Notes on the Information Age and its Implications
- Our society is characterized by technological advancements that facilitate rapid information transfer.
- Definition of Information (Webster's Encyclopedic Unabridged Dictionary):
- "Knowledge communicated or obtained concerning a specific fact or circumstance."
- Information is crucial for survival.
- Also referred to as the Digital Age or New Media Age.
- Notable Features:
- Began in the last quarter of the 20th century.
- Information became easily accessible through publications and computer management.
- Significant development of computers and networks.
- Overview:
- Interconnectivity of computers via telecommunications.
- Real-time and on-demand information systems.
- Primary drivers are convenience and user-friendliness, fostering user dependency.
- 3000 BC: Sumerian writing system
- 2900 BC: Egyptian hieroglyphics
- 500 BC: Use of papyrus rolls for record keeping
- 1455: Printing press invented by Johannes Gutenberg, revolutionized the dissemination of information.
- 1802: Establishment of The Library of Congress to preserve and distribute knowledge.
- 1946: ENIAC, the first electronic general-purpose computer, was built, marking the beginning of computer usage in information processing.
Evolution of Communication Technologies
- 1948: Claude E. Shannon proposed the field of information theory.
- 1960s: Development of LC MARC (machine-readable cataloging) by the Library of Congress.
- 1980s: Introduction of personal computers revolutionized personal and professional communication.
- Rise of Artificial Intelligence separate from information science.
- 1990s: Emergence of Information Anxiety coined by Richard Wurman due to information overload in businesses.
- Key insights:
- Competition among information sources.
- Newer information often perceived as truer.
- The selection of information reflects personal viewpoints.
- Media content is influenced by cultural consumption.
- Timeliness gives a competitive edge in information dissemination.
- Audience engagement with information forms their identities.
Components of Modern Computing
- Computers facilitate storage and processing of information:
- Personal Computers (PCs)
- Laptops
- Servers
- Mainframes
- Wearable Computers
The World Wide Web and Internet
- Internet definition: A global system of interconnected networks for data transmission.
- Major development in the 1970s under the Department of Defense; transitioned under civilian control by 1984.
- Problems faced included limited transmission speed; addressed through fiber-optic cables and faster processors.
Emergence of Google
- Sergey Brin and Larry Page built a search engine based on page popularity, now processing over 200 million queries daily as the dominant search engine.
- Rise of cyberbullying and other online crimes due to social media proliferation.
- Importance of awareness regarding the misuse of technological advancements.
Applications of Computers in Science and Research
- Bioinformatics:
- Applies IT for storing and analyzing biological data, crucial for genomic research.
- Software tools like BLAST and GeneFinder facilitate understanding genetic sequences and protein functions.
- Pharmacogenomics:
- Drug discovery enhanced through insights gained from genome sequencing.
- Plant Biotechnology:
- Utilized for discovering disease resistance and enhancing nutrition in crops.
Assessing Web Reliability:
- Author credibility
- Publisher background
- Purpose of the site and content
- Target audience
- Quality of information provided