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
1361
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.
1362
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.
1363
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.
1364
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.
1365
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.
1366
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.
1367
Which type of inheritance is used in class A : public X, public Y {}?
Answer:
Multiple inheritance
Multiple inheritance means a class inherits from more than one base class.
1368
Software that is owned by an individual or company, and its source code is kept secret, is known as:
Answer:
Proprietary Software
Proprietary software, also called closed-source software, has legal restrictions on its use, modification, and copying, which are enforced by the owner.
1369
A Customer Relationship Management (CRM) system, such as Salesforce, is a type of software used to:
Answer:
Manage a company's interactions and relationships with customers.
CRM software helps companies manage customer data, track interactions, and automate sales and marketing processes to improve business relationships.
1370
What type of software is QuickBooks, which is used for managing business finances, tracking sales, and creating invoices?
Answer:
Accounting software
QuickBooks is a well-known example of accounting software, an application designed to help small businesses manage their financial records and operations.