問 1
1 点A university student record system stores a student's ID number, current GPA, and enrollment status.
Which of the following is a key benefit of using a record to store this information?
Oxford AQA International A-level · Computer Science (9645)
Records：練習問題
その場で採点される選択問題 5 問と、解説つきの記述問題 2 問。すべて「Records」からの出題です。
7 問13 点無料・登録不要
問 2
1 点A software engineer decides to use an array of records rather than three separate arrays to store the ID, Latitude, and Longitude of several GPS coordinates. What is the primary advantage of this record-based approach in terms of program design?
問 3
1 点A weather station records the station name, current temperature, and time of reading.
What is a primary advantage of organizing this data as a record?
問 4
1 点A programmer is writing a simulation for a car dealership. They define a structure to hold a vehicle's registration number, mileage, and service date.
Which of the following describes an advantage of using a record for this data?
問 5
1 点An e-commerce platform needs to track customer orders, storing the order ID, total cost, and shipping status.
What is the primary advantage of defining these fields within a record?
問 6
3 点Define a record data structure and explain how it allows for the storage of heterogeneous data types, unlike a standard one-dimensional array.
まず自分で答えを書いてから、解説と照らし合わせましょう。
問 7
5 点A developer uses a record type SensorData to group 12 different real-time readings. This record is passed as a single parameter to a recursive processing subroutine.
Explain the technical impact on the stack frame and overall memory efficiency of passing this data as a single record by reference, compared to passing 12 individual \( \text{float} \) variables as separate parameters.
まず自分で答えを書いてから、解説と照らし合わせましょう。
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