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
461
Which file system is designed to be self-healing, with the ability to detect and correct data corruption automatically?
Answer:
Btrfs
Btrfs has several features that help to protect against data corruption, including checksums for data and metadata.
462
Which protocol is considered the core of the World Wide Web?
Answer:
HTTP
The core protocol enabling web communications is HTTP, or Hypertext Transfer Protocol.
463
Which software directs system functions and allows user interaction?
Answer:
Operating System
The OS manages hardware and software resources and offers user interface access.
464
The ability of a single process to have multiple threads of execution is known as:
Answer:
Multithreading
Multithreading is a model of program execution that allows for multiple threads to be created within a process, executing independently but concurrently sharing process resources.
465
The operating system provides a graphical user interface (GUI) to:
Answer:
Make the system easier to use
A GUI allows users to interact with electronic devices through graphical icons and visual indicators such as secondary notation, instead of text-based user interfaces, typed command labels or text navigation.
466
You can switch between programs on the desktop by clicking on which of these?
Answer:
Taskbar button
Each running application displays a button on the taskbar; clicking it brings that program to the foreground.
467
Which of the following is NOT considered a broadband internet connection?
Answer:
Dial-up
Dial-up offers limited speed and is not classified as broadband technology.
468
Which command would you use to copy a file from a remote server to your local machine using the command line?
Answer:
All of the above
`scp`, `ftp`, and `rsync` are all command-line utilities that can be used to transfer files between computers over a network.
469
Linux is classified as what type of operating system?
Answer:
Open source
Linux is open-source, meaning its source code is freely available for anyone to use, modify, and distribute.
470
What is the primary material used to manufacture computer integrated circuits (IC chips)?
Answer:
Silicon
Silicon is the most common semiconductor material used to fabricate IC chips in computers.