Ch. 3 IGCSE ICT
10 Questions
| Total Attempts: 476
Storage Devices and Media
Questions and Answers
- 1.Write an advantage of magnetic tape over magnetic disk.
- 2.Type of access used by Magnetic disk
- A.
Serial
- B.
Direct
- 3.Which is not the advantage of blu ray disk over DVD?
- A.
It uses blue laser
- B.
Birefringence
- C.
Secure encryption
- D.
Relatively expensive
- 4.Magnetic tapes cannot be used for real time processing as it's data .......................... time is very slow.
- 5..................................... Refers to the copying of files to a different medium incase of a problem with the main secondary storage device.
- 6.CD RW is the best media to distribute free software .
- A.
True
- B.
False
- 7.Which storage device should be used to store a high definition movie of two hours needing storage capacity of 25 GB.
- A.
Blu-ray disc
- B.
DVD
- C.
Hard Disk
- D.
CD
- 8.How does the laser wavelength affect the storage capacity of a media?
- A.
Shorter the wavelength lesser the storage capacity
- B.
Shorter the wavelength greater the storage capacity
- C.
Does not matter
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