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Which of the following best describes the output of fullfile('data', 'images', 'photo.jpg') in MATLAB?

easy📝 Conceptual Q2 of 15
MATLAB - File I/O
Which of the following best describes the output of fullfile('data', 'images', 'photo.jpg') in MATLAB?
AA full file path combining 'data', 'images', and 'photo.jpg' with platform-specific separators
BOnly the filename 'photo.jpg' without any folder information
CAn error because <code>fullfile</code> requires absolute paths
DA cell array containing each input string separately
Step-by-Step Solution
Solution:

  1. Step 1: Understand fullfile

    This function concatenates folder and file names into a single path using the correct file separator for the operating system.

  2. Step 2: Analyze inputs

    Inputs are 'data', 'images', and 'photo.jpg', which will be joined into a path like 'data/images/photo.jpg' on Unix or 'data\images\photo.jpg' on Windows.

  3. Final Answer:

    A -> Option A

  4. Quick Check:

    Check if output is a single string path with separators [OK]
Quick Trick: fullfile joins parts with OS-specific separators [OK]
Common Mistakes:
  • Thinking fullfile returns only the filename
  • Assuming fullfile requires absolute paths
  • Expecting output as a cell array

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