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Class 9Artificial IntelligenceICT (Information & Communication Technology) Skills-IUsing an operating system and file managementEasy
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Which part helps identify the type of a file?

Answer and explanation

Correct answer: File extension

The governing concept is the role of a file extension in identifying file types. An extension is the part after the final period in a file name, such as .docx, .jpg, or .mp3. It helps the operating system and the user recognize which application may open the file. Therefore, option D is correct; folder colour, screen brightness, and mouse size do not identify file type.

Related tags

File-ExtensionFile-TypeFile-ManagementOperating-SystemUsing An Operating System And File ManagementIct (Information & Communication Technology) Skills IIct Information Communication Technology Skills IArtificial Intelligence
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10 more MCQs
  1. 1The computer is slow and an important document is open. What should be done before closing unnecessary applications?
  2. 2Why is proper shutdown considered better than directly cutting power?
  3. 3How is data shown in a bar graph?
  4. 4A graph shows only percentages but not the total number of students. What information may remain hidden?
  5. 5What does the presence of a camera microphone and screen in a smartphone show?
  6. 6An employee keeps another copy of an important file in a different location. What practice does this illustrate?
  7. 7What is the benefit of giving a file a clear name in an office?
  8. 8ICT-based traffic signals change their timing according to the number of vehicles. Which benefit does this illustrate?
  9. 9A student saves several versions of a file using the word final and cannot identify the correct one. What is a better practice?
  10. 10A student saves screenshots of online lessons but cannot find them later. Which method would be most effective?
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