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C : a computer based assisted retrieval system

The option that is used to index a paper-based filing system using a computer is computer assisted retrieval system.

What is an index method in filing?

Index is known to be a form of  ready-created method, that is often is used to reach the needed file.

An index is known to show the main point of keeping a document or file. The index a paper-based filing system using a computer is computer assisted retrieval system.

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