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
4141
What is a website?
Answer:
Address
A website is a collection of related web pages and content that is identified by a common domain name and published on at least one web server. In essence, its domain name serves as a unique address on the Internet that users can visit.
4142
What is a "301 redirect"?
Answer:
A permanent redirect from one URL to another
301 redirects are often used when a website is moved to a new domain.
4143
A router is a:
Answer:
Both a and b
A router is a hardware device that runs specialized software (firmware) to perform its routing functions.
4144
What is a disadvantage of a wired network?
Answer:
It limits the mobility of devices.
Devices on a wired network are tethered by a cable, which restricts where they can be used.
4145
What should you do if you receive a suspicious email?
Answer:
Delete the email without clicking on any links or opening any attachments
The safest course of action is to delete the email and report it as phishing if your email provider offers that option.
4146
What is the purpose of the "developer tools" built into most modern browsers?
Answer:
To help web developers inspect and debug websites
Developer tools provide a range of features for inspecting the HTML, CSS, and JavaScript of a webpage.
4147
What is a "hard refresh" in a web browser?
Answer:
A way to reload a web page and force the browser to re-download all the files, including those that are stored in the cache
A hard refresh can be useful for fixing problems with websites that are not loading correctly.
4148
How many collision domains does a 12-port switch create?
Answer:
12
Each port on a switch is its own collision domain, so a 12-port switch creates 12 collision domains.
4149
The term "Internet of Things" (IoT) was coined by:
Answer:
Kevin Ashton
The term "Internet of Things" was coined by Kevin Ashton in 1999.
4150
Which browser is the successor to the original Netscape Navigator?
Answer:
SeaMonkey
The SeaMonkey project is a community-driven effort to continue the development of the Netscape Communicator internet suite.