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Recent questions tagged file-system

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File organisation and indexing (DBMS)

Suryadip asked in Databases Mar 9

67 views

5 votes

1 answer

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GO Classes Test Series 2024 | Mock GATE | Test 13 | Question: 20
Suppose we have a multi-level index file system, and this file system has $512$ Bytes blocks, inodes with $3$ direct, $1$ single-indirect, $2$ double-indirect, and $1$ triple-indirect pointer, and $64$-bit block ... inode requires the first single-indirect block number be used? $1536$ Bytes $1537$ Bytes $512$ Bytes $1500$ Bytes

GO Classes asked in Operating System Jan 28

547 views

1 vote

1 answer

3

Made Easy
Amy and Bob are working on a project vehicle rental system, they have a file consisting of 10000 records, having block size 1024 bytes, record size 100 bytes. Search key size 9 bytes, pointer 7 bytes. They want to implement single level indexing. ... dense index, however Amy suggested to implement sparse index. How many blocks are saved by Amy considering only 1st level index ________?

suvasish114 asked in Databases Dec 9, 2023

427 views

13 votes

2 answers

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GATE CSE 2023 | Question: 52
Consider a database of fixed-length records, stored as an ordered file. The database has $25,000$ records, with each record being $100$ bytes, of which the primary key occupies $15$ bytes. The data file is block-aligned in that each data ... required to identify the block in the data file that may contain a record with the key, in the worst case, is _____________.

admin asked in Databases Feb 15, 2023

by admin

11.5k views

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5

Operating System
Which of the following is correct? 1)In acyclic-graph directory, a file can have two different relative path name, but not two different absolute path name. 2)A dangling pointer possible for a file in tree-structured directories. 3)If Access Control List (ACL) ... directory, then size of a directory entry (with attributes) will be variable. 4)None of the above Answer given is 3

Overflow04 asked in Operating System Dec 16, 2022

465 views

2 votes

1 answer

6

unacademy aimt 2023 mock 1
A floppy disk has 40 cylinders. When storing a file on the floppy disk, the operating system (probably the floppy device driver) often attempts to put the blocks of the file in cylinders that are close to one another (if this can be ... seconds per cylinder moved, the rotational latency is 20 milli-seconds on average, and the transfer time is 15 milliseconds per block?

sat0503 asked in Operating System Dec 4, 2022

421 views

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0 answers

7

File System, Operating System
In case of Indexed Allocation Technique in File System of OS does the last address of the index file actually points to the address of the next Index file. If so then should we remove 1 from the total number of addresses possible in ... concept where this last address of the Index file is also considered while calculating the File Size. Can someone please clarify?

royS96 asked in Operating System Oct 24, 2022

by royS96

334 views

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0 answers

8

Best Open Video Playlist for File Systems Topic | Operating Systems
Please list out the best free available video playlist for File Systems 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. ... 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

231 views

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What is stream in c programming ?
What is stream in c programming ? as i read file io in c programming so thats where i read “stream” word so what stream means ? thank you

ykrishnay asked in Programming in C May 20, 2022

371 views

29 votes

2 answers

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GATE CSE 2022 | Question: 53
Consider two files systems $\text{A}$ and $\text{B}$, that use contiguous allocation and linked allocation, respectively. A file of size $100$ blocks is already stored in $\text{A}$ and also in $\text{B}$. Now, consider inserting a new block in the middle of ... $\text{B}$ are $n_{A}$ and $n_{B}$, respectively, then the value of $n_{A} + n_{B}$ is__________________.

Arjun asked in Operating System Feb 15, 2022

by Arjun

9.6k views

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0 answers

11

#CSPC 2019 #OS 3rd edition
Given 1GB USB pen drive which is now formatted using i-node, assuming 32-bit addressing with 1Kbytes blocks with 4 bytes per block pointer. What is maximum file size the file system can store on the disk?

lc1234 asked in Operating System Jan 16, 2022

by lc1234

199 views

2 votes

1 answer

12

Applied Test Series
A disk drive has 5000 cylinders, numbered 0 to 4999. The drive is serving a request at cylinder 143 currently and the previous request was at 125. The disk I/O queue, in FIFO order, is 86, 1470, 913, 1774, 948, 1509, 1022, 1750, 130 ... the current head position, what is the total distance (in cylinders) that the disk arm moves to satisfy all the pending requests, for SCAN?

LRU asked in Operating System Dec 28, 2021

by LRU

4.0k views

19 votes

1 answer

13

GATE CSE 2021 Set 1 | Question: 15
Consider a linear list based directory implementation in a file system. Each directory is a list of nodes, where each node contains the file name along with the file metadata, such as the list of pointers to the data blocks. Consider a given directory ... $\textsf{foo}$ Renaming of an existing file in $\textsf{foo}$ Opening of an existing file in $\textsf{foo}$

Arjun asked in Operating System Feb 18, 2021

by Arjun

8.3k views

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Recent questions tagged file-system