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
621
Wireless networks transfer data primarily using _____ waves.
Answer:
Radio
Wireless network signals are carried via radio waves.
622
Which type of software allows users to calculate data arranged in rows and columns?
Answer:
Electronic spreadsheet
Electronic spreadsheet software enables users to perform calculations and analysis on grid-arranged data.
623
The operating system's error-handling function is responsible for:
Answer:
All of the above
The operating system's error-handling function is responsible for all aspects of dealing with errors, from detection to recovery.
624
Multiprogramming systems:
Answer:
Execute more jobs in the same time period
Multiprogramming allows multiple programs to execute seemingly simultaneously, improving system throughput.
625
How would you display the contents of a directory one page at a time in a Windows command prompt?
Answer:
dir /p
The `/p` option for the `dir` command displays the listing one page at a time.
626
What is the main disadvantage of using NTFS on a non-Windows operating system?
Answer:
It has limited read/write support
While most non-Windows operating systems can read NTFS partitions, writing to them can sometimes be problematic without the use of third-party drivers.
627
Which file system is most susceptible to fragmentation?
Answer:
FAT32
FAT32 is more prone to fragmentation than more modern file systems like NTFS and ext4.
628
Which software operates directly on computer hardware and acts as a platform for other systems to run?
Answer:
Operating system
The operating system directly manages hardware resources and provides a platform for running other software.
629
Quickly pressing and releasing the left mouse button twice is called:
Answer:
Double-clicking
Double-clicking is a mouse action used to open items or execute commands on a computer.
630
What does "FAT" in FAT32 stand for?
Answer:
File Allocation Table
FAT stands for File Allocation Table, which is a data structure that the operating system uses to keep track of the location of files on a disk.