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
861
The file system used by macOS is called:
Answer:
APFS
The Apple File System (APFS) is a proprietary file system for macOS, iOS, tvOS, and watchOS, developed and deployed by Apple Inc.
862
Which of the following is responsible for controlling the execution of processes?
Answer:
Process management
Process management involves creating, scheduling, and terminating processes.
863
Which of the following storage devices has the greatest capacity measured in megabytes?
Answer:
A CD-ROM
Among the listed options, a CD-ROM generally offers more storage capacity in megabytes compared to a floppy disk or a single magnetic tape.
864
Which shortcut command lets you undo the most recent action in a document?
Answer:
Ctrl + Z
Pressing Ctrl + Z will undo the previous operation in most software.
865
Which is an example of a command line operating system?
Answer:
Unix
While modern versions of Unix and Linux have powerful GUIs, their core and traditional interface is the command line (or shell). Unix is historically one of the most significant command-line operating systems, with users interacting primarily through text commands.
866
To save a document in a new folder or location, which option should be selected?
Answer:
Save As
"Save As" allows you to specify a different location or filename for your document.
867
What is a method for addressing deadlocks in operating systems?
Answer:
All of the Above
Deadlocks can be managed by prevention, detection and recovery, or ignoring them under the assumption they are rare.
868
ALU is referred to as what?
Answer:
Arithmetic logical unit
ALU stands for Arithmetic Logical Unit, a part of the CPU responsible for carrying out arithmetic and logical operations.
869
Which is used to explore contents of a computer, drives, and manage files?
Answer:
My Computer
"My Computer" provides access to drives and allows you to manage files across the computer.
870
Which operating system uses the "Aqua" graphical user interface?
Answer:
macOS
Aqua is the graphical user interface, theme, and visual style of Apple's macOS operating system.