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
1151
What is a Windows component specifically intended for organizing other components?
Answer:
Folder
Folders are used to organize files and subfolders efficiently within the Windows operating system.
1152
Scandisk is a utility that analyzes and repairs damage to:
Answer:
All of the above
Scandisk checks and repairs problems related to the File Allocation Table (FAT), physical storage sectors (clusters), and recovers or fixes lost clusters.
1153
If there are multiple recycle bins for a hard disk, what is true?
Answer:
You can set different size for each recycle bin
On systems with multiple partitions or drives, each can have its own recycle bin with a custom size allocation.
1154
What is the function of the I/O manager in an operating system?
Answer:
To manage the flow of data between the main memory and the I/O devices
The I/O manager is responsible for all the input/output operations of the computer system.
1155
Which file system is the most efficient in terms of disk space usage?
Answer:
It depends on the size and number of files
The efficiency of a file system in terms of disk space usage depends on several factors, including the cluster size and the size of the files being stored.
1156
Which wireless technology, commonly found in gadgets, enables data transfer over short distances?
Answer:
Bluetooth
Bluetooth is a short-range wireless communication technology, used for connecting and exchanging data between electronic devices within a limited distance.
1157
What is a "data breach"?
Answer:
An incident where sensitive, protected, or confidential information is released to an untrusted environment.
A data breach is a security incident where information is accessed without authorization. These breaches can expose the personal and financial data of millions of people, which is then often used for fraud.
1158
You receive an email with a link that says "Click here to update your account." The text is a hyperlink. How can you check where the link really goes without clicking it?
Answer:
Both A and B are effective methods.
Both hovering over the link to see the preview in the status bar and copying the link address to inspect it in a safe environment like a text editor are good ways to verify a link's true destination before clicking.
1159
What does "HTTPS" at the beginning of a URL indicate?
Answer:
The connection between your browser and the website is encrypted.
HTTPS (Hypertext Transfer Protocol Secure) indicates that the data transmitted between your browser and the website is encrypted, which protects it from being intercepted. However, it does not guarantee that the website itself is trustworthy.
1160
If a deal or offer online seems "too good to be true," it probably is. This is a good rule of thumb for avoiding:
Answer:
All of the above.
This principle applies to many types of online fraud. Scammers often use unbelievably good offers to lure in victims, so a healthy dose of skepticism is a crucial defense.