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
501
Which are the necessary conditions for a deadlock to occur in an operating system?
Answer:
Mutual Exclusion, Hold and wait, No Preemption, Circular Wait
Deadlock occurs if all these conditions are present: mutual exclusion, hold and wait, no preemption, and circular wait.
502
To display a shortcut menu for an object, you should:
Answer:
Right click the object
Right-clicking an object in Windows opens its shortcut/context menu, providing quick access to relevant actions.
503
Which early desktop operating system first integrated a graphical user interface with point-and-click features?
Answer:
Mac OS
Mac OS was among the earliest operating systems to offer a graphical interface and supported mouse-based navigation.
504
When a computer is first turned on or restarted, the special type of absolute loader is called:
Answer:
Bootstrap loader
The bootstrap loader is a program that initializes the operating system when a computer starts up.
505
Which of the following is NOT considered an operating system?
Answer:
Oracle
Oracle is primarily known as a database management system, not as an operating system. DOS, Linux, and Windows are all types of operating systems.
506
The term "chip" is commonly used for which component?
Answer:
Integrated Circuit
A "chip" generally refers to an integrated circuit, which contains many tiny electronic components.
507
Which is commonly used to display information in public areas?
Answer:
Touch screen kiosks
Touch screen kiosks are interactive and widely deployed in public places to display information and assist users.
508
In MS-DOS, what is the letter assigned to the main hard disk drive?
Answer:
C
By convention, MS-DOS assigns the letter C to the first hard drive.
509
Which is the supercomputer developed in India?
Answer:
PARAM
PARAM is the series of supercomputers designed and developed in India by the Centre for Development of Advanced Computing.
510
Which option below is NOT typically a feature of using E-mail?
Answer:
Record maintenance in database
E-mail systems provide fast, low-cost, and paperless communication, but they generally do not offer built-in database record management functions.