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Question 90 - ECSS discussion

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A disk drive has 16.384 cylinders, 80 heads, and 63 sectors per track, and each sector can store 512 bytes of data. What is the total size of the disk?

A.

42.278.584,340 bytes

Answers
A.

42.278.584,340 bytes

B.

42.278.584,320 bytes

Answers
B.

42.278.584,320 bytes

C.

42.279,584.320 bytes

Answers
C.

42.279,584.320 bytes

D.

43,278,584,320 bytes

Answers
D.

43,278,584,320 bytes

Suggested answer: B

Explanation:

Sectors per Cylinder: Multiply heads * sectors per track: 80 * 63 = 5040 sectors/cylinder

Bytes per Cylinder: Multiply sectors per cylinder * bytes per sector: 5040 * 512 = 2,580,480 bytes/cylinder

Total Bytes: Multiply bytes per cylinder * total cylinders: 2,580,480 * 16,384 = 42,278,584,320 bytes

Explanation:

To find the total disk size, we need to calculate the storage capacity per cylinder and then multiply that by the total number of cylinders.

asked 24/10/2024
FOTIS FOURLIAS
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