 7-bit ASCII B1\n- Mentions that Unicode can represent a wider range of currency symbols (such as the Yen ¥) and mathematical/financial symbols not present in the standard ASCII character set B1\n- Mentions that Unicode provides a single, unified encoding standard across all regional branches, eliminating the risk of data corruption or translation errors caused by conflicting legacy character sets/code pages B1","marks":2,"order":0,"markingRubric":null,"explanation":null,"options":[]}],"options":[],"explanation":null,"firstAttemptFullMarks":null},{"id":"9067bfc0-cf26-43f4-bbed-54cf6dfa1be4","revisionId":"ada9a55f-b455-4c71-aef1-0ff779163dd4","questionNumber":null,"questionType":"LA","specification":"An international online retailer is developing a global customer database.","difficulty":3,"difficultyBand":"easy","totalMarks":1,"sourceTitle":null,"calculatorUse":null,"parts":[{"id":"026c9765-8b41-4004-97bf-a8eb2fe44208","label":null,"content":"State one reason why the system developers should choose to use Unicode rather than 7-bit ASCII to store customer names.","markscheme":"- States a valid reason, e.g. Unicode has a larger character set, can represent characters from non-English languages, or allows names with accents/umlauts to be stored and displayed correctly B1","marks":1,"order":0,"markingRubric":null,"explanation":null,"options":[]}],"options":[],"explanation":null,"firstAttemptFullMarks":null},{"id":"90765897-48c1-455d-8379-0926cd7f7adc","revisionId":"b41c9860-85c4-4a09-8b42-bfd6812ac6ae","questionNumber":null,"questionType":"LA","specification":"The ASCII value for the lowercase character **h** is the decimal number 104.","difficulty":2,"difficultyBand":"easy","totalMarks":2,"sourceTitle":null,"calculatorUse":null,"parts":[{"id":"593d33cd-2af3-4001-a895-9524c24e9a04","label":null,"content":"Complete the table with the missing ASCII and Unicode (decimal) values.\n\n| Character | ASCII value | Unicode (decimal) value |\n| :--- | :--- | :--- |\n| **f** | | |\n| **g** | | |\n| **h** | 104 | |\n| **i** | | |","markscheme":"- Correctly completes all missing ASCII values: **f** = 102, **g** = 103, and **i** = 105 B1\n- Correctly completes all missing Unicode (decimal) values: **f** = 102, **g** = 103, **h** = 104, and **i** = 105 B1","marks":2,"order":0,"markingRubric":null,"explanation":null,"options":[]}],"options":[],"explanation":null,"firstAttemptFullMarks":null}],"subjectCode":"gcse_computer_science__aqa","summaries":[{"id":"11248608-b0dd-4180-8710-1c876af45524","difficultyBand":"easy","calculatorUse":null},{"id":"2e0fb082-8265-4711-8d7c-d584135c84ab","difficultyBand":"medium","calculatorUse":null},{"id":"40b1413d-a269-4998-8ead-ed9ec7de95d9","difficultyBand":"easy","calculatorUse":null},{"id":"58eb5f31-8965-4566-b038-76931a3b4764","difficultyBand":"easy","calculatorUse":null},{"id":

Character encoding

Question 6

Character encoding Questions

Character encoding

Question 6

Character encoding Questions