Which index system is used when small information is required about customers?

A. Vowel index

B. Book index

C. Strip index

D. Card index

Answer: Option C

Solution(By Examveda Team)

Strip index system is used when small information is required about customers. Strip indexing is a rarer form of indexing. Visualize a set of small strips on card stock, placed so each is visible. The strip index can hang up on a wall.