More Questions from Database Systems

In information systems terminology, what is the best description of a computer file from a data-organization perspective?

Computer Science Database Systems Difficulty: Easy
Choose an option
  • A
    a single data item
  • B
    a general collection of data items
  • C
    an orderly collection of data items
  • D
    a random collection of data items
  • E
    None of the above

Answer

Correct Answer: an orderly collection of data items

Explanation

Introduction / Context: Files are fundamental storage units recognized by operating systems and applications. Understanding how to characterize a file helps in discussing structure, access methods, and integrity in both traditional and modern systems.

Given Data / Assumptions:

  • A file groups related data for storage and retrieval.
  • Orderly does not necessarily mean sorted; it means structured according to a format.
  • We contrast “orderly” with a random, unstructured aggregation.

Concept / Approach: A computer file is an orderly collection of data items arranged according to a defined format or schema (e.g., records, delimited lines, JSON objects, binary structures). This organization enables programs to parse, validate, and process contents predictably. A single data item is too granular to be called a file, and a random collection lacks the structure that software depends upon for reliable operation.

Step-by-Step Solution:

Recognize that files encapsulate structure (headers, records, fields). Reject “single data item” as too narrow. Reject “random collection” as lacking format and predictability. Choose “an orderly collection of data items.”

Verification / Alternative check: File format specifications (CSV, Parquet, PDF) define order and structure so tools can read and write them consistently, aligning with this description.

Why Other Options Are Wrong:

  • Single data item: could be a tiny file, but definitionally a file implies a container of organized bytes.
  • General collection: too vague; does not stress structure.
  • Random collection: contradicts the idea of a defined format.
  • None: incorrect because a clear definition exists.

Common Pitfalls: Confusing file organization with sorting; assuming “orderly” implies ascending order rather than structured format.

Final Answer: an orderly collection of data items

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