Subject
Bank Exam
Topic
Agrani Bank 2013 Officer Cash
What is the standard storage capacity of a CD-ROM disc?
What is the standard storage capacity of a CD-ROM disc?
ক)
4.7 GBখ)
9.4 GBগ)
700 MBঘ)
900 MBExplanation
✔A CD ROM is a prepressed optical compact disc that contains data. Computers can read but not write or erase CD ROM, it is a type of read-only memory. ✔Capacity: 194 MB (8 cm), 650–900 MB (12 cm) ✔Standard: ISO/IEC 10149 ✔Read mechanism: 600-780nm laser diode, 150 KB/s (1×; 150 × 210), 10,800 KB/s (72×)Related questions
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