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

The executable file for Word Pad is ______.

  1. TXT.EXE

  2. WINDOWS.EXE

  3. WINWORD.EXE

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

WORDPAD.EXE is the executable file that launches the WordPad application in Windows. WordPad is a basic word processor that comes pre-installed with Windows, more advanced than Notepad but less feature-rich than Microsoft Word. The other options listed are incorrect: TXT.EXE is not a standard Windows executable, WINDOWS.EXE would be the OS core, and WINWORD.EXE launches Microsoft Word.

Multiple choice

The extension of a Screen Saver file is ________.

  1. .SCS

  2. .SCR

  3. .SCP

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

.SCR is the standard file extension for Windows screen saver files. These are essentially executable files that run when the system is idle, with the .SCR extension identifying them as screen savers to the system.

Multiple choice

MS-Windows support file names up to ___ characters.

  1. 256

  2. 255

  3. 254

  4. 257
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Windows supports filenames up to 255 characters, excluding the drive letter, path, and extension. This is a limitation of the FAT/NTFS file systems and has been a consistent feature of Windows file management.

Multiple choice

The fasta format file starts with

  1. <

  2. >

  3. start

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

FASTA format sequence files always begin with a '>' (greater-than) character followed by a unique identifier and description. This header line introduces each sequence record and distinguishes it from the actual nucleotide or amino acid sequence data that follows.

Multiple choice

Which of the following is the disadvantage of binary data files?

  1. They can be easily read and written.

  2. They need a special program to read and write.

  3. Processing of binary files is slow.

  4. Binary data files are damaged easily.

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

Binary data files need a special program to read and write. Because binary data files contain only 0 and 1. 

Multiple choice

Which of the options shows the correct steps to process a file in C++ program?

  1. Name the file, open the file and close the file

  2. Open the existing file, read/write the file and close the file

  3. Open the file, read the file and write a file

  4. Create a file, open the file and close the file
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The steps to process a file in C++  are

  1. Open the file
  2. Read or write the file
  3. Close the file
Multiple choice

Which statement takes the file pointer to the beginning of the file?

  1. filepointer.seekg(0L,ios::start);

  2. filepointer.seekg(1L,ios::beg);

  3. filepointer.seekg(0L,ios::beg);

  4. filepointer.seekg(0L,io::beg);

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

The function seekg() is used to position the file pointer at a specific place. So, the statement filepointer.seekg(0L,ios::beg); positions the file pointer at the beginning of the file.