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
251
The primary responsibility of the operating system is to:
Answer:
Manage Resources
Resource management—including CPU usage, memory allocation, and peripheral devices—is the central job of the operating system.
252
Which file system is generally not recommended for use as the primary file system for a modern operating system?
Answer:
FAT32
Due to its limitations, FAT32 is not suitable for use as the primary file system for a modern operating system like Windows 10 or a recent Linux distribution.
253
What is the purpose of the `|` (pipe) symbol in a command?
Answer:
To pipe the output of one command to the input of another command
The `|` symbol is used to create a pipeline between two commands. For example, `dir | find ".txt"` will pipe the output of the `dir` command to the `find` command, which will then display only the lines that contain ".txt".
254
The process of verifying that all key peripheral hardware is connected and working before the computer boots is known as:
Answer:
POST
The Power-On Self Test (POST) checks essential devices like keyboard, memory, and display are present and functioning before system boot.
255
Which action is NOT essential before shutting down a computer?
Answer:
Switch off monitor
Turning off the monitor is optional. However, saving work and closing applications are required for a proper shutdown.
256
Which optical device reads pencil marks for data entry from forms or answer sheets?
Answer:
Punch card reader
Optical Mark Reader (OMR) is used to detect marks made by pencil or pen on specially designed paper, commonly for exams or surveys.
257
Ctrl + C is used to
Answer:
Copy the selected text
** Ctrl+C is the universal shortcut for Copy.
258
Desktop is a:
Answer:
Provides work space
The desktop serves as the work area of the operating system interface, where icons, windows, and applications can be arranged and accessed.
259
Which file system format is supported by Windows 7?
Answer:
NTFS
The NTFS file system is fully supported by Windows 7; BSD and EXT are not natively supported.
260
Which organization standardizes the World Wide Web?
Answer:
W3C
The World Wide Web Consortium (W3C) is the main international body for web standardization.