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
351
Switching between portrait and landscape modes involves the:
Answer:
page setup dialog box
** To change between portrait and landscape orientation, you go to the Page Setup dialog box (via Page Layout → Orientation in modern MS Word).
352
What is the operating system’s file and folder manager called?
Answer:
Windows Explorer
Windows Explorer (now File Explorer) is the interface used to browse and manage files and folders.
353
If a logic bomb is set to activate on Michelangelo’s birthday, it would be an example of a:
Answer:
Time bomb
When a logic bomb is programmed to go off on a certain date, such as a famous birthday, it’s specifically called a time bomb.
354
An operating system that must respond to inputs within a specific timeframe is called a:
Answer:
Real-time operating system
Real-time operating systems are used in systems where a response within a certain time is critical, such as in industrial control systems or medical devices.
355
Which of the following is a feature of ext4?
Answer:
All of the above
ext4 includes several features that improve performance and reliability, such as delayed allocation, extents, and journal checksums.
356
A program purposely designed to cause harm and spread from one software or disk to another is classified as a:
Answer:
Virus
Computer viruses are malicious codes that replicate and propagate between software or storage media, causing disruptions.
357
The MS-DOS operating system is classified as which of the following?
Answer:
Command-driven interface, single-tasking system
MS-DOS utilizes a command-line interface and is designed to run only one task at a time.
358
What is the term for a named storage location on a disk for organizing files?
Answer:
Folder
A folder is used to group and organize files on storage media, helping manage data efficiently.
359
Which of these are considered external commands in DOS?
Answer:
All of above
External commands require separate executable files and are not built into the system command interpreter.
360
The default folder where many Windows applications save files is:
Answer:
My Document
By default, most Windows applications use "My Documents" as the location for saving user files.