Concept of Computer Files
Computer Studies · 50 practice questions
Basic terms (file, record, field, data item) and the relationship among file structure items (data item, field, record, file, database); basic data types (numeric, alphabetic, alphanumeric); file organization methods (serial, sequential, index, random) and methods of accessing files; file classifications (master, transaction, reference); criteria for classifying files (nature of content, organization method, storage medium, date, size).
- Define basic file-related terms and explain the relationship among file structure items.
- Classify files according to organization and access method.
- Classify files into master, transaction and reference types.
- Explain the criteria used in classifying files.
Try a few questions
- Practice question 1
A file's organization method affects how efficiently its records can be
- A.disconnected from the computer's power supply
- B.physically printed onto paper
- C.converted into an audio recording
- D.accessed, updated, or searched
Show the answer
D. accessed, updated, or searched
The chosen organization method has a direct impact on how quickly and easily records can be worked with.
- Practice question 2
Accessing a file sequentially means reading through its records in the order they are stored, from
- A.the beginning
- B.no defined starting point at all
- C.the very end of the file only
- D.a randomly selected point only
Show the answer
A. the beginning
Sequential access requires reading records in their stored order, starting right from the beginning.
- Practice question 3
Numeric data types store values that consist only of numbers, used primarily for
- A.storing a graphics image exclusively
- B.storing an audio recording exclusively
- C.storing a person's name exclusively
- D.calculations
Show the answer
D. calculations
Numeric data types are specifically intended for values that will be used in mathematical calculations.
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