A. एक समय में केवल एक फ़ाइल
B. एक बार में कई फाइलें
C. एक बार में केवल दो फाइलें
D. इनमे से कोई भी नहीं

Solution

A. Only one file at a time

Explanation

<p><span style="font-size: 14px;">A File Management System (FMS) is designed to work with individual files.</span></p><p><span style="font-size: 14px;">It typically accesses records from one file at a time, unlike a Database Management System (DBMS), which can access data from multiple files/tables simultaneously using queries.</span></p>