Computer Science - IT MCQs
Topic Notes: Computer Science - IT
<p>MCQs and preparation resources for competitive exams, covering important concepts, past papers, and detailed explanations.</p>
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
101
What is the term for the unique address assigned to every web page on the internet?
Answer:
URL
A URL, or Uniform Resource Locator, is the unique address used to access a specific resource on the internet. It provides the location of a web page, including the protocol used and the domain name, allowing browsers to retrieve the correct content.
102
What is the full form of the acronym HTTP in the context of web communication?
Answer:
Hypertext Transfer Protocol
HTTP stands for Hypertext Transfer Protocol. It is the foundational protocol used by the World Wide Web to define how messages are formatted and transmitted, and what actions web servers and browsers should take in response to various commands. It enables the retrieval of linked resources, such as HTML documents, which form the basis of web browsing.
103
What is the standard default port number for HTTP traffic?
Answer:
80
Hypertext Transfer Protocol (HTTP) is the foundation of data communication for the World Wide Web. By default, web servers listen for incoming HTTP requests on port 80. This allows browsers to connect to web servers without the user needing to specify the port number in the URL.
104
What is the term for the process of a user transferring software to a bulletin board system (BBS) for others to access?
Answer:
uploading
Uploading is the process of transmitting data or files from a local computer to a remote system, such as a server or a bulletin board system. This action makes the file available for other users on the network to access or download.
105
Which e-commerce model facilitates auctions where individual consumers trade items directly with other consumers?
Answer:
Consumer-to-Consumer E-Commerce
Consumer-to-Consumer (C2C) e-commerce enables individuals to sell products or services directly to other individuals through online platforms. Websites like eBay or auction sites act as intermediaries that provide the infrastructure for these peer-to-peer transactions, allowing users to list items, bid, and complete payments without the direct involvement of a traditional retail business.
106
Why is telecommuting expected to grow in popularity among both management and staff?
Answer:
It offers flexibility and potential cost savings.
Telecommuting is increasingly popular because it provides employees with greater work-life balance and flexibility, while employers benefit from reduced overhead costs related to maintaining physical office space and potentially higher employee retention rates.
107
What mechanism is utilized to identify and track a user who returns to a specific website?
Answer:
Cookies
Cookies are small text files stored on a user's device by a web browser. Websites use these files to remember user information, such as login status, preferences, or browsing history, allowing the site to recognize returning visitors and provide a personalized experience during subsequent visits.
108
Who is credited with the invention of the World Wide Web (WWW)?
Answer:
Tim Berners-Lee
Sir Tim Berners-Lee is widely recognized as the inventor of the World Wide Web. While working at CERN in 1989, he proposed a system for information management that evolved into the modern web, fundamentally changing how humanity accesses and shares digital information globally.
109
What is an online forum used for exchanging information on a specific topic called?
Answer:
Newsgroup
A newsgroup is a repository on the internet where users can post and read messages regarding specific topics. It functions as a discussion board where participants share information and engage in threaded conversations.
110
Which of the following is not considered a practical application of the internet?
Answer:
Sleeping
The internet facilitates various digital activities such as online communication, electronic banking, and e-commerce shopping. Sleeping is a biological necessity and is not an application or service provided by internet technology.