To restart the computer ______ key is used. 

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NPCIL Assistant Grade-1 (Preliminary) Official Paper-I (Held On: 08 Sept, 2018)
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  1. Del + Ctrl + Tab 
  2. Alt + Ctrl + Tab
  3. Ctrl + Alt + Del
  4. Alt + shift + Ctrl

Answer (Detailed Solution Below)

Option 3 : Ctrl + Alt + Del
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NPCIL Assistant Grade 1 Computer Knowledge Subject Test - 01
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20 Questions 60 Marks 15 Mins

Detailed Solution

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The correct answer is Ctrl + Alt + Del.

Key Points

  • Ctrl + Alt + Del is a keyboard command used in Windows operating systems to restart the computer or access the Task Manager.
  • Pressing these keys simultaneously can help you restart the computer if it becomes unresponsive.
  • This command is often used to troubleshoot problems or close programs that are not responding.
  • In some systems, Ctrl + Alt + Del may bring up options for locking the computer, switching users, or logging off.

Additional Information

  • Task Manager
    • Task Manager is a system monitor program used to provide information about the processes and applications running on a computer.
    • It allows users to end tasks, monitor performance, and manage startup programs.
  • Safe Mode
    • Safe Mode is a diagnostic mode of a computer operating system (OS).
    • It can be used to troubleshoot problems with programs and drivers that might not start correctly or prevent Windows from starting correctly.
  • BIOS/UEFI
    • BIOS (Basic Input/Output System) and UEFI (Unified Extensible Firmware Interface) are firmware interfaces for computers.
    • They are used to initialize and test hardware components and to load the operating system into memory.
  • System Restore
    • System Restore is a feature in Microsoft Windows that allows the user to revert their computer's state to that of a previous point in time.It is used to recover from system malfunctions or other problems.
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