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
4181
The first version of Internet Explorer was released in:
Answer:
1995
Microsoft released the first version of Internet Explorer in 1995 as part of the Plus\! pack for Windows 95.
4182
How is a computer virus most commonly transmitted to your hard disk?
Answer:
By opening emails
Opening infected email attachments is a common way viruses spread to computers.
4183
What technique is used to track a user's repeat visits to a website?
Answer:
Cookies
Cookies are small pieces of data stored on a user's computer by their web browser while browsing a website. They are designed to be a reliable mechanism for websites to remember stateful information or to record the user's browsing activity, including tracking repeat visits.
4184
What type of cable is typically used to connect devices to a switch, hub, or router?
Answer:
Ethernet cable
Ethernet cables (such as Cat5e or Cat6) are the standard for wired LAN connections.
4185
In the URL [http://www.prenhall.com](http://www.prenhall.com/), the term "http" represents the:
Answer:
Protocol
HTTP (HyperText Transfer Protocol) specifies how data is transferred across the web.
4186
In the client-server model, the server provides a:
Answer:
Centralized service
The services and resources are managed and provided from a central location.
4187
When should you use a hard refresh?
Answer:
All of the above
A hard refresh can be a useful troubleshooting step in a variety of situations.
4188
In the URL "[https://www.example.com/page](https://www.google.com/search?q=https://www.example.com/page)", what is "https://"?
Answer:
The protocol
The protocol specifies how data is to be exchanged between the browser and the web server. "https" stands for Hypertext Transfer Protocol Secure.
4189
A web \_\_ consists of one or more web pages on a web server.
Answer:
Site
A website is a collection of related web pages, including multimedia content, typically identified with a common domain name.
4190
What is the "deep web"?
Answer:
The part of the World Wide Web that is not indexed by search engines
The deep web includes content such as online banking portals, webmail, and private databases.