Consider a (very old) disk with the following characteristics: block size B = 512 bytes. gap size G = 128 bytes. 30 sectors per track. 500 tracks per surface. 20 double-sided platters. Disk platters rotate at a speed of 2400 rpm, average seek time 30 msec, (all numbers are given as a factor of 2, i.e., KB = 2^10, MB = 2^20) a)What is the total capacity of a track? and what is its useful capacity of a track (excluding inter-block gaps) b) How many cylinders are there? c) What is the total capacity of a cylinder?

Database System Concepts
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ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
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Consider a (very old) disk with the following characteristics:

block size B = 512 bytes.
gap size G = 128 bytes.
30 sectors per track.
500 tracks per surface.
20 double-sided platters.
Disk platters rotate at a speed of 2400 rpm, average seek time 30 msec, (all numbers are given as a factor of 2, i.e., KB = 2^10, MB = 2^20)

a)What is the total capacity of a track? and what is its useful capacity of a track (excluding inter-block gaps)
b) How many cylinders are there?
c) What is the total capacity of a cylinder?

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