Select the false statements: A. ‘CD’ is an example of an optical device. B.…
2025
Select the false statements:
A. ‘CD’ is an example of an optical device.
B. ‘Floppy’ is an example of a magnetic device.
C. ‘Pen drive’ is an example of a magnetic state device.
D. ‘Memory card’ is an example of a crystal state device.
Choose the correct answer from the options given below:
- A.
Only A and B
- B.
Only C and D
- C.
Only B and D
- D.
Only B and C
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Correct answer: B
CD is optical, Floppy is magnetic. Pen drive and Memory card use flash memory, not magnetic or crystal state. Thus C and D are false.