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
11
What is the full form of the acronym 'WWW' in the context of the internet?
Answer:
World Wide Web
WWW stands for World Wide Web. It is an information system where documents and other web resources are identified by URLs and are accessible via the internet using a web browser.
12
Which protocol is considered the fundamental backbone of the World Wide Web?
Answer:
Hypertext transfer protocol (HTTP)
The Hypertext Transfer Protocol (HTTP) is the foundation of data communication for the World Wide Web. It defines how messages are formatted and transmitted, and what actions web servers and browsers should take in response to various commands.
13
Which language is primarily interpreted by web browsers to render and display content from the World Wide Web?
Answer:
HTML
Hypertext Markup Language (HTML) is the standard markup language used to structure content on the web. Browsers read HTML documents and interpret the tags to render text, images, and links into a visual format.
14
What is the full form of DNS in the context of internet technology?
Answer:
Domain Name System
The Domain Name System (DNS) is a hierarchical and decentralized naming system for computers, services, or other resources connected to the internet.
15
What is the expanded form of the acronym YAHOO?
Answer:
Yet Another Hierarchical Officious Oracle
YAHOO is famously known as an acronym for 'Yet Another Hierarchical Officious Oracle'. It was coined by the founders Jerry Yang and David Filo to describe the directory-based structure of their early web portal service.
16
Which software application is historically recognized as the first web browser?
Answer:
WorldWideWeb
The WorldWideWeb browser, later renamed Nexus to avoid confusion with the information space, was created by Tim Berners-Lee in 1990. It was the first browser to allow users to view and edit web pages, marking the beginning of the modern internet era.
17
Which professional social networking platform features an 'Answers' section that enables users to solicit professional advice from other community members?
Answer:
Linkedin
LinkedIn is a professional networking site that historically included features like LinkedIn Answers, allowing users to post questions and receive insights from their professional network, thereby facilitating knowledge sharing and career development.
18
Which browser feature allows a user to keep multiple web pages open simultaneously within a single window?
Answer:
tab row
Modern web browsers utilize a tabbed interface, often referred to as the tab row or tab bar.
19
Who were the founders of the messaging platform WhatsApp in 2009?
Answer:
Both A & B
WhatsApp was founded in 2009 by Brian Acton and Jan Koum, both of whom were former employees of Yahoo. They created the application to provide a simple, reliable, and private way to communicate.
20
What is the term for an online journal where individuals share their personal experiences and thoughts?
Answer:
Blog
A blog (short for weblog) is a discussion or informational website published on the World Wide Web consisting of discrete, often informal diary-style text entries. Posts are typically displayed in reverse chronological order.