NIELIT O Level Exam

Which of the following cannot be used to back up files?

Which of the following cannot be used to back up files?

फ़ाइलों का बैकअप लेने के लिए निम्नलिखित में से किसका उपयोग नहीं किया जा सकता है?

A. External HDD

B. USB drive

C. Optical disc Optical Disc

D. RAM




Correct Answer is :

D. RAM



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