TED-Ed: How do hard drives work? - Kanawat Senanan

TED-Ed: How do hard drives work? - Kanawat Senanan

Assessment

Interactive Video

Information Technology (IT), Architecture, Other, Engineering

KG - University

Hard

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Quizizz Content

FREE Resource

The video explains the evolution and mechanics of hard drives, highlighting how they store vast amounts of data using magnetic patterns on spinning disks. It discusses innovations that have increased data density, such as thin film lithography and perpendicular recording, while addressing challenges like the superparamagnetic effect. Future advancements, including heat-assisted magnetic recording and bit-patterned media, promise even greater storage capacities.

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7 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

Explain how data is written onto a hard drive.

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the significance of the aerial density in modern hard drives?

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

What advancements have allowed for increased storage capacity in hard drives?

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4.

OPEN ENDED QUESTION

3 mins • 1 pt

Discuss the impact of Moore's law on storage capacity and processing power.

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5.

OPEN ENDED QUESTION

3 mins • 1 pt

Describe the superparamagnetic effect and its implications for hard drive technology.

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6.

OPEN ENDED QUESTION

3 mins • 1 pt

How does heat-assisted magnetic recording improve hard drive performance?

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7.

OPEN ENDED QUESTION

3 mins • 1 pt

What role do engineers and scientists play in the development of hard drive technology?

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