Computer Science/IT MCQs
Topic Notes: Computer Science/IT
MCQs and preparation resources for competitive exams, covering important concepts, past papers, and detailed explanations.
Plato
- Biography: Ancient Greek philosopher (427–347 BCE), student of Socrates and teacher of Aristotle, founder of the Academy in Athens.
- Important Ideas:
- Theory of Forms
- Philosopher-King
- Ideal State
501
End Key is used to:
Answer:
Moves the cursor end of the line
The End key takes the cursor to the end of the current line.
502
Which one is not a system tool?
Answer:
Virus scanning
Virus scanning is typically handled by separate antivirus software and not as a built-in system tool.
503
Which of the following is single-user single-tasking operating system?
Answer:
Both a&c
A single-user, single-tasking operating system can only handle one user performing one task at a time. MS-DOS is a classic example of this. Early versions of Mac OS also operated this way, before the introduction of multitasking capabilities. Modern operating systems like Windows and macOS are multi-user and multitasking.
504
Which of the following file systems does not have journaling?
Answer:
FAT32
FAT32 is a simpler file system that does not have journaling capabilities.
505
"Ctrl + PageDown" is used to:
Answer:
Moves the cursor one Page Down
Ctrl + PageDown scrolls the document down by one whole page/section.
506
For implementing a client-server network, which operating system should be chosen?
Answer:
Windows 2000
Windows 2000 is designed for client-server networking, offering advanced networking features.
507
Which of the following is an example of a time-sharing operating system?
Answer:
Unix
Unix is a classic example of a time-sharing operating system.
508
Who is regarded as the supervisor of all computer activities?
Answer:
Operating System
The operating system manages and coordinates all activities and resources in a computer, acting as a supervisor.
509
All of the following are TRUE about virtual memory EXCEPT:
Answer:
Any amount of RAM can be allocated to virtual memory
You cannot allocate any arbitrary amount of RAM to virtual memory; it's actually part of the hard disk that acts as additional RAM, and its size can be customized (option D), but it's used in combination with, not as a replacement for, physical RAM.
510
What symbol separates the primary filename from its extension?
Answer:
All of the above
Dot, period, and point are all terms used to describe the '.' that divides a filename from its extension.