GATE 2024 CS (CS1) – Question 54
Consider a 512 GB hard disk with 32 storage surfaces. There are 4096 sectors per track and each sector holds 1024 bytes of data. The number of cylinders in the hard disk is _________
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Correct answer: 4096
Explanation
Capacity = cylinders × 32 × 4096 × 1024 bytes = 2^39. So cylinders = 2^39 / (2^5 · 2^12 · 2^10) = 2^12 = 4096.