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
891
_____ formatting is the process of changing the way letters, numbers, punctuation marks, and symbols appear on the screen and in print.
Answer:
Character
** Character formatting affects font, size, color, bold, italic, underline, etc.—how the individual text characters look.
892
What does GUI stand for?
Answer:
Graphical User Interface
GUI stands for Graphical User Interface. It is a type of user interface that allows users to interact with electronic devices through graphical icons and visual indicators, as opposed to text-based command-line interfaces.
893
DOS commonly uses which file system?
Answer:
FAT 16
The File Allocation Table 16 (FAT16) file system is typical for DOS environments.
894
Which of the following is NOT a function of an operating system?
Answer:
Enable users to perform tasks like editing documents
Performing user-specific tasks like document editing is the domain of application software, not the operating system itself.
895
Fragmented files cause problems because:
Answer:
Fragmented
Fragmentation scatters parts of files across a disk, leading to slower computer operation as the drive works harder to access data.
896
What is the main role of a UPS in computer systems?
Answer:
Supplies backup electrical power
An Uninterruptible Power Supply (UPS) provides backup power to devices in case of electrical outages.
897
Page stealing refers to:
Answer:
Is taking page frame from other working sets
Page stealing is when the operating system reallocates memory pages from one process's working set to another that needs them, often in a system experiencing memory pressure.
898
Which menu contains commands linked to the My Computer window?
Answer:
System menu
The system menu provides commands related to the window, including those for My Computer.
899
The use of windows, icons, and graphical elements is a feature of which kind of interface?
Answer:
Graphical-user
Graphical user interfaces (GUI) provide interaction through visuals and icons, enhancing usability.
900
The _____, or typeface, defines the appearance and shape of letters, numbers, and special characters.
Answer:
font
** A font is the specific design (typeface) for the text's letters, numbers, and symbols.