Which tool or key combination is used in Windows to forcefully bring up the direct Windows Security screen options to lock, log off, or launch Task Manager? MCQ with Answer and Explanation

Question
Which tool or key combination is used in Windows to forcefully bring up the direct Windows Security screen options to lock, log off, or launch Task Manager?
A. Ctrl + Alt + Delete
B. Windows Key + L
C. Alt + F4
D. Ctrl + Shift + Esc
Answer: Option A
Solution (By JKSSB Mock Tests)
Pressing Ctrl + Alt + Delete triggers a low-level hardware interrupt that opens the secure Windows options overlay screen.
This question belongs to: Computer Operating Systems
Request complete Subject PDF

Discuss this Question (0)

No comments yet. Be the first to start the discussion!

Practice More Operating Systems Questions

Question #1
Which of the following is a feature of the FAT32 file system?
A. Wide compatibility with various operating systems
B. Support for file permissions
C. Journaling
D. Encryption
Discuss
Get Complete Subject PDF for Computer

Correct Answer: Option A

Explanation:
FAT32 is compatible with nearly all OSes, but lacks security features like permissions, journaling, and encryption.
This question belongs to: Computer Operating Systems
Question #2
What does the term 'multiprocessing' refer to?
A. Using multiple operating systems on one computer
B. The use of two or more CPUs within a single computer system
C. Running multiple programs on a single CPU
D. The ability to process multiple tasks simultaneously in a single program
Discuss
Get Complete Subject PDF for Computer

Correct Answer: Option B

Explanation:
Multiprocessing involves multiple CPUs (or cores) to execute multiple processes in parallel, improving performance.
This question belongs to: Computer Operating Systems
Question #3
Which Linux command is used to display the full pathname of the current working directory?
A. ls
B. cd
C. whoami
D. pwd
Discuss
Get Complete Subject PDF for Computer

Correct Answer: Option D

Explanation:
The 'pwd' command stands for 'print working directory', which outputs the exact directory path that the user is currently interacting with.
This question belongs to: Computer Operating Systems
Explore All Operating Systems MCQs
Today's Top Topics
Programming Languages 0 Computer Hardware 430 Cyber Security 269 Computer Networking 325 Memory and Storage Devices 438
Explore Subjects
Reasoning 2064 Accountancy and Statistics 3179 Geography GK 6121 Maths 5575 Economy GK 2220
Practice Mix
The Hunter Commission was appointed to investigate which incident?
Find the missing term: 4, 9, 16, 25, ?
If 'pen' is called 'pencil', 'pencil' is called 'eraser', 'eraser' is called 'book', what is used to erase mistakes?
In Windows, which command is used to list all running services?
Which of the following is a characteristic of a good question in a questionnaire?