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
511
The word used to refer to the tangible elements of a computer system is:
Answer:
Hardware
Hardware includes all the physical parts of a computer, like the monitor, keyboard, and motherboard.
512
The type of program permanently stored in ROM and as lasting as hardware is called:
Answer:
Firmware
Firmware refers to permanent software programmed into ROM chips.
513
Portrait and Landscape are
Answer:
Page Orientation
** Portrait and Landscape refer specifically to the orientation of the page.
514
What is the fundamental difference between Linux and Windows operating systems?
Answer:
Linux source code can be altered by anyone, but Windows source code cannot
Linux is open-source, allowing developers to modify and redistribute its code, while Windows is closed-source and proprietary.
515
In the print manager window, you have the ability to:
Answer:
All of the above
The print manager provides options to monitor the print queue, pause or cancel print jobs, and view the status of documents waiting to be printed.
516
What is the common term for a computer’s main circuit board holding numerous chips?
Answer:
Motherboard
The motherboard is the principal circuit board containing the central components and connectors for a PC.
517
The segments or blocks into which memory is divided are called what?
Answer:
Frame
In memory management, especially with paging, a frame is a fixed-size block of physical memory where pages (from virtual memory) are mapped.
518
What is the main purpose of an operating system?
Answer:
Maximizing efficiency of hardware usage
The primary role of an operating system is to utilize computer hardware efficiently while offering an interface to users.
519
Which layer of a computer system lies between the hardware and the user programs?
Answer:
Operating system
The operating system acts as an intermediary between the computer hardware and user programs, managing resources and providing an interface.
520
In which type of circuit switching is data delivery delayed due to storage and retrieval from RAM?
Answer:
Time division
Time-division switching uses RAM to store data temporarily, which introduces a delay as data is read into and then out of memory.