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
161
Which of the following does NOT affect latency?
Answer:
The amount of bandwidth you have
Increasing your bandwidth does not reduce the time it takes for a single bit to travel from one point to another. Latency is primarily a function of distance and the processing time of network devices.
162
What is a "404 error"?
Answer:
A message that indicates that the requested page could not be found
A 404 error is a common error that you may encounter when browsing the web.
163
What is the name of the feature in some browsers that allows you to view a web page as it would appear on a mobile device?
Answer:
All of the above
This is a useful tool for web developers who need to test how their websites look on different screen sizes.
164
Firefox is developed by which organization?
Answer:
The Mozilla Foundation
Firefox is a free and open-source web browser developed by the Mozilla Foundation and its subsidiary, the Mozilla Corporation.
165
In a P2P network, each computer is responsible for its own:
Answer:
Both a and b
In a P2P network, there is no central administrator, so each user is responsible for their own computer's security and data backups.
166
What is a "connection-oriented" protocol?
Answer:
A protocol that establishes a connection (a "handshake") before sending data
TCP is a connection-oriented protocol. It establishes a reliable session between the sender and receiver before any data is transmitted.
167
What is the purpose of browser extensions or add-ons?
Answer:
To add new features and functionality to the browser
Browser extensions can add a wide variety of features to a browser, such as ad blocking, password management, and integration with other services.
168
What is the full form of the acronym URL?
Answer:
Uniform Resource Locator
URL stands for Uniform Resource Locator. It is a reference to a web resource that specifies its location on a computer network and a mechanism for retrieving it. Essentially, it is the address of a webpage or file on the Internet.
169
Which type of network spans a large geographical area, such as a country or continent?
Answer:
WAN
A Wide Area Network (WAN) is a network that covers a broad area, such as any network whose communications links cross metropolitan, regional, or national boundaries.
170
Can you increase your bandwidth without changing your internet plan?
Answer:
No, bandwidth is determined by your contract with your ISP
Your maximum bandwidth is set by your Internet Service Provider (ISP). While a better router might improve your local network (Wi-Fi) speed, it cannot increase the bandwidth coming into your home.