26. The extension ".exe" indicates a(n):
- executable program file
- music file
- picture
- text document
Answer: A) executable program file
Explanation: .exe files run programs.
MCQs / Computer Science / Types of Operating Systems and File Management
Types of Operating Systems and File Management MCQs — Computer Science (page 2)
39 multiple-choice questions on Types of Operating Systems and File Management from Computer Science, each with the correct answer and, where available, a teacher's explanation. Read through them to revise the chapter, then practise the same questions one by one to test yourself.
27. The full location of a file such as C:UsersAliDocumentsReport.docx is called its:
- extension
- sector
- icon
- path
Answer: D) path
Explanation: A path lists drive, folders and file name.
28. The scan that runs before Windows starts to remove hard-to-find malware is:
- System restore
- Microsoft Defender Offline scan
- Quick scan
- Disk cleanup
Answer: B) Microsoft Defender Offline scan
Explanation: It works outside the running Windows.
29. A container used to organise files is a:
- byte
- sector
- register
- folder (directory)
Answer: D) folder (directory)
Explanation: Folders can contain files and sub-folders.
30. Windows Defender Firewall is used to:
- block unauthorised network traffic
- type documents
- print files
- defragment the disk
Answer: A) block unauthorised network traffic
Explanation: A firewall filters incoming and outgoing connections.
31. Air-traffic control and pacemakers use:
- batch systems
- plotters
- real-time systems
- shareware
Answer: C) real-time systems
Explanation: Responses must be immediate and reliable.
32. Deleted files in Windows normally go to the:
- Control Panel
- BIOS
- Recycle Bin
- Task Manager
Answer: C) Recycle Bin
Explanation: They can be restored from the Recycle Bin.
33. A disadvantage of GUI compared to CLI is that GUI:
- uses only text
- requires more memory and processing power
- cannot multitask
- is harder for beginners
Answer: B) requires more memory and processing power
Explanation: Graphics consume more resources.
34. WYSIWYG stands for:
- What You See Is What You Get
- What Your System Is Working Gives
- Word You Select Is What You Get
- Windows You Save Is What You Give
Answer: A) What You See Is What You Get
Explanation: The screen shows how the output will look.
35. In "Marks.xlsx", "xlsx" is the:
- drive letter
- file extension
- folder name
- path separator
Answer: B) file extension
Explanation: The extension shows the file type (Excel workbook).
36. Video streaming where a small delay is acceptable is an example of:
- soft real-time
- offline processing
- hard real-time
- batch processing
Answer: A) soft real-time
Explanation: Occasional missed deadlines are tolerable.
37. Time-sharing is an extension of:
- punched cards
- optical storage
- RAID
- multiprogramming
Answer: D) multiprogramming
Explanation: Several programs in memory share the CPU.
38. Isolating a suspicious file so it cannot harm the computer is called:
- formatting
- quarantine
- booting
- compression
Answer: B) quarantine
Explanation: Quarantined files can later be removed or restored.
39. "Controlled folder access" in Windows Security protects against:
- low battery
- slow typing
- ransomware
- paper jams
Answer: C) ransomware
Explanation: It blocks unauthorised changes to protected folders.
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