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
331
What is the purpose of the `.` (dot) in a file path?
Answer:
It represents the current directory
A single dot (.) is a special directory name that represents the current directory.
332
You can move a window on your screen by dragging it by its:
Answer:
Move handle
The move handle (usually part of the title bar) enables users to reposition windows on the desktop.
333
What does the save operation do?
Answer:
Put data into secondary storage
When you save a file, it is written to non-volatile (secondary) storage like a hard disk.
334
Which of the following is an example of a personal operating system?
Answer:
Windows 10
Windows 10 is a popular personal operating system developed by Microsoft.
335
The virtual memory is:
Answer:
A part of the hard disk used to simulate RAM
Virtual memory is a memory management capability of an operating system that uses hardware and software to allow a computer to compensate for physical memory shortages by temporarily transferring data from random access memory (RAM) to disk storage.
336
Which of the following is not an example of a GUI operating system?
Answer:
DOS
DOS (Disk Operating System) is a classic example of a command-line interface operating system, where users interact by typing commands at a prompt. Windows, Solaris, and most modern versions of Linux are known for their Graphical User Interfaces (GUIs).
337
Which of the following is not a state of a process?
Answer:
Finished
The states of a process are new, ready, running, waiting, and terminated. "Finished" is not a standard process state.
338
All of the following are computing devices EXCEPT:
Answer:
Digital scanners
A digital scanner is a peripheral, not a standalone computing device, unlike notebooks or PDAs.
339
Anything cut or copied to the clipboard remains there until you:
Answer:
Exit Windows
Clipboard contents are typically erased when you shut down or restart Windows, unless replaced or cleared earlier.
340
A graphical user interface (GUI) displays:
Answer:
Both of above
GUIs display both graphics (such as icons, buttons) and text, making interaction intuitive and visually appealing.