A. कॉम्पैक्टेबल रीड ओनली मेमोरी
B. कॉम्पैक्ट डेटा रीड ओनली मेमोरी
C. कॉम्पैक्टेबल डिस्क रीड ओनली मेमोरी
D. कॉम्पैक्ट डिस्क रीड ओनली मेमोरी

Solution

D. Compact Disk Read Only Memory

Explanation

There are no objects with the name as in other options. CD-ROM is a non-volatile optical data storage medium using the same physical format as audio compact disk, readable by a computer with a CD-ROM drive. The standard 12 cm diameter CD-ROM store about 660 megabytes.