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
611
Which of the following storage options has the highest capacity?
Answer:
DVD
Among the choices, DVDs store the most data, typically up to 4.7 GB, surpassing CDs, VCDs, and floppy disks.
612
In which part of the Desktop can you find the 'Notification area'?
Answer:
Taskbar
The Notification Area, also known as the system tray, is located on the far-right side of the Taskbar in the Windows operating system. It displays icons for system and program features that are running in the background, such as the clock, volume control, and network status.
613
Which operating system is widely used in servers, supercomputers, and embedded systems?
Answer:
Linux
Linux is a popular choice for servers, supercomputers, and embedded systems due to its stability, security, and flexibility.
614
Which of the following is a key feature of the Windows operating system?
Answer:
Wide hardware compatibility
One of the strengths of Windows is its ability to run on a vast range of hardware from different manufacturers.
615
Gmail, a free web-based email service, is operated by which company?
Answer:
Google
Gmail is an email service developed and managed by Google.
616
The operating system creates:
Answer:
All the above
OS can provide virtual devices, virtual computers, and memory space abstractions.
617
Who created the very first computer mouse?
Answer:
Douglas Engelbart
Douglas Engelbart invented the first prototype of the computer mouse in the 1960s to facilitate interaction with computers.
618
Home Key is used for:
Answer:
Moves the cursor to the beginning of the line
Pressing Home moves the cursor to the start of the current line.
619
Which file system is not natively supported by Windows?
Answer:
ext4
Windows cannot read or write to ext4 partitions without the use of third-party software.
620
Dijkstra’s Banker's Algorithm in operating systems addresses:
Answer:
Deadlock avoidance
The Banker's Algorithm is a resource allocation and deadlock avoidance algorithm that tests for safety by simulating the allocation of predetermined maximum possible amounts of all resources.