Cylinder Secondary memory – Operating System
| Question 91 UGC NET June-2020 Â Â Â Comprehension: Question 91-95 concerns a disk with a sector size of 512 bytes, 2000 tracks per surface. 50 sectors per track, five double-sided platters, and average seek time of 10 milliseconds. Ques -91: If one track of data can be transferred per revolution, then what is the data transfer rate? |
| A – 2,850 KBytes/second |
| B – 4,500 KBytes/second |
| C – 5,700 KBytes/second |
| D – 2,250 KBytes/second |
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| Question 92 UGC NET June-2020 Â Â Â Question 91-95 concerns a disk with a sector size of 512 bytes, 2000 tracks per surface. 50 sectors per track, five double-sided platters, and average seek time of 10 milliseconds. Ques-92: Given below are two statements: Statement I: The disk has a total number of 2000 cylinders. Statement II: 51200 bytes is not a valid block size for the disk. In the light of the above statements, choose the correct answer from the options given below: |
| A – Both Statement I and Statement II are true |
| B – Both Statement I and Statement II are false |
| C – Statement I is correct but Statement II is false |
| D – Statement I is incorrect but Statement II is true |
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| Question 93 UGC NET June-2020 Â Â Â Comprehension: Question 91-95 concerns a disk with a sector size of 512 bytes, 2000 tracks per surface. 50 sectors per track, five double-sided platters, and average seek time of 10 milliseconds. Ques-93: If T is the capacity of a track in bytes, and S is the capacity of each surface in bytes, then (T,S) = __. |
| A – (50 K, 50000 K) |
| B – (50 K, 50000 K) |
| C – (25 K, 50000 K) |
| D – (40 K, 36000 K) |
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| Question 94 UGC NET June-2020 Â Â Â Comprehension: Question 91-95 concerns a disk with a sector size of 512 bytes, 2000 tracks per surface. 50 sectors per track, five double-sided platters, and average seek time of 10 milliseconds. Ques-94: What is the capacity of the disk, in bytes? |
| A – 25,000 K |
| B – 500,000 K |
| C – 250,000 K |
| D – 50,000 K |
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| Question 95 UGC NET June-2020 Â Â Â Comprehension: Question 91-95 concerns a disk with a sector size of 512 bytes, 2000 tracks per surface. 50 sectors per track, five double-sided platters, and average seek time of 10 milliseconds. Ques-95: If the disk platters rotate at 5400 rpm (revolutions per minute), then approximately what is the maximum rotational delay? |
| A – 0.011 seconds |
| B – 0.11 seconds |
| C – 0.0011 seconds |
| D – 1.1seconds |