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
521
Which OS is best for implementing a client-server network?
Answer:
Windows 2000
Windows 2000 (especially the Server editions) was designed with robust networking, security, and administrative features suitable for client-server environments.
522
Which of the following is NOT a search engine?
Answer:
Examveda
Examveda is a test preparation or learning website, not a search engine. Google, Yahoo, and Duck Duck Go are search engines.
523
Through what is the World Wide Web typically accessed?
Answer:
Browsers
Web browsers like Chrome, Firefox, and Edge are software used to navigate the World Wide Web.
524
The computer coding standard designed for information exchange between terminals is:
Answer:
ASCII
ASCII (American Standard Code for Information Interchange) is widely used for text data exchange between computers and terminals.
525
An operating system is like a______?
Answer:
Government
An operating system can be compared to a government in that it manages and controls all the resources of the computer system (the 'country'). It allocates resources like memory and CPU time, enforces rules, and provides essential services for the application programs ('citizens') to function properly.
526
How would you list all files, including hidden files, in the current directory using the `ls` command?
Answer:
ls -a
The `-a` option for the `ls` command tells it to list all files, including those whose names begin with a dot (.), which are normally hidden.
527
How many operating systems can actively run on a computer at a time?
Answer:
One
Typically, only one operating system manages the hardware at a time, unless in virtual environments.
528
How can you add or remove programs?
Answer:
Add/remove program from control panel
The correct way to install or uninstall programs is via the Add/Remove Programs option in the Control Panel.
529
Which of the following is not a valid option for the `dir` command in Windows?
Answer:
/l
There is no `/l` option for the `dir` command.
530
A soft real-time operating system:
Answer:
Does not guarantee that a task will be completed within a specific time
A soft real-time operating system does not guarantee that a critical real-time task will meet its deadline. However, it will try its best to meet the deadline.