True or False: 1. T/F – The underlying substrate in the magnetic disc is non-mag

Question

True or False:

1. T/F – The underlying substrate in the magnetic disc is non-magnetic.
2. T/F – Bits of data are written and read using a magnetic coil.
3. T/F – Electric patterns that pass through the coil decides whether the bit is positive or negative.
4. T/F – The size of the head is equal to the gap size between tracks to help read/write.
5. T/F – The time it takes to read the tracks closer to the center of the disk is lesser than the tracks near the circumference.
6. T/F – Multiple zone layout helps in maintaining constant access speed for all sectors in the track.
7. T/F – Disks can be magnetized on both sides to increase the number of bits that can be stored.
8. T/F – Rotational positional sensing is used to enable better control over the read/write ports.
9. T/F – RAID is a set of virtual disk drives that the operating system sees as one single disk.
10. T/F – RAID enables simultaneous access of data from different drives.
11. T/F – Like magnetic disks, CDs can also be made to store data on both sides.
12. T/F – The tape drive is a direct access memory type.
13. T/F – Phase change disks are a form of magnetic disks.
14. T/F – The principle disadvantage of RAID level 1 is its cost.
15. T/F – The set of all sectors relative to a platter is termed as a cylinder.
16. T/F – Except floppy disks, other disks can rotate at a minimum speed of 3600 rpm.

Explanation / Answer

1F 2F 3T 4T 5T 6T 7T 8T 9F 10F 11T 12T 13T 14F 15T 16T

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