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
1471
The main purpose of application software is to:
Answer:
Fulfill the specific needs of a user.
Application software is user-centric. Its reason for existing is to provide tools and functionality that allow a user to accomplish a particular task.
1472
Which is a mechanism of static polymorphism?
Answer:
All of the above
These features provide compile-time polymorphism.
1473
The term "App" is a shortened form of which type of software?
Answer:
Application Software
"App" is a colloquial term for an application, especially a simple one that is downloaded for a mobile device.
1474
A computer cannot "boot" or start up without:
Answer:
System Software (specifically, the OS and BIOS/UEFI)
The boot process relies entirely on system software. The firmware (BIOS/UEFI) initializes the hardware, and then the operating system is loaded to take control of the machine.
1475
When an object has many forms, it has:
Answer:
Polymorphism
Polymorphism allows objects to take on many forms, often via method overriding or overloading.
1476
Which statement accurately distinguishes between system software and application software?
Answer:
Application software runs on top of the platform provided by system software.
The operating system (system software) provides the foundational services and environment that application software requires to function. An application cannot run without an underlying operating system.
1477
What is a "syntax error" in programming?
Answer:
An error where the programmer has violated the grammatical rules of the programming language.
A syntax error is like a typo or a grammatical mistake in a human language. The compiler or interpreter cannot understand the instruction and will report an error before the program can run.
1478
The Linux operating system and the Apache web server are famous examples of:
Answer:
Open-Source Software
Linux and Apache are cornerstones of the open-source movement. They are developed collaboratively by a global community and are available for anyone to use, modify, and distribute freely.
1479
A "changelog" is a file or document that typically contains:
Answer:
A list of changes, bug fixes, and new features included in each version of the software.
A changelog is a valuable resource for users and developers to understand what has been changed between different software releases.
1480
Which application would a musician most likely use to compose, record, and edit music?
Answer:
A Digital Audio Workstation (DAW) like Ableton Live or Logic Pro
A DAW is a specialized electronic device or application software for recording, editing, and producing audio files, and it is the central tool for modern music production.