Tuesday, 4 February 2020

What is File-based System? What are its advantages and disadvantages?

File-based System

Meaning
- A collection of application programs that have specific purposes

Characteristics
- Dependent on the user or the department that wants to use it
- Each department develops its own file system application



Advantages
- It can take faster and automatic back-up of database stored in files of computer-based systems.
- It can store data compactly.
- Computer-based systems provide enhanced data retrieval techniques to retrieve data stored in files easily.
- It is easy to edit any information stored in computers in form of files.
- Data stored in files of computer-based systems can be shared among multiple users at a same time.
- It is more efficient than a manual record processing.

Disadvantages
Aspects
Explanation
1) Data Isolation
There is no relationship between two separated files
2) Data Redundancy
Same data is held by different programs
3) File Incompatibility
File Format normally depends on programming language being used
4) File Dependence
File structure normally depends on programming code
5) Fixed Queries of Application Program
Programs are written to satisfy particular functions and any new requirement needs a new program
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