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 of the following filename extensions suggests that the file is a backup copy of another file?

  1. TXT

  2. COM

  3. BAS

  4. BAK
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The .BAK extension is the standard convention for backup files in many operating systems, particularly DOS and Windows. When you save a backup copy, programs often append .BAK to preserve the original. TXT is for text files, COM for executable commands, and BAS for BASIC program source code - none of these indicate backup status.

Multiple choice

FTP is used to transfer

  1. programs

  2. files

  3. images

  4. all of the above
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

FTP (File Transfer Protocol) is specifically designed for transferring files between computers over a network. While it can transfer programs and images as files, 'files' is the most accurate and general answer since it encompasses all file types.

Multiple choice

A ___________ is simply a special type of file written in HTML.

  1. web site

  2. text file

  3. web page

  4. word file
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

A web page is indeed a file written in HTML (HyperText Markup Language) that browsers can display. Option C is correct. A website (A) is a collection of web pages, while text files (B) and word files (D) are not specifically HTML documents.

Multiple choice

Which of the following is/are necessary to prevent vulnerabilities in file uploading on the web site?

  1. Prevent users from overwriting application files.

  2. Disable script execution in the upload directory.

  3. Ensure that the file extension matches the actual type of the file content.

  4. Prevent users from uploading problematic file types like HTML, CSS, JavaScript, etc.

  5. All of the above
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

All are the correct statements.

Multiple choice

Which of the following is true ?

  1. FTP allows systems with different directory structures to transfer files

  2. FTP allows a system using ASCII and a system using EBCDIC to transfer files

  3. FTP allows a PC and a SUN workstation to transfer files

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

FTP was designed for interoperability. It handles different directory structures through pathname translation, different character encodings (ASCII vs EBCDIC) through type commands, and works across entirely different platforms like PCs and UNIX workstations. All three scenarios are valid FTP use cases.

Multiple choice

During an FTP session, the data connection is opened ........... .

  1. exactly once

  2. exactly twice

  3. as many times as necessary

  4. all of the above
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

FTP uses a separate data connection for each file transfer or directory listing. Unlike the control connection which stays open, data connections open and close as needed for transfers during an FTP session.