Question

Which is is the modern method visible index card ?
A) wheel index card
B) visible index card
C) automatics index card
D)strip index card​

Answer 1

Answer:

C is Answer...

Explanation:

please follow....

Answer 2

Wheel Indexing - It is a sort of modern method of visible indexing. Here cards are arranged about the circumference of a wheel which may be portable or set in a cabinet or desk. A single wheel can hold as many as 5,000 cards and as many as six such wheels can be set up within the easy reach ofa clerk.