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
221
What does an operating system manage?
Answer:
All of the above
The operating system controls memory, processes, and hardware devices as part of system resource management.
222
Which file stores commands for automatic execution when the operating system starts?
Answer:
autoexec.bat
The autoexec.bat file runs automatically at boot to set system configurations and execute commands.
223
How do you connect to the Internet on your system?
Answer:
My computer >> dialup networking
The traditional way to establish a dial-up internet connection in older versions of Windows was through "My Computer" and then "Dialup Networking".
224
What is a tiny dot of light on a monitor screen called?
Answer:
Pixel
A pixel is the smallest unit of a digital image or display, basically a tiny illuminated point on the screen.
225
What action does the keyboard shortcut Windows+M perform?
Answer:
Minimize file/folder
The Windows key + M is a keyboard shortcut in the Microsoft Windows operating system that minimizes all open windows to the taskbar, showing the desktop. The shortcut is for minimizing all applications, not just a single file or folder.
226
Which company is popularly referred to as “Big Blue”?
Answer:
IBM
IBM is often called “Big Blue” due to its historical association with blue computer systems and branding.
227
How can you protect the contents of a floppy disk?
Answer:
Write
Write protection prevents new data from being added or existing data from being modified, safeguarding the disk's contents.
228
Which of the following is not a multitasking operating system?
Answer:
DOS
DOS is a single-tasking operating system, so it cannot run multiple applications at the same time.
229
Which of the following statements is FALSE?
Answer:
You can increase disk space by sending files to the recycle bin
Moving files to the recycle bin does not increase free disk space; space is only freed when you empty the recycle bin.
230
Which component of the operating system provides a file system for storing and retrieving data?
Answer:
File manager
The file manager provides a hierarchical structure for organizing files and directories.