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
1
What is the full form of the markup language acronym XML?
Answer:
Xtensible Markup Language
XML stands for Extensible Markup Language. It is a flexible, text-based format used for storing and transporting data.
2
Which of the following are recognized models or types of e-commerce?
Answer:
All of above
E-commerce encompasses various business models based on the participants involved.
3
What does the acronym VoIP represent in telecommunications?
Answer:
Voice over IP
Voice over Internet Protocol (VoIP) is a technology that allows users to make voice calls using a broadband internet connection instead of a traditional analog phone line.
4
What is the primary function of E-commerce for modern businesses?
Answer:
conduct business over the Internet
E-commerce, or electronic commerce, refers to the buying and selling of goods or services using the internet, and the transfer of money and data to execute these transactions.
5
Why is the Domain Name System (DNS) considered critical for the proper operation of the Internet?
Answer:
maps symbolic names for machines onto their IP address
DNS acts as the phonebook of the Internet. It translates human-readable domain names, such as www.example.com, into the numerical IP addresses that computers use to identify each other on the network.
6
Which of the following is not considered an implicit object in JavaServer Pages (JSP)?
Answer:
In
In JSP technology, implicit objects are automatically created by the container for use in scripts. Common examples include 'out', 'request', 'response', 'session', and 'page'. 'In' is not a standard JSP implicit object.
7
What does HTTPS provide for communication over a computer network?
Answer:
Data encryption
HTTPS (Hypertext Transfer Protocol Secure) ensures secure communication by encrypting data exchanged between a web browser and a server. It uses TLS/SSL to protect data integrity and confidentiality, preventing eavesdropping and tampering.
8
Which of the following provides the most accurate definition of hypermedia?
Answer:
it links huge amounts of data in virtually any pattern
Hypermedia is an extension of hypertext that includes not only text but also other media formats such as graphics, audio, video, and interactive elements. It allows for the creation of complex, interconnected networks of information that can be navigated in various patterns.
9
How is hypertext defined in the context of information management?
Answer:
a way of organizing information nonsequentially
Hypertext is a method of organizing and presenting information that allows users to navigate through data non-linearly. By using links, users can jump between related pieces of information, providing a flexible and interconnected way to access content compared to traditional sequential text.
10
What is the origin and definition of the term 'cyberspace'?
Answer:
the term a science fiction writer gave to an alternative reality where tomorrow's networks may take us
The term 'cyberspace' was coined by science fiction author William Gibson in his 1984 novel Neuromancer. It describes a virtual, computer-generated environment or 'consensual hallucination' representing the interconnected global network of computers and digital information.