
Hard Drive Disks
Authored by Christopher Antosy
Business
9th Grade
Used 6+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is at the heart of every hard drive?
A stack of high-speed spinning discs
A powerful microprocessor
A large solid-state memory chip
A set of advanced optical lenses
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is used to write data onto a hard drive?
Mechanical pressure
Electrical current through an electromagnet
Sound waves
Laser beams
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does each bit on a hard drive represent?
A voltage level
A sound frequency
A color
A magnetic pattern
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many bits are there in one byte?
8
2
32
16
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the areal density of a modern hard drive?
600 terabits per square inch
600 gigabits per square inch
600 megabits per square inch
600 kilobits per square inch
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What technological advancement allowed hard drives to store more data?
Use of optical storage
Use of larger discs
Introduction of solid-state drives
Thin film lithography process
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the superparamagnetic effect?
A risk of data loss due to small magnetic grain volume
A new type of magnetic material
A method to increase storage capacity
A type of magnetic interference
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