A Level Computer Science OCR Practice Exam

What does segmentation in data management focus on?

1. Fixed-size data storage

2. Dynamic size adjustments

3. Compression of data

4. Encryption of stored data

The correct answer is: Fixed-size data storage

Segmentation in data management primarily focuses on breaking down data into smaller, more manageable pieces or segments. This approach allows for more efficient data organization and retrieval, which is particularly beneficial in systems that need to manage large sets of data. While fixed-size data storage might be one way to implement segmentation, the broader concept actually emphasizes dynamic management. Segmentation often involves allowing various sizes of segments based on the data type and usage patterns, facilitating more flexible storage solutions and optimizing performance for data operations. Moreover, compression and encryption are techniques aimed at enhancing data security and reducing storage costs, but they do not directly relate to the concept of segmentation itself. Segmentation is specifically about structuring data in a way that enhances efficiency in processing and accessing the data rather than just focusing on storage size or security features. Therefore, recognizing that segmentation can involve variable sizing as per requirements rather than strictly fixed sizes highlights the importance of adaptability in data management systems.