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Computer Science GCES AQA
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Representing Algorithms Aqa4 主题
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Efficiency Of Algorithms Aqa1 主题
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Searching Algorithms Aqa3 主题
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Sorting Algorithms Aqa3 主题
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Data Types Aqa1 主题
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Programming Concepts Aqa5 主题
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Arithmetic Relational And Boolean Operations Aqa1 主题
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Data Structures Aqa3 主题
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String Manipulation Aqa1 主题
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Random Number Generation Aqa1 主题
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Structured Programming Aqa2 主题
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Robust And Secure Programming Aqa4 主题
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Number Bases Aqa2 主题
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Converting Between Number Bases Aqa3 主题
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Units Of Information Aqa9 主题
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Hardware And Software Aqa4 主题
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Boolean Logic Aqa3 主题
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Programming Languages And Translators Aqa2 主题
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Cpu Architecture Performance And Embedded Systems Aqa4 主题
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Memory Aqa2 主题
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Secondary Storage Aqa3 主题
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Fundamentals Of Computer Networks Aqa8 主题
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Fundamentals Of Cyber Security Aqa1 主题
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Methods Of Preventing Cyber Security Threats Aqa1 主题
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Relational Databases Aqa2 主题
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Ethical Legal And Environmental Impacts Aqa2 主题
课 8,
主题 3
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Records Aqa
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Exam code:8525
Records
What is a record?
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A record is a way to group together different types of data about one item
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It is a custom structure , it stores multiple related fields all in one place
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Unlike an array (which only stores one type of data), a record can store different types (like strings, numbers, and decimals) in the same structure
Examiner Tips and Tricks
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Records in programming are a type of data structure used to group related data in your code
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These are not the same as records in a database, which refer to a complete set of fields on a single entity in a table (row)
Example: A car record
RECORD Car make : String model : String reg : String price : Real noOfDoors : Integer
ENDRECORD-
This record structure groups together all the information about one car
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Each field has a name and a data type
DECLARE myCar : Car myCar.make ← "Toyota"
myCar.model ← "Yaris"
myCar.reg ← "AB12 XYZ"
myCar.price ← 5995.99
myCar.noOfDoors ← 5-
myCaris one instance of theCarrecord -
You can access each field using dot notation (e.g.
myCar.make)
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