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
771
What are the two types of semaphores?
Answer:
Counting Semaphores and Binary Semaphores
The two standard types of semaphores in operating systems are counting (can have any integer value) and binary (restricted to 0 or 1) semaphores, used for process synchronization.
772
Factory production lines can be automated using:
Answer:
VDUs
VDUs (Visual Display Units) are used in industrial automation for process monitoring and control.
773
What does FAT stand for?
Answer:
File allocation table
FAT (File Allocation Table) is a file system structure used by operating systems to manage files on storage devices.
774
Which software compresses large files into a smaller size?
Answer:
WinZip
WinZip is a popular utility used to compress and decompress files, making them easier to store and transfer.
775
Disk content that is written during manufacturing and cannot be altered or deleted by users is called:
Answer:
Read-only
Read-only memory means the data on the disk can be accessed but not changed or erased by users.
776
What factor can ultimately stop the activity of a worm virus?
Answer:
Memory or disk space
Worm viruses continue to replicate and spread until the system runs out of available memory or disk space.
777
Which of the following memories is restricted to read-only access?
Answer:
ROM
ROM, or Read Only Memory, stores data that cannot be modified easily and is generally used for firmware.
778
The Start button in Windows is used for:
Answer:
All of above
The Start button provides access to launching programs, system settings, and shutdown or restart options.
779
Where are the files and folders that are deleted from the hard disk stored?
Answer:
Recycle Bin
When you delete files or folders from a hard disk in Windows, they are temporarily moved to the Recycle Bin. This provides a safety net, allowing you to restore the items to their original location if you deleted them by mistake.
780
A network operating system is designed to:
Answer:
Manage a network of computers
A network operating system (NOS) is a computer operating system that is designed primarily to support workstations, personal computers and, in some instances, older terminals that are connected on a local area network (LAN).