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Recent questions tagged disk

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Best Open Video Playlist for Disks Topic | Operating Systems
Please list out the best free available video playlist for Disks from Operating Systems as an answer here (only one playlist per answer). We'll then select the best playlist and add to GO classroom video lists. You can add ... but standard ones are more likely to be selected as best. For the full list of selected videos please see here

makhdoom ghaya asked in Study Resources Aug 20, 2022

by makhdoom ghaya

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Nptel assignment
A manufacturer wishes to design a hard disk with a capacity of 30 GB or more (using the standard definition of 1GB = 2^30 bytes). If the technology used to manufacture the disks allows 1024-byte sectors, 2048 sectors/track, and 4096 tracks/platter, how many platters are required? (Assume a fixed number of sectors per track.) 1)3 2)5 3)4 4)2

Vaishnavi Gadhe asked in CO and Architecture Jun 1, 2022

by Vaishnavi Gadhe

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#COA #Disk
Consider a disk which has 64 tracks , in every track there are 1024 sectors , each sector has 2048 B . The disk is moving with 3000 RPM . Let the avg seek time is 10 ms and it is required to read a file of 64KB which was placed in outer track ... sector onwards . The current position of read/write head is 16th sector of inner track. What is the time taken to complete disk read operation?

Manisha Jaishwal asked in CO and Architecture May 22, 2022

by Manisha Jaishwal

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NIELIT 2022 April Scientist B | Section B | Question: 45
Consider a hard disk with $16$ recording surfaces $(0-15)$ having $16384$ cylinders $(0-16383)$ and each cylinder contains $64$ sectors $(0-63).$ Data storage capacity in each sector is $512$ bytes. Data are organized cylinder-wise and ... of the last sector of the file, if it is stored in a contiguous manner? $1281$ $1282$ $1283$ $1284$

soujanyareddy13 asked in Others Apr 12, 2022

by soujanyareddy13

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Live Test Series Live: Applied
We are given a hard disk of 500 GB. The performance details are : 5000 RPM rotation rate 200 cylinders, numbered from 1 to 200 Takes 1 + (n/20) milliseconds to move heads across n cylinders (e.g., from i to i + n). A ... the head travels half the cylinders and half a revolution. The average time taken to read a 1MB block from the hard disk is__? Need help.

ramakrushna asked in CO and Architecture Dec 22, 2021

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Applied Test Series
Consider a disk with a sector size of 512 bytes, 1000 tracks per surface, 25 sectors per track, 5 double-sided platters, and average seek time of 10 msec. The capacity of tracks in bytes is _____ KB

LRU asked in Operating System Oct 20, 2021

by LRU

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UGC NET CSE | October 2020 | Part 2 | Question: 17
Suppose you have a Linux file system where the block size is $2K$ bytes, a disk address is $32$ bits, and an $i-$node contains the disk addresses of the first $12$ direct blocks of file, a single indirect block and a double indirect ... is the largest file that can be represented by an $i-$node? $513$ Kbytes $513$ MBytes $537$ Mbytes $537$ KBytes

go_editor asked in Operating System Nov 20, 2020

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UGC NET CSE | October 2020 | Part 2 | Question: 91
The question given below: concern 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. If $T$ is the capacity of a track in bytes, and $S$ is the ... $(50 K, 50000 K)$ $(25 K, 25000 K)$ $(25 K, 50000 K)$ $(40 K, 36000 K)$

go_editor asked in Operating System Nov 20, 2020

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UGC NET CSE | October 2020 | Part 2 | Question: 92
The question given below: concern 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. What is the capacity of the disk, in bytes? $25,000 K$ $500,000 K$ $250,000 K$ $50,000 K$

go_editor asked in Operating System Nov 20, 2020

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UGC NET CSE | October 2020 | Part 2 | Question: 93
The question given below: concern 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. Given below are two statements: ... false Statement $I$ is correct but Statement $II$ is false Statement $I$ is incorrect but Statement $II$ is true

go_editor asked in Operating System Nov 20, 2020

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UGC NET CSE | October 2020 | Part 2 | Question: 94
The question given below concern 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 $10$ ... approximately what is the maximum rotational delay? $0.011$ seconds $0.11$ seconds $0.0011$ seconds $1.1$ seconds

go_editor asked in Operating System Nov 20, 2020

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UGC NET CSE | October 2020 | Part 2 | Question: 95
The question given below concern 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. If one track of data can be transferred ... data transfer rate? $2,850$ KBytes/second $4,500$ KBytes/second $5,700$ KBytes/second $2,250$ KBytes/second

go_editor asked in Operating System Nov 20, 2020

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NTANET 2020(Disk)

Sanjay Sharma asked in CBSE/UGC NET Nov 17, 2020

by Sanjay Sharma

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NIELIT 2016 MAR Scientist C - Section C: 26
The seek time of a disk is $30$ ms. It rotates at the rate of $30$ rotations/second. The capacity of each track is $300$ words. The access time is (approximately) $62$ ms $60$ ms $50$ ms $47$ ms

Lakshman Patel RJIT asked in Operating System Apr 2, 2020

by Lakshman Patel RJIT

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NIELIT 2017 OCT Scientific Assistant A (IT) - Section B: 26
Which level of RAID refers to disk mirroring with block striping? RAID level $1$ RAID level $2$ RAID level $0$ RAID level $3$

Lakshman Patel RJIT asked in CO and Architecture Apr 1, 2020

by Lakshman Patel RJIT

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NIELIT 2017 OCT Scientific Assistant A (CS) - Section C: 1
Which level of RAID refers to disk mirroring with block striping? RAID level $1$ RAID level $2$ RAID level $0$ RAID level $3$

Lakshman Patel RJIT asked in CO and Architecture Apr 1, 2020

by Lakshman Patel RJIT

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NIELIT 2017 DEC Scientific Assistant A - Section B: 23
A $3.5$ inch micro floppy high density disk contains the data _________ . $720 \: MB$ $1.44 \: MB$ $720 \: KB$ $1.44 \: KB$

Lakshman Patel RJIT asked in CO and Architecture Mar 31, 2020

by Lakshman Patel RJIT

722 views

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NIELIT 2016 MAR Scientist B - Section C: 8
When we move from the outermost track to the innermost track in a magnetic disk, then density(bits per linear inch) increases. decreases. remains the same. either remains constant or decreases.

Lakshman Patel RJIT asked in Operating System Mar 31, 2020

by Lakshman Patel RJIT

937 views

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Recent questions tagged disk