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
51
Ctrl + W
Answer:
Save and Close Document
** Ctrl + W closes the current document, and if unsaved changes exist, Word prompts the user to save before closing. The application remains open.
52
The latest versions of Mac OS are built on which type of operating system?
Answer:
Unix
Modern versions of Mac OS, including macOS, are based on a Unix foundation, providing advanced stability and security.
53
What is a small piece of information stored by websites on a user’s device for session management?
Answer:
Cookie
Cookies are tiny files saved by web browsers to remember information about users for site preferences or sessions.
54
Loading a memory page only when it's required is known as:
Answer:
Demand Paging
Demand paging is a memory management technique where pages are loaded only when needed by a process.
55
The term ‘memory’ in computers generally refers to:
Answer:
Storage
In computing, memory commonly means storage, such as RAM or ROM, where data and instructions are kept.
56
The operating system creates _____ from the physical computer.
Answer:
Virtual computers
The OS uses virtualization to present multiple independent computing environments using the same physical machine.
57
A word processor would most likely be used to:
Answer:
type a biography
Word processors are mainly used for creating and editing text documents, such as letters, reports, and biographies.
58
A binary decision offers how many possible options?
Answer:
Two
A binary choice always provides two options, typically represented by 0 and 1 in digital systems.
59
Which method is used to show the contents of a specific drive or folder?
Answer:
Double click the drive or folder
Double-clicking a drive or folder opens it, displaying its contents in a new window.
60
Which action is commonly performed after installing updates, programs, or making configuration changes?
Answer:
Restart
Restarting ensures that system changes take effect by rebooting Windows and reloading all processes.