Computer Knowledge

Computer File Systems

1,516 Questions

Computer file systems dictate how data is stored, organized, and retrieved on storage devices. Important concepts include file allocation tables, access mechanisms, and various formats like sequential and video files. Candidates preparing for banking and government exams should practice these fundamentals thoroughly.

File access mechanismsVideo and password filesFile extensionsFile allocation tableSystem metadata

Computer File Systems Questions

Multiple choice

Which physical file contains the name and location of datafiles?

  1. Redo log file

  2. Paramerter File

  3. Password File

  4. Control File

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The control file is a small binary file that contains critical metadata about the database structure, including the names, locations, and status of all datafiles. Oracle reads the control file at startup to locate and open all datafiles. Redo logs contain transaction changes, parameter files have initialization settings, and password files store authentication data.

Multiple choice

Which of the following is a valid identifier?

  1. DATA-REC

  2. _DS

  3. 29CLCT

  4. My.File
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

 This option is correct as we know that an identifier is an arbitrarily long sequence of letters and digits, the first character must be a letter, the underscore (_) counts as a letter, Upper case and lower case letters are different and all characters are significant. Since the given option contains all these properties, hence it is a valid identifier.

Multiple choice

When a non-fatal I/O error has occurred in the file being currently used, then the value of ______ stream-state is 1.

  1. <span style="font-size:11.0pt;line-height:115%;font-family:"Calibri","sans-serif";mso-ascii-theme-font:minor-latin;mso-fareast-font-family:Calibri;mso-fareast-theme-font:minor-latin;mso-hansi-theme-font:minor-latin;mso-bidi-font-family:"Times" new="">eofbit

  2. <span style="font-size:11.0pt;line-height:115%;font-family:"Calibri","sans-serif";mso-ascii-theme-font:minor-latin;mso-fareast-font-family:Calibri;mso-fareast-theme-font:minor-latin;mso-hansi-theme-font:minor-latin;mso-bidi-font-family:"Times" new="">failbit

  3. badbit

  4. goodbit
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

This option is correct because the value of “failbit” is 1, when a non-fatal I/O error is encountered.

Multiple choice

Which of the following utility programs an user has to use if he has to transform files into a fraction of their normal sizes, so that they occupy less storage space on disk?

  1. Disk formatting utility

  2. Data compression utility

  3. Data backup utility

  4. None of these
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

This is an utility program a user has to use if he has to transform files into a fraction of their normal sizes, so that they occupy less storage space on disk.

Multiple choice

Which of the following statements about the GIF image is not true?

  1. It uses indexed colour.

  2. It contains more colours than a JPEG image.

  3. It was the one of the image format used on the web.

  4. It is a lossless format.

  5. None of the above
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Graphics Interchange Format, GIF are based on indexed colors which is a palette of at most 256 colors.  It doesn't contain more colours than a JPEG image because JPEG is not restricted certain amount of colours like GIF. 

Multiple choice

What is MIDI?

  1. It is a format of video file.

  2. It is a format of audio file.

  3. It is a format of image file.

  4. It is a format of web page.

  5. It is a format of text file.
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

MIDI is a format of audio file, which has an extension, that is .mid.

Multiple choice

Which of the following files is produced by a compiler?

  1. OBJ file

  2. EXE file

  3. TEXT file

  4. ZIP file

  5. AVI file
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

An object file or OBJ file is a file containing object code, meaning relocatable format machine code that is usually not directly executable. Object files are produced by an assembler, compiler, or other language translator, and used as input to the linker, which in turn typically generates an executable or library by combining parts of object files.

Multiple choice

What is SaMBa?

  1. Unix File Sytem

  2. Windows File System

  3. Software that allows a unix server to act as a file server to windows clients

  4. Software that allows a windows server to act as a file server to linux clients

  5. None of these
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

SaMBa is a software that allows a unix server to act as file server to window client. It is an open source implementation of the CIFS file sharing protocol, which evolved from SMB, hence SMB in SaMBa.

Multiple choice

Which of the following is a property of file server?

  1. Manages files shared on network

  2. Manages files on standalone PC

  3. Manages file on local server

  4. Network services are not required for file server

  5. None of these
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

File server manages and provides access controls on the files shared on network.