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
41
Google Chrome, Microsoft Edge, and Apple Safari are all examples of:
Answer:
Web browsers
These are all application programs that allow users to access and navigate the World Wide Web. They should not be confused with search engines like Google or Bing, which are websites accessed through a browser.
42
What does LTS stand for in the context of software versions?
Answer:
Long-Term Support
An LTS version of a software is a stable release that is guaranteed to be maintained and receive security updates for a longer period than standard releases. This is important for enterprises that value stability over having the latest features.
43
What kind of programming errors are caught at compile time?
Answer:
Syntax errors
Syntax errors are structural issues in the code flagged during compilation.
44
What is the main purpose of a programming language?
Answer:
To provide a set of instructions that a computer can execute to perform a task.
A programming language is a formal language that allows a programmer to write instructions that can be converted into machine language and executed by a computer to achieve a specific result.
45
The "macOS" operating system is developed by and exclusive to which company?
Answer:
Apple
macOS is the proprietary operating system developed by Apple Inc. for its line of Macintosh computers.
46
Instructions that tell a computer how to perform processing tasks are called:
Answer:
Programs
Programs are sets of instructions executed by a computer to perform tasks.
47
A step-by-step method that always produces a correct answer is called what?
Answer:
Heuristic
An algorithm is a precise set of steps designed to solve a problem.
48
Which of the following is NOT an example of application software?
Answer:
A BIOS
The BIOS (Basic Input/Output System) is a type of firmware, which is a form of system software. It is responsible for initializing hardware during the computer's startup process.
49
What type of programming language is Java?
Answer:
Object-oriented programming language
Java is designed for object-oriented programming, focusing on reusable objects and classes.
50
In OOP, the concept of exposing only essential information is known as:
Answer:
Data hiding
Data hiding prevents access to internal details from outside code.