Chap1a
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This document provides an overview of information technology and its impact on society. It discusses how IT influences work, home, and leisure activities and will continue to integrate further into all aspects of life. It emphasizes the importance of becoming competent in IT and describes the basics of computer hardware, software, systems, and common applications of enterprise and personal computing.
Chap1a
- 1. Computers: Information Technology in Perspective, 11e Chapter 1 The Technology Revolution Copyright Prentice Hall, Inc.
- 2. Objectives Once you have read and studied this chapter, you will have learned: How information technology influences our society and you at work, at home, and at play. What it means to achieve IT competency and become an active participant in our information society. How local and worldwide computer networks impact businesses and society. Essential hardware, software, and computer system terminology that will enable you to begin your information technology learning adventure with confidence. The relative size, scope, uses, and variety of available computer systems. The fundamental components and capabilities of an IT system. A variety of enterprise computing and personal computing applications. Copyright Prentice Hall, Inc.
- 3. Why this chapter is important to you! Computers and technology are a part of everything we do Computers and new technologies will continue to play an even greater role in the future Computers help make work tasks easier The more you know about computers the more money you are capable of earning Copyright Prentice Hall, Inc.
- 4. Our Information Society Ask yourself what it will be like in the year 2020 Most adults are considered knowledge workers IT changes how we work, learn, and communicate Knowing computers will help you cope with IT Copyright Prentice Hall, Inc.
- 5. The Technology Revolution: Today At Work The mobile worker Productivity Communication Access At Home Communication Personal correspondence Homework Connection At Play Leisure activities Communication Gaming Connection Copyright Prentice Hall, Inc.
- 6. The Technology Revolution: Tomorrow Search for a home around the country Obtain a doctor’s consultation via telemedicine Information superhighway will connect every facet of our society Copyright Prentice Hall, Inc.
- 7. Looking Back a Few Years Copyright Prentice Hall, Inc. 1950 1960s mid- 1970s 2001 ENAIC & UNIVAC I PCs introduced! Very expensive computers for large companies. Computer professionals ran the show. Powerful PCs on every desktop. Explosion of applications. 2003 Home computers & networks
- 8. Rx for Cyberphobia: Information Technology Competency Feeling comfortable Making the computer work for you Interacting with the computer Comfortable in cyberspace Understanding the impact of computers on society Making intelligent decisions Knowing the lingo Copyright Prentice Hall, Inc.
- 9. Reasons to Become IT-Competent Personal Travel arrangements Sports scores Managing finances Workplace Strategic planning Competitive advantage Obtaining work Day-to-day processes Productivity Educational Any-time-any place learning Individual learning Societal Ethical issues Harmful risks Curiosity Natural curiosity for IT power Copyright Prentice Hall, Inc.
- 10. The Computer Proficiency Digital Divide 120 million people are considered knowledge workers 100 million are not considered IT competent Most think they are IT competent Questions to ask: Can you list five critical IT issues? Which port is faster, USB or 1394? When should you use your defragmenter? What type of wiring do you need for a home network? The list goes on and on… Copyright Prentice Hall, Inc.
- 11. The NET Connection: Our Global Village Over 80% of classrooms and libraries in the US are linked to the Internet Most computers in the workplace are part of a network Worldwide networks coordinate services and consumer goods Global economy is changing Copyright Prentice Hall, Inc.
- 12. The Net Connection: The Internet The Internet connects millions of computers in every country all over the world All colleges and most businesses have access to the Internet Most subscribe to an ISP to gain Internet access Others subscribe to an information service, such as AOL A modem permits access via phone and/or cable Individuals can access Web sites, music, products and lots more Copyright Prentice Hall, Inc.
- 13. The Basics: Hardware A computer system: Input Keyboard/Mouse Processor Chip Output Monitor/Printer Storage Permanent (Hard Disk) Temporary (RAM) A processor is the heart of the computer Copyright Prentice Hall, Inc.
- 14. The Basics: Software Software tells the computer what to do System software takes control of the computer upon start up Windows DOS Application software performs specific task Word Excel Copyright Prentice Hall, Inc.
- 15. The Basics: Computer Systems Low end $500 desktop High end very expensive supercomputer High/low end all have same four system components: Input Processing Output Storage Copyright Prentice Hall, Inc.
- 16. Personal Computers 1981: IBM PC Many manufacturers followed with 100% IBM PC compatibles Other PCs: Apple Power Mac Powerbook iMac iPod iPhone Copyright Prentice Hall, Inc.
- 17. Notebook PCs Early notebook PCs did not have the power of a desktop PC Now notebooks offer the same level of performance Notebook PCs: Light Compact Portable A docking station is used to configure the notebook to act like a larger desktop Ports allow devices to be connected, such as a printer Copyright Prentice Hall, Inc.
- 18. Desktop PCs Typical Desktop PC: Motherboard Keyboard Point and draw device Monitor Printer Hard disk Floppy CD-ROM or DVD-ROM Microphone Speakers Copyright Prentice Hall, Inc.
- 19. Wearable PCs Cable connected modules that fit into headsets, drape on shoulders, hang around the neck, or more TLC PC for paramedics is a good example As time goes on vendors will be concerned with fashion, as well as function The Body Net is a great example Copyright Prentice Hall, Inc.
- 20. Handhelds Specifically designed to be held in the hand Example: Palmtop PDA Organizer Some have wireless capability Use an electronic pen to work with most Copyright Prentice Hall, Inc.
- 21. Computer System Capabilities Processing Data and Producing Information Information used to be only collected, sorted, summarized, exchanged and processed Now information communicates, makes money available via ATMs, teaches, and lots more Copyright Prentice Hall, Inc.
- 22. Computers in Action: A Payroll System Most organizations use a payroll system The system enables input and processes the checks The system also processes reports and stores information Copyright Prentice Hall, Inc.
- 23. The Computer’s Strengths Speed Accuracy Consistency Reliability Communications Memory capability Human vs. computer capabilities Copyright Prentice Hall, Inc.
- 24. How Do We Use Computers? Enterprise Computing Information systems Process/device control Science, research, & engineering Personal Computing Games Education Work Copyright Prentice Hall, Inc.
- 25. Computer Decisions Purchasing decisions Software decisions Word processing Presentation Spreadsheet Database And more… Copyright Prentice Hall, Inc.
- 26. Summary Our Information Society IT competency Getting connected Knowing the hardware basics Personal computers to supercomputers Computer system capabilities Using computers Copyright Prentice Hall, Inc.