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127. A dual-layer DVD is valued because it:
(a) Can hold more data
(b) Contains a backup of the data stored
(c) Uses a second layer to offer a speed increase
(d) Creates alternative sound tracks
| Subject Name : General Knowledge |
| Exam Name : UPSC, SSC, KVS, NVS, IBPS, RBI, SBI, RRB |
| Posts Name : Post Graduate Teacher, College Lecturer, Officer, Office Assistant, Clerk |
| General Knowledge Books |
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