What material was traditionally used as a substrate in magnetic disks?

LZT4C_522

Quiz
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Computers
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University
•
Medium
Dr Zaini
Used 2+ times
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31 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Glass
Silicon
Aluminum or aluminum alloy
Copper
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is NOT a benefit of glass substrates in magnetic disks?
Improved magnetic film surface uniformity
Reduced weight compared to aluminum
Better resistance to shock and damage
Support for lower fly heights
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary mechanism used to write data onto a magnetic disk?
Laser beam engraving
Conducting coil (write head) producing a magnetic field
Pressing patterns onto the disk surface
Electrical pulses generating heat
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which type of read head is used in contemporary rigid disk systems?
Single head for both reading and writing
Magnetoresistive (MR) sensor-based read head
Optical read head
Magnetic tape read head
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary advantage of using Constant Angular Velocity (CAV) for disk rotation?
Higher data density on inner tracks
Direct addressing of data blocks by track and sector
Faster data transfer speeds
Increased storage capacity
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of dividing a disk surface into multiple zones in Multiple Zone Recording (MZR)?
To reduce manufacturing costs
To maximize storage capacity by approximating equal bit density per track
To improve rotational speed
To allow for single-sided disk usage
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which sector format improvement is introduced in the Advanced Format standard?
Increased sector size to 4096 bytes
Reduced ECC requirements
Elimination of control data
Increased gap between sectors
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