Windows and Operating System Basics MCQs

Solved MCQs on Windows shortcuts, file management, Recycle Bin, Task Manager, booting, file systems and operating system basics for clerk and operator tests.

1. 1

   Which keyboard shortcut opens Task Manager directly in Windows?

   AWindows + TBCtrl + Shift + EscCCtrl + Alt + TabDAlt + F4

   Correct answer: B. Ctrl + Shift + Esc

   Ctrl + Shift + Esc opens Task Manager directly. Ctrl + Alt + Delete opens a security screen from which Task Manager can also be chosen.

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2. 2

   In Windows, Alt + F4 is used to:

   ASwitch between windowsBClose the active window or programCOpen a new windowDTake a screenshot

   Correct answer: B. Close the active window or program

   Alt + F4 closes the active window. On the empty desktop it opens the Shut Down Windows dialog.

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3. 3

   Which shortcut switches between open windows in Windows?

   AAlt + TabBShift + TabCWindows + Tab onlyDCtrl + Tab

   Correct answer: A. Alt + Tab

   Hold Alt and press Tab to cycle through open windows. Ctrl + Tab switches between tabs inside a program such as a browser.

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4. 4

   Pressing the Windows key + D:

   AOpens DocumentsBShows (or hides) the desktopCDeletes a fileDOpens the Date settings

   Correct answer: B. Shows (or hides) the desktop

   Windows + D minimizes all windows to show the desktop. Pressing it again restores them.

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5. 5

   Which shortcut opens File Explorer in Windows?

   AAlt + EBCtrl + ECWindows + EDWindows + F

   Correct answer: C. Windows + E

   Windows + E opens File Explorer for browsing files and folders.

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6. 6

   Which shortcut locks a Windows computer?

   AWindows + LBAlt + LCCtrl + LDWindows + K

   Correct answer: A. Windows + L

   Windows + L locks the screen immediately, a good habit whenever you leave your desk.

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7. 7

   In File Explorer, which key renames a selected file?

   AF1BF2CF5DF12

   Correct answer: B. F2

   F2 lets you rename the selected file or folder. F5 refreshes the view.

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8. 8

   Pressing Shift + Delete on a selected file in Windows:

   ACopies itBMoves it to the Recycle BinCRenames itDDeletes it permanently without using the Recycle Bin

   Correct answer: D. Deletes it permanently without using the Recycle Bin

   Shift + Delete bypasses the Recycle Bin, so the file cannot be restored from there. Windows asks for confirmation first.

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9. 9

   Files deleted normally in Windows are temporarily stored in the:

   ARecycle BinBClipboardCTask ManagerDControl Panel

   Correct answer: A. Recycle Bin

   The Recycle Bin holds deleted files until it is emptied, so they can be restored if needed.

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10. 10

    Which shortcut opens the Snipping Tool to capture part of the screen in Windows 10 and 11?

    AWindows + PBCtrl + Shift + SCAlt + SDWindows + Shift + S

    Correct answer: D. Windows + Shift + S

    Windows + Shift + S lets you select an area of the screen to capture. Windows + P is for projector and display settings.

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12. 11

    Copied or cut items in Windows are temporarily held in the:

    ARecycle BinBTaskbarCHard diskDClipboard

    Correct answer: D. Clipboard

    The clipboard holds copied or cut data until you paste it. Windows + V opens the clipboard history if it is enabled.

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13. 12

    A file with the extension .exe is usually:

    AA text documentBAn executable programCA compressed archiveDA picture

    Correct answer: B. An executable program

    .exe files run programs. Never open .exe files from unknown sources, because they are a common way to spread malware.

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14. 13

    A file with the extension .zip is a:

    ADatabaseBCompressed archiveCWeb pageDVideo file

    Correct answer: B. Compressed archive

    ZIP files bundle and compress one or more files to save space or make sending easier.

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15. 14

    The bar at the bottom of the Windows screen showing the Start button and open programs is called the:

    AStatus barBTitle barCMenu barDTaskbar

    Correct answer: D. Taskbar

    The taskbar holds the Start button, pinned and running apps, and the notification area with the clock.

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16. 15

    Restarting a computer that is already switched on is called a:

    ACold bootBWarm bootCShutdownDHard reset

    Correct answer: B. Warm boot

    A warm boot restarts a running computer. A cold boot starts a computer that was switched off.

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17. 16

    Windows "Safe Mode" is mainly used for:

    APlaying games safelyBTroubleshooting with only essential drivers and servicesCSaving batteryDBrowsing the internet privately

    Correct answer: B. Troubleshooting with only essential drivers and services

    Safe Mode starts Windows with a minimal set of drivers so you can fix problems caused by faulty software or drivers.

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18. 17

    The standard file system used by modern versions of Windows is:

    Aext4BNTFSCHFS+DFAT12

    Correct answer: B. NTFS

    Windows uses NTFS for its system drive. ext4 is common on Linux and HFS+ was used on older Macs.

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19. 18

    A small program that lets the operating system communicate with a hardware device is called a:

    ADevice driverBUtilityCCompilerDFirmware update

    Correct answer: A. Device driver

    Printers, graphics cards and other devices need drivers so the operating system can use them correctly.

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20. 19

    Running several programs at the same time on a computer is called:

    AMultitaskingBMultiprocessingCBootingDBatch processing

    Correct answer: A. Multitasking

    Multitasking lets you, for example, type a document while music plays and a file downloads.

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21. 20

    Disk defragmentation improves performance mainly on:

    ARAMBUSB keyboardsCSolid-state drives (SSD)DHard disk drives (HDD)

    Correct answer: D. Hard disk drives (HDD)

    Defragmenting rearranges scattered file pieces on spinning hard disks. SSDs do not need traditional defragmentation.

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