Search results for file-system / GATE Overflow for GATE CSE

18 votes

5 answers

1

GATE CSE 2019 | Question: 42
The index node (inode) of a Unix -like file system has $12$ direct, one single-indirect and one double-indirect pointers. The disk block size is $4$ kB, and the disk block address is $32$-bits long. The maximum possible file size is (rounded off to $1$ decimal place) ____ GB

The index node (inode) of a Unix -like file system has $12$ direct, one single-indirect and one double-indirect pointers. The disk block size is $4$ kB, and the disk bloc...

Arjun

23.0k views

Arjun asked Feb 7, 2019

56 votes

6 answers

2

GATE CSE 2014 Set 2 | Question: 20
A FAT (file allocation table) based file system is being used and the total overhead of each entry in the FAT is $4$ bytes in size. Given a $100 \times 10^6$ bytes disk on which the file system is stored and data block size is $10^3$ bytes, the maximum size of a file that can be stored on this disk in units of $10^6$ bytes is _________.

A FAT (file allocation table) based file system is being used and the total overhead of each entry in the FAT is $4$ bytes in size. Given a $100 \times 10^6$ bytes disk o...

go_editor

20.8k views

go_editor asked Sep 28, 2014

14 votes

2 answers

3

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 _____________.

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 oc...

admin

11.9k views

admin asked Feb 15, 2023

30 votes

3 answers

4

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__________________.

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...

Arjun

9.8k views

Arjun asked Feb 15, 2022

41 votes

3 answers

5

GATE CSE 2017 Set 2 | Question: 08
In a file allocation system, which of the following allocation scheme(s) can be used if no external fragmentation is allowed? Contiguous Linked Indexed $1$ and $3$ only $2$ only $3$ only $2$ and $3$ only

In a file allocation system, which of the following allocation scheme(s) can be used if no external fragmentation is allowed?ContiguousLinkedIndexed$1$ and $3$ only$2$ on...

khushtak

13.1k views

khushtak asked Feb 14, 2017

31 votes

6 answers

6

GATE CSE 2002 | Question: 2.22
In the index allocation scheme of blocks to a file, the maximum possible size of the file depends on the size of the blocks, and the size of the address of the blocks. the number of blocks used for the index, and the size of the blocks. the size of the blocks, the number of blocks used for the index, and the size of the address of the blocks. None of the above

In the index allocation scheme of blocks to a file, the maximum possible size of the file depends onthe size of the blocks, and the size of the address of the blocks.the ...

Kathleen

14.6k views

Kathleen asked Sep 15, 2014

19 votes

2 answers

7

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 $\textsf{foo}$

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 meta...

Arjun

8.5k views

Arjun asked Feb 18, 2021

31 votes

6 answers

8

GATE IT 2004 | Question: 67
In a particular Unix OS, each data block is of size $1024$ bytes, each node has $10$ direct data block addresses and three additional addresses: one for single indirect block, one for double indirect block and one for triple indirect block. Also, each block can ... following is approximately the maximum size of a file in the file system? $512$ MB $2$ GB $8$ GB $16$ GB

In a particular Unix OS, each data block is of size $1024$ bytes, each node has $10$ direct data block addresses and three additional addresses: one for single indirect b...

Ishrat Jahan

9.3k views

Ishrat Jahan asked Nov 2, 2014

5 votes

1 answer

9

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

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 $1$ tr...

GO Classes

570 views

GO Classes asked Jan 28

0 votes

0 answers

10

File organisation and indexing (DBMS)

Suryadip

106 views

Suryadip asked Mar 9

1 votes

1 answer

11

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 ________?

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 ...

suvasish114

462 views

suvasish114 asked Dec 9, 2023

0 votes

1 answer

12

Ace Test Series
Consider six files: F1, F2, F3, F4, F5, F6 with corresponding sizes 100, 200, 70, 40, 250 and 50 respectively. the files are to be stored on a sequential device in such a way that as to optimize access time. In what order should the files be stored ?? A) ... approximate average access time of a record from one of the six files on the sequential device?? A) 131 B) 198 C) 286 D) 433

Consider six files: F1, F2, F3, F4, F5, F6 with corresponding sizes 100, 200, 70, 40, 250 and 50 respectively. the files are to be stored on a sequential device in such a...

none30

384 views

none30 asked Apr 12, 2023

2 votes

1 answer

13

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?

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 f...

sat0503

429 views

sat0503 asked Dec 4, 2022

0 votes

0 answers

14

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

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 po...

Overflow04

480 views

Overflow04 asked Dec 16, 2022

0 votes

0 answers

15

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?

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 sho...

royS96

342 views

royS96 asked Oct 24, 2022

0 votes

0 answers

16

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

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 bes...

makhdoom ghaya

242 views

makhdoom ghaya asked Aug 20, 2022

1 votes

1 answer

17

File handling in C
I'm trying to use the fseek() and ftell() function to find the length of the file 'test.txt' which is present in the same directory as the file 'file.c'. file.c #include <stdio.h> int main() { FILE *fp; ... run it, I'm getting the 'Segmentation fault (core dumped)' error abd the execution terminates. What's going wrong in here?

I'm trying to use the fseek() and ftell() function to find the length of the file 'test.txt' which is present in the same directory as the file 'file.c'.file.c#include <s...

Mizuki

1.2k views

Mizuki asked Aug 30, 2018

0 votes

0 answers

18

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

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

385 views

ykrishnay asked May 20, 2022

1 votes

2 answers

19

Andrew S. Tanenbaum (OS) Edition 4 Exercise 4 Question 24 (Page No. 334)
Free disk space can be kept track of using a free list or a bitmap. Disk addresses require $D$ bits. For a disk with $B$ blocks, $F$ of which are free, state the condition under which the free list uses less space ... For $D$ having the value $16$ bits, express your answer as a percentage of the disk space that must be free.

Free disk space can be kept track of using a free list or a bitmap. Disk addresses require $D$ bits. For a disk with $B$ blocks, $F$ of which are free, state the conditio...

admin

1.1k views

admin asked Oct 27, 2019

2 votes

1 answer

20

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?

A disk drive has 5000 cylinders, numbered 0 to 4999. The drive is serving arequest at cylinder 143 currently and the previous request was at 125. The disk I/O queue, ...

LRU

4.3k views

LRU asked Dec 28, 2021

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