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
661
Which box, typically located below the standard toolbar, lets you choose where to go in Windows Explorer?
Answer:
Address bar
The address bar displays and lets you navigate different locations on your computer quickly.
662
Ctrl + N is used to
Answer:
New Document
The correct answer is **C) New Document**. The keyboard shortcut Ctrl + N is a universally recognized command across most software applications, including word processors, spreadsheets, and web browsers, that instructs the program to create a brand new, blank document or file. This action is analogous to going to the "File" menu and selecting "New." Option A, "Save Document," is typically associated with Ctrl + S. Option B, "Open Document," is usually achieved with Ctrl + O. Option D, "Close Document," is commonly performed using Ctrl + W or by clicking the 'X' button on the document window. Therefore, Ctrl + N specifically initiates the creation of a new, empty file or document for the user to begin working on.
663
Dispatch latency is defined as:
Answer:
The time taken by the dispatcher to stop one process and start another
Dispatch latency is the interval the operating system dispatcher takes to switch from one process to another.
664
Within an information system, alphanumeric data is represented as:
Answer:
Numbers and alphabetical characters
Alphanumeric data consists of numbers and alphabetic characters used for data entry and processing.
665
The concept of "package management" is most commonly associated with which operating system?
Answer:
Linux
Package managers are used to automate the process of installing, upgrading, configuring, and removing computer programs for a computer's operating system in a consistent manner. They are a key feature of most Linux distributions.
666
What serves as the fundamental building block in digital electronic circuits?
Answer:
Logic Gate
Logic gates are basic electronic components used to perform logical operations in digital circuits.
667
In a distributed operating system, resources are:
Answer:
Shared among multiple computers
A distributed operating system manages a group of distinct computers and makes them appear to be a single computer.
668
An embedded operating system is designed for:
Answer:
Specific devices with limited resources
An embedded operating system is a specialized operating system for an embedded computer system.
669
Which of the following are classified as system software?
Answer:
All of the above
System software includes operating systems, compilers, and utility programs, all essential for system function and management.
670
Which is the correct format for an email address?
Answer:
[contact@website.info](mailto:contact@website.info)
A valid email address contains a username, the "@" symbol, and a domain name (e.g., [contact@website.info](mailto:contact@website.info)).